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Shorewall 1.4.5

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<html> <html>
<head> <head>
<title>MAC Verification</title> <title>MAC Verification</title>
<meta http-equiv="content-type" <meta http-equiv="content-type"
content="text/html; charset=ISO-8859-1"> content="text/html; charset=ISO-8859-1">
<meta name="author" content="Tom Eastep"> <meta name="author" content="Tom Eastep">
</head> </head>
<body> <body>
<table border="0" cellpadding="0" cellspacing="0" <table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber4" style="border-collapse: collapse;" width="100%" id="AutoNumber4"
bgcolor="#400169" height="90"> bgcolor="#400169" height="90">
<tbody> <tbody>
<tr> <tr>
<td width="100%"> <td width="100%">
<h1 align="center"><font color="#ffffff">MAC Verification</font><br> <h1 align="center"><font color="#ffffff">MAC Verification</font><br>
</h1> </h1>
<br> <br>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<br> <br>
All traffic from an interface or from a subnet on an interface All traffic from an interface or from a subnet on an interface
can be verified to originate from a defined set of MAC addresses. Furthermore, can be verified to originate from a defined set of MAC addresses. Furthermore,
each MAC address may be optionally associated with one or more IP addresses. each MAC address may be optionally associated with one or more IP addresses.
<br> <br>
<br> <br>
<b>Your kernel must include MAC match support (CONFIG_IP_NF_MATCH_MAC <b>Your kernel must include MAC match support (CONFIG_IP_NF_MATCH_MAC
- module name ipt_mac.o).</b><br> - module name ipt_mac.o).</b><br>
<br> <br>
There are four components to this facility.<br> There are four components to this facility.<br>
<ol> <ol>
<li>The <b>maclist</b> interface option in <a <li>The <b>maclist</b> interface option in <a
href="Documentation.htm#Interfaces">/etc/shorewall/interfaces</a>. When href="Documentation.htm#Interfaces">/etc/shorewall/interfaces</a>. When
this option is specified, all traffic arriving on the interface is subjet this option is specified, all traffic arriving on the interface is subjet
to MAC verification.</li> to MAC verification.</li>
<li>The <b>maclist </b>option in <a <li>The <b>maclist </b>option in <a
href="Documentation.htm#Hosts">/etc/shorewall/hosts</a>. When this option href="Documentation.htm#Hosts">/etc/shorewall/hosts</a>. When this option
is specified for a subnet, all traffic from that subnet is subject to MAC is specified for a subnet, all traffic from that subnet is subject to
verification.</li> MAC verification.</li>
<li>The /etc/shorewall/maclist file. This file is used to associate <li>The /etc/shorewall/maclist file. This file is used to associate
MAC addresses with interfaces and to optionally associate IP addresses MAC addresses with interfaces and to optionally associate IP addresses
with MAC addresses.</li> with MAC addresses.</li>
<li>The <b>MACLIST_DISPOSITION </b>and <b>MACLIST_LOG_LEVEL </b>variables <li>The <b>MACLIST_DISPOSITION </b>and <b>MACLIST_LOG_LEVEL </b>variables
in <a href="Documentation.htm#Conf">/etc/shorewall/shorewall.conf.</a> in <a href="Documentation.htm#Conf">/etc/shorewall/shorewall.conf.</a>
The MACLIST_DISPOSITION variable has the value DROP, REJECT or ACCEPT The MACLIST_DISPOSITION variable has the value DROP, REJECT or ACCEPT
and determines the disposition of connection requests that fail MAC verification. and determines the disposition of connection requests that fail MAC verification.
The MACLIST_LOG_LEVEL variable gives the syslogd level at which connection The MACLIST_LOG_LEVEL variable gives the syslogd level at which connection
requests that fail verification are to be logged. If set the the empty requests that fail verification are to be logged. If set the the empty
value (e.g., MACLIST_LOG_LEVEL="") then failing connection requests are value (e.g., MACLIST_LOG_LEVEL="") then failing connection requests are
not logged.<br> not logged.<br>
</li> </li>
</ol> </ol>
The columns in /etc/shorewall/maclist are:<br> The columns in /etc/shorewall/maclist are:<br>
<ul> <ul>
<li>INTERFACE - The name of an ethernet interface on the Shorewall <li>INTERFACE - The name of an ethernet interface on the Shorewall
system.</li> system.</li>
<li>MAC - The MAC address of a device on the ethernet segment connected <li>MAC - The MAC address of a device on the ethernet segment
by INTERFACE. It is not necessary to use the Shorewall MAC format in connected by INTERFACE. It is not necessary to use the Shorewall MAC format
this column although you may use that format if you so choose.</li> in this column although you may use that format if you so choose.</li>
<li>IP Address - An optional comma-separated list of IP addresses <li>IP Address - An optional comma-separated list of IP addresses
for the device whose MAC is listed in the MAC column.</li> for the device whose MAC is listed in the MAC column.</li>
</ul> </ul>
<h3>Example 1: Here are my files:</h3> <h3>Example 1: Here are my files:</h3>
<b>/etc/shorewall/shorewall.conf:<br> <b>/etc/shorewall/shorewall.conf:<br>
</b> </b>
<pre> MACLIST_DISPOSITION=REJECT<br> MACLIST_LOG_LEVEL=info<br></pre> <pre> MACLIST_DISPOSITION=REJECT<br> MACLIST_LOG_LEVEL=info<br></pre>
<b>/etc/shorewall/interfaces:</b><br> <b>/etc/shorewall/interfaces:</b><br>
<pre> #ZONE INTERFACE BROADCAST OPTIONS<br> net eth0 206.124.146.255 norfc1918,dhcp,blacklist<br> loc eth2 192.168.1.255 dhcp,maclist<br> dmz eth1 192.168.2.255<br> net eth3 206.124.146.255 blacklist<br> - texas 192.168.9.255<br> loc ppp+<br></pre> <blockquote>
<b>/etc/shorewall/maclist:</b><br> <pre>#ZONE INTERFACE BROADCAST OPTIONS<br>net eth0 206.124.146.255 dhcp,norfc1918,routefilter,blacklist,tcpflags<br>loc eth2 192.168.1.255 dhcp<br>dmz eth1 192.168.2.255<br>wap eth3 192.168.3.255 dhcp,maclist<br>- texas 192.168.9.255</pre>
</blockquote>
<pre> #INTERFACE MAC IP ADDRESSES (Optional)<br> eth2 00:A0:CC:63:66:89 192.168.1.3 #Wookie<br> eth2 00:10:B5:EC:FD:0B 192.168.1.4 #Tarry<br> eth2 00:A0:CC:DB:31:C4 192.168.1.5 #Ursa<br> eth2 00:A0:CC:DB:31:C4 192.168.1.128/26 #PPTP Clients to server on Ursa<br> eth2 00:06:25:aa:a8:0f 192.168.1.7 #Eastept1 (Wireless)<br> eth2 00:04:5A:0E:85:B9 192.168.1.250 #Wap<br></pre> <b>/etc/shorewall/maclist:</b><br>
As shown above, I use MAC Verification on my local zone.<br>
<blockquote>
<pre>#INTERFACE MAC IP ADDRESSES (Optional)<br>eth3 00:A0:CC:A2:0C:A0 192.168.3.7 #Work Laptop<br>eth3 00:04:5a:fe:85:b9 192.168.3.250 #WAP11<br>eth3 00:06:25:56:33:3c #WET11<br>eth3 00:0b:cd:C4:cc:97 192.168.3.8 #TIPPER</pre>
</blockquote>
As shown above, I use MAC Verification on my wireless zone.<br>
<br>
<b>Note: </b>The WET11 is a somewhat curious device; when forwarding DHCP
traffic, it uses the MAC address of the host (TIPPER) but for other forwarded
traffic it uses it's own MAC address. Consequently, I don't assign the WET11
a fixed IP address in /etc/shorewall/maclist.<br>
<h3>Example 2: Router in Local Zone</h3> <h3>Example 2: Router in Local Zone</h3>
Suppose now that I add a second ethernet segment to my local zone Suppose now that I add a second wireless segment to my wireless
and gateway that segment via a router with MAC address 00:06:43:45:C6:15 zone and gateway that segment via a router with MAC address 00:06:43:45:C6:15
and IP address 192.168.1.253. Hosts in the second segment have IP addresses and IP address 192.168.3.253. Hosts in the second segment have IP addresses
in the subnet 192.168.2.0/24. I would add the following entry to my /etc/shorewall/maclist in the subnet 192.168.4.0/24. I would add the following entry to my /etc/shorewall/maclist
file:<br> file:<br>
<pre> eth2 00:06:43:45:C6:15 192.168.1.253,192.168.2.0/24<br></pre> <pre> eth3 00:06:43:45:C6:15 192.168.3.253,192.168.4.0/24<br></pre>
This entry accomodates traffic from the router itself (192.168.1.253) This entry accomodates traffic from the router itself (192.168.3.253)
and from the second LAN segment (192.168.2.0/24). Remember that all traffic and from the second wireless segment (192.168.4.0/24). Remember that
being sent to my firewall from the 192.168.2.0/24 segment will be forwarded all traffic being sent to my firewall from the 192.168.4.0/24 segment
by the router so that traffic's MAC address will be that of the router will be forwarded by the router so that traffic's MAC address will be
(00:06:43:45:C6:15) and not that of the host sending the traffic. that of the router (00:06:43:45:C6:15) and not that of the host sending
the traffic.
<p><font size="2"> Updated 2/21/2002 - <a href="support.htm">Tom Eastep</a> <p><font size="2"> Updated 6/10/2002 - <a href="support.htm">Tom Eastep</a>
</font></p> </font></p>
<p><a href="copyright.htm"><font size="2">Copyright</font> &copy; <p><a href="copyright.htm"><font size="2">Copyright</font> &copy;
<font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br> <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p> </p>
<br>
<br>
<br> <br>
<br> <br>
</body> </body>

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<html> <html>
<head> <head>
<title>Shorewall Squid Usage</title> <title>Shorewall Squid Usage</title>
<meta http-equiv="content-type" <meta http-equiv="content-type"
content="text/html; charset=ISO-8859-1"> content="text/html; charset=ISO-8859-1">
<meta name="author" content="Tom Eastep"> <meta name="author" content="Tom Eastep">
</head> </head>
<body> <body>
<table cellpadding="0" cellspacing="0" border="0" width="100%" <table cellpadding="0" cellspacing="0" border="0" width="100%"
bgcolor="#400169"> bgcolor="#400169">
<tbody>
<tr>
<td valign="middle" width="33%" bgcolor="#400169"><a
href="http://www.squid-cache.org/"><img src="images/squidnow.gif"
alt="" width="88" height="31" hspace="4">
</a><br>
</td>
<td valign="middle" height="90" align="center" width="34%"><font
color="#ffffff"><b><big><big><big><big>Using Shorewall with Squid</big></big></big></big></b></font><br>
</td>
<td valign="middle" height="90" width="33%" align="right"><a
href="http://www.squid-cache.org/"><img src="images/cache_now.gif"
alt="" width="100" height="31" hspace="4">
</a><br>
</td>
</tr>
</tbody>
</table>
<br>
This page covers Shorewall configuration to use with <a
href="http://www.squid-cache.org/">Squid </a>running as a <u><b>Transparent
Proxy</b></u>. If you are running Shorewall 1.3, please see <a
href="1.3/Shorewall_Squid_Usage.html">this documentation</a>.<br>
<a href="#DMZ"></a><br>
<img border="0" src="images/j0213519.gif" width="60"
height="60" alt="Caution" align="middle">
&nbsp;&nbsp;&nbsp; Please observe the following general requirements:<br>
<br>
<b><img src="images/BD21298_3.gif" alt="" width="13" height="13">
&nbsp;&nbsp;&nbsp; </b>In all cases, Squid should be configured to
run as a transparent proxy as described at <a
href="http://www.tldp.org/HOWTO/mini/TransparentProxy-4.html">http://www.tldp.org/HOWTO/mini/TransparentProxy-4.html</a>.<br>
<b><br>
</b><b><img src="images/BD21298_3.gif" alt="" width="13"
height="13">
&nbsp;&nbsp;&nbsp; </b>The following instructions mention the files
/etc/shorewall/start and /etc/shorewall/init -- if you don't have those
files, siimply create them.<br>
<br>
<b><img src="images/BD21298_3.gif" alt="" width="13" height="13">
</b>&nbsp;&nbsp;&nbsp; When the Squid server is in the DMZ zone
or in the local zone, that zone must be defined ONLY by its interface
-- no /etc/shorewall/hosts file entries. That is because the packets being
routed to the Squid server still have their original destination IP addresses.<br>
<br>
<b><img src="images/BD21298_3.gif" alt="" width="13" height="13">
</b>&nbsp;&nbsp;&nbsp; You must have iptables installed on your
Squid server.<br>
<br>
<b><img src="images/BD21298_3.gif" alt="" width="13" height="13">
</b>&nbsp;&nbsp;&nbsp; You must have NAT and MANGLE enabled in your
/etc/shorewall/conf file<br>
<br>
&nbsp;&nbsp;&nbsp; <b><font color="#009900">&nbsp;&nbsp;&nbsp; NAT_ENABLED=Yes<br>
</font></b>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <font
color="#009900"><b>MANGLE_ENABLED=Yes</b></font><br>
<br>
Three different configurations are covered:<br>
<ol>
<li><a href="Shorewall_Squid_Usage.html#Firewall">Squid running
on the Firewall.</a></li>
<li><a href="Shorewall_Squid_Usage.html#Local">Squid running in
the local network</a></li>
<li><a href="Shorewall_Squid_Usage.html#DMZ">Squid running in the
DMZ</a></li>
</ol>
<h2><a name="Firewall"></a>Squid Running on the Firewall</h2>
You want to redirect all local www connection requests EXCEPT
those to your own
http server (206.124.146.177)
to a Squid
transparent proxy running on the firewall and listening on port
3128. Squid will of course require access to remote web servers.<br>
<br>
In /etc/shorewall/rules:<br>
<br>
<blockquote>
<table border="1" cellpadding="2" style="border-collapse: collapse;">
<tbody>
<tr>
<td><b>ACTION</b></td>
<td><b>SOURCE</b></td>
<td><b>DEST</b></td>
<td><b> PROTO</b></td>
<td><b>DEST<br>
PORT(S)</b></td>
<td><b>SOURCE<br>
PORT(S)</b></td>
<td><b>ORIGINAL<br>
DEST</b></td>
</tr>
<tr>
<td>REDIRECT</td>
<td>loc</td>
<td>3128</td>
<td>tcp</td>
<td>www</td>
<td> -<br>
</td>
<td>!206.124.146.177</td>
</tr>
<tr>
<td>ACCEPT</td>
<td>fw</td>
<td>net</td>
<td>tcp</td>
<td>www</td>
<td> <br>
</td>
<td> <br>
</td>
</tr>
</tbody>
</table>
<br>
</blockquote>
<h2><a name="Local"></a>Squid Running in the local network</h2>
You want to redirect all local www connection requests to a Squid
transparent proxy
running in your local zone at 192.168.1.3 and listening on port 3128.
Your local interface is eth1. There may also be a web server running
on 192.168.1.3. It is assumed that web access is already enabled from the
local zone to the internet.<br>
<p><font color="#ff0000"><b>WARNING: </b></font>This setup may conflict with
other aspects of your gateway including but not limited to traffic shaping
and route redirection. For that reason, <b>I don't recommend it</b>.<br>
</p>
<ul>
<li>On your firewall system, issue the following command<br>
</li>
</ul>
<blockquote>
<pre><b><font color="#009900">echo 202 www.out &gt;&gt; /etc/iproute2/rt_tables</font></b><br></pre>
</blockquote>
<ul>
<li>In /etc/shorewall/init, put:<br>
</li>
</ul>
<blockquote>
<pre><b><font color="#009900">if [ -z "`ip rule list | grep www.out`" ] ; then<br> ip rule add fwmark 202 table www.out<br> ip route add default via 192.168.1.3 dev eth1 table www.out<br> ip route flush cache<br> echo 0 &gt; /proc/sys/net/ipv4/conf/eth1/send_redirects<br>fi<br></font></b></pre>
</blockquote>
<ul>
<li>If you are running Shorewall 1.4.1 or Shorewall 1.4.1a, please
upgrade to Shorewall 1.4.2 or later.<br>
<br>
</li>
<li>If you are running Shorewall 1.4.2 or later, then in /etc/shorewall/interfaces:<br>
<br>
<table cellpadding="2" cellspacing="0" border="1">
<tbody> <tbody>
<tr> <tr>
<td valign="top">ZONE<br> <td valign="middle" width="33%" bgcolor="#400169"><a
href="http://www.squid-cache.org/"><img src="images/squidnow.gif"
alt="" width="88" height="31" hspace="4">
</a><br>
</td> </td>
<td valign="top">INTERFACE<br> <td valign="middle" height="90" align="center" width="34%"><font
color="#ffffff"><b><big><big><big><big>Using Shorewall with Squid</big></big></big></big></b></font><br>
</td> </td>
<td valign="top">BROADCAST<br> <td valign="middle" height="90" width="33%" align="right"><a
</td> href="http://www.squid-cache.org/"><img src="images/cache_now.gif"
<td valign="top">OPTIONS<br> alt="" width="100" height="31" hspace="4">
</a><br>
</td> </td>
</tr> </tr>
<tr>
<td valign="top">loc<br> </tbody>
</td> </table>
<td valign="top">eth1<br> <br>
</td> This page covers Shorewall configuration to use with <a
<td valign="top">detect<br> href="http://www.squid-cache.org/">Squid </a>running as a <u><b>Transparent
</td> Proxy</b></u>. If you are running Shorewall 1.3, please see <a
<td valign="top"><b>routeback</b><br> href="1.3/Shorewall_Squid_Usage.html">this documentation</a>.<br>
</td> <a href="#DMZ"></a><br>
</tr> <img border="0" src="images/j0213519.gif" width="60"
height="60" alt="Caution" align="middle">
</tbody> &nbsp;&nbsp;&nbsp; Please observe the following general requirements:<br>
</table> <br>
<br> <b><img src="images/BD21298_3.gif" alt="" width="13"
</li> height="13">
<li>In /etc/shorewall/rules:<br> &nbsp;&nbsp;&nbsp; </b>In all cases, Squid should be configured
<br> to run as a transparent proxy as described at <a
href="http://www.tldp.org/HOWTO/mini/TransparentProxy-4.html">http://www.tldp.org/HOWTO/mini/TransparentProxy-4.html</a>.<br>
<table border="1" cellpadding="2" style="border-collapse: collapse;"> <b><br>
<tbody> </b><b><img src="images/BD21298_3.gif" alt="" width="13"
<tr> height="13">
<td><b>ACTION</b></td> &nbsp;&nbsp;&nbsp; </b>The following instructions mention the files
<td><b>SOURCE</b></td> /etc/shorewall/start and /etc/shorewall/init -- if you don't have those
<td><b>DEST</b></td> files, siimply create them.<br>
<td><b> PROTO</b></td> <br>
<td><b>DEST<br> <b><img src="images/BD21298_3.gif" alt="" width="13"
PORT(S)</b></td> height="13">
<td><b>SOURCE<br> </b>&nbsp;&nbsp;&nbsp; When the Squid server is in the DMZ zone
PORT(S)</b></td> or in the local zone, that zone must be defined ONLY by its interface --
<td><b>ORIGINAL<br> no /etc/shorewall/hosts file entries. That is because the packets being
DEST</b></td> routed to the Squid server still have their original destination IP addresses.<br>
</tr> <br>
<tr> <b><img src="images/BD21298_3.gif" alt="" width="13"
<td>ACCEPT<br> height="13">
</td> </b>&nbsp;&nbsp;&nbsp; You must have iptables installed on your
<td>loc</td> Squid server.<br>
<td>loc<br> <br>
</td> <b><img src="images/BD21298_3.gif" alt="" width="13"
<td>tcp</td> height="13">
<td>www</td> </b>&nbsp;&nbsp;&nbsp; You must have NAT and MANGLE enabled in
<td> <br> your /etc/shorewall/conf file<br>
</td> <br>
<td><br> &nbsp;&nbsp;&nbsp; <b><font color="#009900">&nbsp;&nbsp;&nbsp; NAT_ENABLED=Yes<br>
</td> </font></b>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <font
</tr> color="#009900"><b>MANGLE_ENABLED=Yes</b></font><br>
<br>
Three different configurations are covered:<br>
<ol>
<li><a href="Shorewall_Squid_Usage.html#Firewall">Squid running
on the Firewall.</a></li>
<li><a href="Shorewall_Squid_Usage.html#Local">Squid running in
the local network</a></li>
<li><a href="Shorewall_Squid_Usage.html#DMZ">Squid running in
the DMZ</a></li>
</ol>
<h2><a name="Firewall"></a>Squid Running on the Firewall</h2>
You want to redirect all local www connection requests EXCEPT
those to your own
http server (206.124.146.177)
to a Squid transparent
proxy running on the firewall and listening on port 3128. Squid
will of course require access to remote web servers.<br>
<br>
In /etc/shorewall/rules:<br>
<br>
<blockquote>
<table border="1" cellpadding="2" style="border-collapse: collapse;">
<tbody>
<tr>
<td><b>ACTION</b></td>
<td><b>SOURCE</b></td>
<td><b>DEST</b></td>
<td><b> PROTO</b></td>
<td><b>DEST<br>
PORT(S)</b></td>
<td><b>SOURCE<br>
PORT(S)</b></td>
<td><b>ORIGINAL<br>
DEST</b></td>
</tr>
<tr>
<td>REDIRECT</td>
<td>loc</td>
<td>3128</td>
<td>tcp</td>
<td>www</td>
<td> -<br>
</td>
<td>!206.124.146.177</td>
</tr>
<tr>
<td>ACCEPT</td>
<td>fw</td>
<td>net</td>
<td>tcp</td>
<td>www</td>
<td> <br>
</td>
<td> <br>
</td>
</tr>
</tbody>
</table>
<br>
</blockquote>
There may be a requirement to exclude additional destination hosts
or networks from being redirected. For example, you might also want requests
destined for 130.252.100.0/24 to not be routed to Squid. In that case, you
must add a manual rule in /etc/shorewall/start:<br>
<blockquote>
<pre>run_iptables -t nat -I loc_dnat -p tcp --dport www -d 130.252.100.0/24 -j RETURN<br></pre>
</blockquote>
&nbsp;To exclude additional hosts or networks, just add additional similar
rules.<br>
<h2><a name="Local"></a>Squid Running in the local network</h2>
You want to redirect all local www connection requests to a
Squid transparent
proxy running in your local zone at 192.168.1.3 and listening on port
3128. Your local interface is eth1. There may also be a web server running
on 192.168.1.3. It is assumed that web access is already enabled from the
local zone to the internet.<br>
<p><font color="#ff0000"><b>WARNING: </b></font>This setup may conflict with
other aspects of your gateway including but not limited to traffic shaping
and route redirection. For that reason, <b>I don't recommend it</b>.<br>
</p>
<ul>
<li>On your firewall system, issue the following command<br>
</li>
</ul>
<blockquote>
<pre><b><font color="#009900">echo 202 www.out &gt;&gt; /etc/iproute2/rt_tables</font></b><br></pre>
</blockquote>
<ul>
<li>In /etc/shorewall/init, put:<br>
</li>
</ul>
<blockquote>
<pre><b><font color="#009900">if [ -z "`ip rule list | grep www.out`" ] ; then<br> ip rule add fwmark 202 table www.out<br> ip route add default via 192.168.1.3 dev eth1 table www.out<br> ip route flush cache<br> echo 0 &gt; /proc/sys/net/ipv4/conf/eth1/send_redirects<br>fi<br></font></b></pre>
</blockquote>
<ul>
<li>If you are running Shorewall 1.4.1 or Shorewall 1.4.1a,
please upgrade to Shorewall 1.4.2 or later.<br>
<br>
</li>
<li>If you are running Shorewall 1.4.2 or later, then in /etc/shorewall/interfaces:<br>
<br>
<table cellpadding="2" cellspacing="0" border="1">
<tbody>
<tr>
<td valign="top">ZONE<br>
</td>
<td valign="top">INTERFACE<br>
</td>
<td valign="top">BROADCAST<br>
</td>
<td valign="top">OPTIONS<br>
</td>
</tr>
<tr>
<td valign="top">loc<br>
</td>
<td valign="top">eth1<br>
</td>
<td valign="top">detect<br>
</td>
<td valign="top"><b>routeback</b><br>
</td>
</tr>
</tbody>
</table>
<br>
</li>
<li>In /etc/shorewall/rules:<br>
<br>
<table border="1" cellpadding="2" style="border-collapse: collapse;">
<tbody>
<tr>
<td><b>ACTION</b></td>
<td><b>SOURCE</b></td>
<td><b>DEST</b></td>
<td><b> PROTO</b></td>
<td><b>DEST<br>
PORT(S)</b></td>
<td><b>SOURCE<br>
PORT(S)</b></td>
<td><b>ORIGINAL<br>
DEST</b></td>
</tr>
<tr>
<td>ACCEPT<br>
</td>
<td>loc</td>
<td>loc<br>
</td>
<td>tcp</td>
<td>www</td>
<td> <br>
</td>
<td><br>
</td>
</tr>
</tbody>
</table>
</li>
<br>
<li>Alternativfely, if you are running Shorewall 1.4.0 you can have the
following policy in place of the above rule:<br>
<table cellpadding="2" cellspacing="0" border="1">
<tbody>
<tr>
<td valign="top"><b>SOURCE<br>
</b></td>
<td valign="top"><b>DESTINATION<br>
</b></td>
<td valign="top"><b>POLICY<br>
</b></td>
<td valign="top"><b>LOG LEVEL<br>
</b></td>
<td valign="top"><b>BURST PARAMETERS<br>
</b></td>
</tr>
<tr>
<td valign="top">loc<br>
</td>
<td valign="top">loc<br>
</td>
<td valign="top">ACCEPT<br>
</td>
<td valign="top"><br>
</td>
<td valign="top"><br>
</td>
</tr>
</tbody> </tbody>
</table> </table>
</li> <br>
<br> </li>
<li>Alternativfely, if you are running Shorewall 1.4.0 you can have the <li>In /etc/shorewall/start add:<br>
following policy in place of the above rule:<br> </li>
<table cellpadding="2" cellspacing="0" border="1">
<tbody>
<tr>
<td valign="top"><b>SOURCE<br>
</b></td>
<td valign="top"><b>DESTINATION<br>
</b></td>
<td valign="top"><b>POLICY<br>
</b></td>
<td valign="top"><b>LOG LEVEL<br>
</b></td>
<td valign="top"><b>BURST PARAMETERS<br>
</b></td>
</tr>
<tr>
<td valign="top">loc<br>
</td>
<td valign="top">loc<br>
</td>
<td valign="top">ACCEPT<br>
</td>
<td valign="top"><br>
</td>
<td valign="top"><br>
</td>
</tr>
</tbody>
</table>
<br>
</li>
<li>In /etc/shorewall/start add:<br>
</li>
</ul> </ul>
<blockquote> <blockquote>
<pre><font color="#009900"><b>iptables -t mangle -A PREROUTING -i eth1 -s ! 192.168.1.3 -p tcp --dport 80 -j MARK --set-mark 202</b></font><br></pre> <pre><font color="#009900"><b>iptables -t mangle -A PREROUTING -i eth1 -s ! 192.168.1.3 -p tcp --dport 80 -j MARK --set-mark 202</b></font><br></pre>
</blockquote> </blockquote>
<ul> <ul>
<li>On 192.168.1.3, arrange for the following command to be executed <li>On 192.168.1.3, arrange for the following command to be executed
after networking has come up<br> after networking has come up<br>
<pre><b><font color="#009900">iptables -t nat -A PREROUTING -i eth0 -d ! 192.168.1.3 -p tcp --dport 80 -j REDIRECT --to-ports 3128</font></b><br></pre> <pre><b><font color="#009900">iptables -t nat -A PREROUTING -i eth0 -d ! 192.168.1.3 -p tcp --dport 80 -j REDIRECT --to-ports 3128</font></b><br></pre>
</li> </li>
</ul> </ul>
<blockquote> If you are running RedHat on the server, you can simply execute <blockquote> If you are running RedHat on the server, you can simply execute
the following commands after you have typed the iptables command above:<br> the following commands after you have typed the iptables command above:<br>
</blockquote> </blockquote>
<blockquote> <blockquote>
<blockquote> </blockquote> <blockquote> </blockquote>
<pre><font color="#009900"><b>iptables-save &gt; /etc/sysconfig/iptables</b></font><font <pre><font color="#009900"><b>iptables-save &gt; /etc/sysconfig/iptables</b></font><font
color="#009900"><b><br>chkconfig --level 35 iptables start<br></b></font></pre> color="#009900"><b><br>chkconfig --level 35 iptables start<br></b></font></pre>
</blockquote> </blockquote>
<blockquote> </blockquote> <blockquote> </blockquote>
<h2><a name="DMZ"></a>Squid Running in the DMZ (This is what I do)</h2> <h2><a name="DMZ"></a>Squid Running in the DMZ (This is what I do)</h2>
You have a single Linux system in your DMZ with IP address 192.0.2.177. You have a single Linux system in your DMZ with IP address 192.0.2.177.
You want to run both a web server and Squid on that system. Your DMZ You want to run both a web server and Squid on that system. Your DMZ interface
interface is eth1 and your local interface is eth2.<br> is eth1 and your local interface is eth2.<br>
<ul> <ul>
<li>On your firewall system, issue the following command<br> <li>On your firewall system, issue the following command<br>
</li> </li>
</ul> </ul>
<blockquote> <blockquote>
<pre><font color="#009900"><b>echo 202 www.out &gt;&gt; /etc/iproute2/rt_tables</b></font><br></pre> <pre><font color="#009900"><b>echo 202 www.out &gt;&gt; /etc/iproute2/rt_tables</b></font><br></pre>
</blockquote> </blockquote>
<ul> <ul>
<li>In /etc/shorewall/init, put:<br> <li>In /etc/shorewall/init, put:<br>
</li> </li>
</ul> </ul>
<blockquote> <blockquote>
<pre><font color="#009900"><b>if [ -z "`ip rule list | grep www.out`" ] ; then<br> ip rule add fwmark 202 table www.out<br> ip route add default via 192.0.2.177 dev eth1 table www.out<br> ip route flush cache<br>fi</b></font><br></pre> <pre><font color="#009900"><b>if [ -z "`ip rule list | grep www.out`" ] ; then<br> ip rule add fwmark 202 table www.out<br> ip route add default via 192.0.2.177 dev eth1 table www.out<br> ip route flush cache<br>fi</b></font><br></pre>
</blockquote> </blockquote>
<ul> <ul>
<li>&nbsp;Do<b> one </b>of the following:<br> <li>&nbsp;Do<b> one </b>of the following:<br>
<br> <br>
A) In /etc/shorewall/start add<br> A) In /etc/shorewall/start add<br>
</li> </li>
</ul> </ul>
<blockquote> <blockquote>
<pre><b><font color="#009900"> iptables -t mangle -A PREROUTING -i eth2 -p tcp --dport 80 -j MARK --set-mark 202</font></b><br></pre> <pre><b><font color="#009900"> iptables -t mangle -A PREROUTING -i eth2 -p tcp --dport 80 -j MARK --set-mark 202</font></b><br></pre>
</blockquote> </blockquote>
<blockquote>B) Set MARK_IN_FORWARD_CHAIN=No in /etc/shorewall/shorewall.conf <blockquote>B) Set MARK_IN_FORWARD_CHAIN=No in /etc/shorewall/shorewall.conf
and add the following entry in /etc/shorewall/tcrules:<br> and add the following entry in /etc/shorewall/tcrules:<br>
</blockquote> </blockquote>
<blockquote> <blockquote>
<blockquote> <blockquote>
<table cellpadding="2" border="1" cellspacing="0">
<tbody>
<tr>
<td valign="top">MARK<br>
</td>
<td valign="top">SOURCE<br>
</td>
<td valign="top">DESTINATION<br>
</td>
<td valign="top">PROTOCOL<br>
</td>
<td valign="top">PORT<br>
</td>
<td valign="top">CLIENT PORT<br>
</td>
</tr>
<tr>
<td valign="top">202<br>
</td>
<td valign="top">eth2<br>
</td>
<td valign="top">0.0.0.0/0<br>
</td>
<td valign="top">tcp<br>
</td>
<td valign="top">80<br>
</td>
<td valign="top">-<br>
</td>
</tr>
</tbody>
</table>
</blockquote>
C) Run Shorewall 1.3.14 or later and add the following entry in /etc/shorewall/tcrules:<br>
</blockquote>
<blockquote>
<blockquote>
<table cellpadding="2" border="1" cellspacing="0"> <table cellpadding="2" border="1" cellspacing="0">
<tbody> <tbody>
<tr> <tr>
@ -402,7 +375,7 @@ interface is eth1 and your local interface is eth2.<br>
</td> </td>
</tr> </tr>
<tr> <tr>
<td valign="top">202:P<br> <td valign="top">202<br>
</td> </td>
<td valign="top">eth2<br> <td valign="top">eth2<br>
</td> </td>
@ -415,104 +388,144 @@ interface is eth1 and your local interface is eth2.<br>
<td valign="top">-<br> <td valign="top">-<br>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
</blockquote> </blockquote>
</blockquote> C) Run Shorewall 1.3.14 or later and add the following entry in /etc/shorewall/tcrules:<br>
</blockquote>
<blockquote>
<blockquote>
<table cellpadding="2" border="1" cellspacing="0">
<tbody>
<tr>
<td valign="top">MARK<br>
</td>
<td valign="top">SOURCE<br>
</td>
<td valign="top">DESTINATION<br>
</td>
<td valign="top">PROTOCOL<br>
</td>
<td valign="top">PORT<br>
</td>
<td valign="top">CLIENT PORT<br>
</td>
</tr>
<tr>
<td valign="top">202:P<br>
</td>
<td valign="top">eth2<br>
</td>
<td valign="top">0.0.0.0/0<br>
</td>
<td valign="top">tcp<br>
</td>
<td valign="top">80<br>
</td>
<td valign="top">-<br>
</td>
</tr>
</tbody>
</table>
</blockquote>
</blockquote>
<ul> <ul>
<li>In /etc/shorewall/rules, you will need:</li> <li>In /etc/shorewall/rules, you will need:</li>
</ul> </ul>
<blockquote> <blockquote>
<table cellpadding="2" border="1" cellspacing="0"> <table cellpadding="2" border="1" cellspacing="0">
<tbody> <tbody>
<tr> <tr>
<td valign="top">ACTION<br> <td valign="top">ACTION<br>
</td> </td>
<td valign="top">SOURCE<br> <td valign="top">SOURCE<br>
</td> </td>
<td valign="top">DEST<br> <td valign="top">DEST<br>
</td> </td>
<td valign="top">PROTO<br> <td valign="top">PROTO<br>
</td> </td>
<td valign="top">DEST<br> <td valign="top">DEST<br>
PORT(S)<br> PORT(S)<br>
</td> </td>
<td valign="top">CLIENT<br> <td valign="top">CLIENT<br>
PORT(2)<br> PORT(2)<br>
</td> </td>
<td valign="top">ORIGINAL<br> <td valign="top">ORIGINAL<br>
DEST<br> DEST<br>
</td> </td>
</tr> </tr>
<tr> <tr>
<td valign="top">ACCEPT<br> <td valign="top">ACCEPT<br>
</td> </td>
<td valign="top">loc<br> <td valign="top">loc<br>
</td> </td>
<td valign="top">dmz<br> <td valign="top">dmz<br>
</td> </td>
<td valign="top">tcp<br> <td valign="top">tcp<br>
</td> </td>
<td valign="top">80<br> <td valign="top">80<br>
</td> </td>
<td valign="top"><br> <td valign="top"><br>
</td> </td>
<td valign="top"><br> <td valign="top"><br>
</td> </td>
</tr> </tr>
<tr> <tr>
<td valign="top">ACCEPT<br> <td valign="top">ACCEPT<br>
</td> </td>
<td valign="top">dmz<br> <td valign="top">dmz<br>
</td> </td>
<td valign="top">net<br> <td valign="top">net<br>
</td> </td>
<td valign="top">tcp<br> <td valign="top">tcp<br>
</td> </td>
<td valign="top">80<br> <td valign="top">80<br>
</td> </td>
<td valign="top"><br> <td valign="top"><br>
</td> </td>
<td valign="top"><br> <td valign="top"><br>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<br> <br>
</blockquote>
<ul>
<li>On 192.0.2.177 (your Web/Squid server), arrange for the following
command to be executed after networking has come up<br>
<pre><font color="#009900"><b>iptables -t nat -A PREROUTING -i eth0 -d ! 192.0.2.177 -p tcp --dport 80 -j REDIRECT --to-ports 3128</b></font><br></pre>
</li>
</ul>
<blockquote> If you are running RedHat on the server, you can simply execute
the following commands after you have typed the iptables command above:<br>
</blockquote> </blockquote>
<blockquote> <ul>
<li>On 192.0.2.177 (your Web/Squid server), arrange for the
following command to be executed after networking has come up<br>
<pre><font color="#009900"><b>iptables -t nat -A PREROUTING -i eth0 -d ! 192.0.2.177 -p tcp --dport 80 -j REDIRECT --to-ports 3128</b></font><br></pre>
</li>
</ul>
<blockquote> If you are running RedHat on the server, you can simply execute
the following commands after you have typed the iptables command above:<br>
</blockquote>
<blockquote>
<blockquote> </blockquote> <blockquote> </blockquote>
<pre><font color="#009900"><b>iptables-save &gt; /etc/sysconfig/iptables</b></font><font <pre><font color="#009900"><b>iptables-save &gt; /etc/sysconfig/iptables</b></font><font
color="#009900"><b><br>chkconfig --level 35 iptables start<br></b></font></pre> color="#009900"><b><br>chkconfig --level 35 iptables start<br></b></font></pre>
</blockquote> </blockquote>
<blockquote> </blockquote> <blockquote> </blockquote>
<p><font size="-1"> Updated 4/7/2003 - <a href="support.htm">Tom Eastep</a> <p><font size="-1"> Updated 5/29/2003 - <a href="support.htm">Tom Eastep</a>
</font></p> </font></p>
<a href="copyright.htm"><font size="2">Copyright</font> &copy; <a href="copyright.htm"><font size="2">Copyright</font> &copy;
<font size="2">2003 Thomas M. Eastep.</font></a><br> <font size="2">2003 Thomas M. Eastep.</font></a><br>
<br>
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<li><a href="1.3" target="_top">Shorewall 1.3 Site</a></li> <li><a href="1.3" target="_top">Shorewall 1.3 Site</a></li>
<li><a <li><a
href="http://www1.shorewall.net/1.2/index.htm" target="_top">Shorewall 1.2 href="http://www1.shorewall.net/1.2/index.htm" target="_top">Shorewall
Site</a></li> 1.2 Site</a></li>
<li><a href="shorewall_mirrors.htm">Mirrors</a> <li><a href="shorewall_mirrors.htm">Mirrors</a>
<ul> <ul>
<li><a target="_top" <li><a
href="http://slovakia.shorewall.net">Slovak Republic</a></li> target="_top" href="http://slovakia.shorewall.net">Slovak Republic</a></li>
<li><a target="_top" <li><a
href="http://shorewall.infohiiway.com">Texas, USA</a></li> target="_top" href="http://shorewall.infohiiway.com">Texas, USA</a></li>
<li><a target="_top" <li><a
href="http://germany.shorewall.net">Germany</a></li> target="_top" href="http://germany.shorewall.net">Germany</a></li>
<li><a target="_top"
href="http://shorewall.correofuego.com.ar">Argentina</a></li> <li><a target="_top"
<li><a target="_top"
href="http://france.shorewall.net">France</a></li> href="http://france.shorewall.net">France</a></li>
<li><a href="http://shorewall.syachile.cl" target="_top">Chile</a></li> <li><a href="http://shorewall.syachile.cl"
<li><a href="http://shorewall.greshko.com" target="_top">Taiwan</a><br> target="_top">Chile</a></li>
</li> <li><a href="http://shorewall.greshko.com"
<li><a target="_top">Taiwan</a><br>
</li>
<li><a
href="http://www.shorewall.net" target="_top">Washington State, USA</a><br> href="http://www.shorewall.net" target="_top">Washington State, USA</a><br>
</li> </li>
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<li> <a href="News.htm">News
Archive</a></li>
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from Users</a></li>
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href="shoreline.htm">About the Author</a></li>
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<li> <a
href="News.htm">News Archive</a></li>
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<ul>
<li><a href="GSLUG.htm">HTML</a></li>
<li><a href="GSLUG.ppt">PowerPoint</a><br>
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</ul>
<li> <a
href="quotes.htm">Quotes from Users</a></li>
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href="shoreline.htm">About the Author</a></li>
<li> <a
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<p><a href="copyright.htm"><font size="2">Copyright</font> © <font <p><a href="copyright.htm"><font size="2">Copyright</font> © <font
size="2">2001-2003 Thomas M. Eastep.</font></a><a size="2">2001-2003 Thomas M. Eastep.</font></a><br>
href="http://www.shorewall.net" target="_top"> </a></p> </p>
<br>
<br>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html> <html>
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<title>Download</title> <title>Download</title>
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<body> <body>
<table border="0" cellpadding="0" cellspacing="0" <table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" bordercolor="#111111" width="100%" style="border-collapse: collapse;" bordercolor="#111111" width="100%"
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<h1 align="center"><font color="#ffffff">Shorewall Download</font></h1> <h1 align="center"><font color="#ffffff">Shorewall Download</font></h1>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<p><b>I strongly urge you to read and print a copy of the <a <p><b>I strongly urge you to read and print a copy of the <a
href="shorewall_quickstart_guide.htm">Shorewall QuickStart Guide</a> href="shorewall_quickstart_guide.htm">Shorewall QuickStart Guide</a>
for the configuration that most closely matches your own.<br> for the configuration that most closely matches your own.<br>
</b></p> </b></p>
<p>The entire set of Shorewall documentation is available in PDF format at:</p> <p>The entire set of Shorewall documentation is available in PDF format at:</p>
<p>    <a href="ftp://slovakia.shorewall.net/mirror/shorewall/pdf/">ftp://slovakia.shorewall.net/mirror/shorewall/pdf/</a><br> <p>    <a href="ftp://slovakia.shorewall.net/mirror/shorewall/pdf/">ftp://slovakia.shorewall.net/mirror/shorewall/pdf/</a><br>
    <a     <a
href="http://slovakia.shorewall.net/pub/shorewall/pdf/">http://slovakia.shorewall.net/pub/shorewall/pdf/</a><br> href="http://slovakia.shorewall.net/pub/shorewall/pdf/">http://slovakia.shorewall.net/pub/shorewall/pdf/</a><br>
    <a href="rsync://slovakia.shorewall.net/shorewall/pdf/">rsync://slovakia.shorewall.net/shorewall/pdf/</a>     <a href="rsync://slovakia.shorewall.net/shorewall/pdf/">rsync://slovakia.shorewall.net/shorewall/pdf/</a>
</p> </p>
<p>The documentation in HTML format is included in the .rpm and in the .tgz <p>The documentation in HTML format is included in the .rpm and in the
packages below.</p> .tgz packages below.</p>
<p> Once you've printed the appropriate QuickStart Guide, download <u> <p> Once you've printed the appropriate QuickStart Guide, download <u>
one</u> of the modules:</p> one</u> of the modules:</p>
<ul> <ul>
<li>If you run a <b>RedHat</b>, <b>SuSE, Mandrake</b>, <li>If you run a <b>RedHat</b>, <b>SuSE, Mandrake</b>,
<b> Linux PPC</b> or <b> TurboLinux</b> distribution <b> Linux PPC</b> or <b> TurboLinux</b> distribution
with a 2.4 kernel, you can use the RPM version (note: the with a 2.4 kernel, you can use the RPM version (note: the
RPM should also work with other distributions that store RPM should also work with other distributions that store
init scripts in /etc/init.d and that include chkconfig or init scripts in /etc/init.d and that include chkconfig or
insserv). If you find that it works in other cases, let <a insserv). If you find that it works in other cases, let <a
href="mailto:teastep@shorewall.net"> me</a> know so that href="mailto:teastep@shorewall.net"> me</a> know so that
I can mention them here. See the <a href="Install.htm">Installation I can mention them here. See the <a href="Install.htm">Installation
Instructions</a> if you have problems installing the RPM.</li> Instructions</a> if you have problems installing the RPM.</li>
<li>If you are running LRP, download the .lrp file <li>If you are running LRP, download the .lrp file
(you might also want to download the .tgz so you will have a (you might also want to download the .tgz so you will have a
copy of the documentation).</li> copy of the documentation).</li>
<li>If you run <a href="http://www.debian.org"><b>Debian</b></a> <li>If you run <a href="http://www.debian.org"><b>Debian</b></a>
and would like a .deb package, Shorewall is included in both and would like a .deb package, Shorewall is included in both
the <a href="http://packages.debian.org/testing/net/shorewall.html">Debian the <a
Testing Branch</a> and the <a href="http://packages.debian.org/testing/net/shorewall.html">Debian
href="http://packages.debian.org/unstable/net/shorewall.html">Debian Unstable Testing Branch</a> and the <a
href="http://packages.debian.org/unstable/net/shorewall.html">Debian Unstable
Branch</a>.</li> Branch</a>.</li>
<li>Otherwise, download the <i>shorewall</i> <li>Otherwise, download the <i>shorewall</i>
module (.tgz)</li> module (.tgz)</li>
</ul> </ul>
<p>The documentation in HTML format is included in the .tgz and .rpm files <p>The documentation in HTML format is included in the .tgz and .rpm files
and there is an documentation .deb that also contains the documentation.  The and there is an documentation .deb that also contains the documentation.  The
.rpm will install the documentation in your default document directory which .rpm will install the documentation in your default document directory
can be obtained using the following command:<br> which can be obtained using the following command:<br>
</p> </p>
<blockquote> <blockquote>
<p><font color="#009900"><b>rpm --eval '%{defaultdocdir}'</b></font></p> <p><font color="#009900"><b>rpm --eval '%{defaultdocdir}'</b></font></p>
</blockquote> </blockquote>
<p>Please check the <font color="#ff0000"> <a href="errata.htm"> errata</a></font> <p>Please check the <font color="#ff0000"> <a href="errata.htm"> errata</a></font>
to see if there are updates that apply to the version to see if there are updates that apply to the version
that you have downloaded.</p> that you have downloaded.</p>
<p><font color="#ff0000"><b>WARNING - YOU CAN <u>NOT</u> SIMPLY INSTALL <p><font color="#ff0000"><b>WARNING - YOU CAN <u>NOT</u> SIMPLY INSTALL
THE RPM AND ISSUE A "shorewall start" COMMAND. SOME CONFIGURATION IS THE RPM AND ISSUE A "shorewall start" COMMAND. SOME CONFIGURATION
REQUIRED BEFORE THE FIREWALL WILL START. Once you have completed configuration IS REQUIRED BEFORE THE FIREWALL WILL START. Once you have completed configuration
of your firewall, you can enable startup by removing the file /etc/shorewall/startup_disabled.</b></font></p> of your firewall, you can enable startup by removing the file /etc/shorewall/startup_disabled.</b></font></p>
<p><b></b></p> <p><b></b></p>
<p><b>Download Sites:</b></p> <p><b>Download Sites:</b></p>
<blockquote> <blockquote>
<table border="2" cellpadding="2" style="border-collapse: collapse;"> <table border="2" cellpadding="2" style="border-collapse: collapse;">
<tbody> <tbody>
<tr> <tr>
<td><b>SERVER LOCATION</b></td> <td><b>SERVER LOCATION</b></td>
<td><b>DOMAIN</b></td> <td><b>DOMAIN</b></td>
<td><b>HTTP</b></td> <td><b>HTTP</b></td>
<td><b>FTP</b></td> <td><b>FTP</b></td>
</tr> </tr>
<tr> <tr>
<td>SourceForge<br> <td>SourceForge<br>
</td> </td>
<td>sf.net</td> <td>sf.net</td>
<td><a <td><a
href="http://sourceforge.net/project/showfiles.php?group_id=22587">Browse</a></td> href="http://sourceforge.net/project/showfiles.php?group_id=22587">Browse</a></td>
<td>N/A</td> <td>N/A</td>
</tr> </tr>
<tr>
<td>Slovak Republic</td>
<td>Shorewall.net</td>
<td><a
href="http://slovakia.shorewall.net/pub/shorewall/">Browse</a></td>
<td> <a target="_blank"
href="ftp://slovakia.shorewall.net/mirror/shorewall/">Browse</a></td>
</tr>
<tr>
<td>Texas, USA</td>
<td>Infohiiway.com</td>
<td><a
href="http://shorewall.infohiiway.com/pub/shorewall">Browse</a></td>
<td><a target="_blank"
href="ftp://ftp.infohiiway.com/pub/shorewall/">Browse</a></td>
</tr>
<tr>
<td>Hamburg, Germany</td>
<td>Shorewall.net</td>
<td><a
href="http://germany.shorewall.net/pub/shorewall/">Browse</a></td>
<td><a target="_blank"
href="ftp://germany.shorewall.net/pub/shorewall">Browse</a></td>
</tr>
<tr>
<td>Martinez (Zona Norte - GBA), Argentina</td>
<td>Correofuego.com.ar</td>
<td><a
href="http://shorewall.correofuego.com.ar/pub/mirrors/shorewall">Browse</a></td>
<td> <a target="_blank"
href="ftp://shorewall.correofuego.com.ar/pub/mirrors/shorewall"> Browse</a></td>
</tr>
<tr>
<td>France</td>
<td>Shorewall.net</td>
<td><a
href="http://france.shorewall.net/pub/shorewall/LATEST.lrp">Browse</a></td>
<td> <a target="_blank"
href="ftp://france.shorewall.net/pub/mirrors/shorewall/">Browse</a></td>
</tr>
<tr> <tr>
<td valign="top">Taiwan<br> <td>Slovak Republic</td>
</td> <td>Shorewall.net</td>
<td valign="top">Greshko.com<br> <td><a
</td> href="http://slovakia.shorewall.net/pub/shorewall/">Browse</a></td>
<td valign="top"><a <td> <a target="_blank"
href="http://shorewall.greshko.com/pub/shorewall/">Browse<br> href="ftp://slovakia.shorewall.net/mirror/shorewall/">Browse</a></td>
</a></td>
<td valign="top"><a
href="ftp://shorewall.greshko.com/pub/shorewall/" target="_top">Browse</a><br>
</td>
</tr>
<tr>
<td>Washington State, USA</td>
<td>Shorewall.net</td>
<td><a
href="http://www.shorewall.net/pub/shorewall/">Browse</a></td>
<td><a
href="ftp://ftp.shorewall.net/pub/shorewall/" target="_blank">Browse</a></td>
</tr> </tr>
<tr>
</tbody> <td>Texas, USA</td>
<td>Infohiiway.com</td>
<td><a
href="http://shorewall.infohiiway.com/pub/shorewall">Browse</a></td>
<td><a target="_blank"
href="ftp://ftp.infohiiway.com/pub/shorewall/">Browse</a></td>
</tr>
<tr>
<td>Hamburg, Germany</td>
<td>Shorewall.net</td>
<td><a
href="http://germany.shorewall.net/pub/shorewall/">Browse</a></td>
<td><a target="_blank"
href="ftp://germany.shorewall.net/pub/shorewall">Browse</a></td>
</tr>
<tr>
<td>France</td>
<td>Shorewall.net</td>
<td><a
href="http://france.shorewall.net/pub/shorewall/LATEST.lrp">Browse</a></td>
<td> <a target="_blank"
href="ftp://france.shorewall.net/pub/mirrors/shorewall/">Browse</a></td>
</tr>
<tr>
<td valign="top">Taiwan<br>
</td>
<td valign="top">Greshko.com<br>
</td>
<td valign="top"><a
href="http://shorewall.greshko.com/pub/shorewall/">Browse<br>
</a></td>
<td valign="top"><a
href="ftp://shorewall.greshko.com/pub/shorewall/" target="_top">Browse</a><br>
</td>
</tr>
<tr>
<td>Washington State, USA</td>
<td>Shorewall.net</td>
<td><a
href="http://www.shorewall.net/pub/shorewall/">Browse</a></td>
<td><a
href="ftp://ftp.shorewall.net/pub/shorewall/" target="_blank">Browse</a></td>
</tr>
</tbody>
</table> </table>
</blockquote> </blockquote>
<p align="left"><b>CVS:</b></p> <p align="left"><b>CVS:</b></p>
<blockquote> <blockquote>
<p align="left">The <a target="_top" <p align="left">The <a target="_top"
href="http://cvs.shorewall.net/Shorewall_CVS_Access.html">CVS repository href="http://cvs.shorewall.net/Shorewall_CVS_Access.html">CVS repository
at cvs.shorewall.net</a> contains the latest snapshots of the each at cvs.shorewall.net</a> contains the latest snapshots of the each
Shorewall component. There's no guarantee that what you find there Shorewall component. There's no guarantee that what you find there
will work at all.<br> will work at all.<br>
</p> </p>
</blockquote> </blockquote>
<p align="left"><font size="2">Last Updated 3/24/2003 - <a <p align="left"><font size="2">Last Updated 3/24/2003 - <a
href="support.htm">Tom Eastep</a></font></p> href="support.htm">Tom Eastep</a></font></p>
<p><a href="copyright.htm"><font size="2">Copyright</font> © <font <p><a href="copyright.htm"><font size="2">Copyright</font> © <font
size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br> size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p> </p>
<br>
<br> <br>
<br> <br>
<br> <br>

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html> <html>
<head> <head>
<meta http-equiv="Content-Type" <meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"> content="text/html; charset=windows-1252">
<title>Shorewall 1.4 Errata</title> <title>Shorewall 1.4 Errata</title>
<meta name="GENERATOR" content="Microsoft FrontPage 5.0"> <meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document"> <meta name="ProgId" content="FrontPage.Editor.Document">
<meta name="Microsoft Theme" content="none"> <meta name="Microsoft Theme" content="none">
<meta name="author" content="Tom Eastep"> <meta name="author" content="Tom Eastep">
</head> </head>
<body> <body>
<table border="0" cellpadding="0" cellspacing="0" <table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber1" style="border-collapse: collapse;" width="100%" id="AutoNumber1"
bgcolor="#400169" height="90"> bgcolor="#400169" height="90">
<tbody> <tbody>
<tr> <tr>
<td width="100%"> <td width="100%">
<h1 align="center"><font color="#ffffff">Shorewall Errata/Upgrade Issues</font></h1> <h1 align="center"><font color="#ffffff">Shorewall Errata/Upgrade Issues</font></h1>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<p align="center"> <b><u>IMPORTANT</u></b></p> <p align="center"> <b><u>IMPORTANT</u></b></p>
<ol> <ol>
<li> <li>
<p align="left"> <b><u>I</u>f you use a Windows system to download <p align="left"> <b><u>I</u>f you use a Windows system to download
a corrected script, be sure to run the script through <u> a corrected script, be sure to run the script through
<a href="http://www.megaloman.com/%7Ehany/software/hd2u/" <u> <a
href="http://www.megaloman.com/%7Ehany/software/hd2u/"
style="text-decoration: none;"> dos2unix</a></u> after you have moved style="text-decoration: none;"> dos2unix</a></u> after you have moved
it to your Linux system.</b></p> it to your Linux system.</b></p>
</li> </li>
<li> <li>
<p align="left"> <b>If you are installing Shorewall for the first <p align="left"> <b>If you are installing Shorewall for the first
time and plan to use the .tgz and install.sh script, you can untar time and plan to use the .tgz and install.sh script, you can untar
the archive, replace the 'firewall' script in the untarred directory the archive, replace the 'firewall' script in the untarred directory
with the one you downloaded below, and then run install.sh.</b></p> with the one you downloaded below, and then run install.sh.</b></p>
</li> </li>
<li> <li>
<p align="left"> <b>When the instructions say to install a corrected <p align="left"> <b>When the instructions say to install a corrected
firewall script in /usr/share/shorewall/firewall, you firewall script in /usr/share/shorewall/firewall, you
may rename the existing file before copying in the new file.</b></p> may rename the existing file before copying in the new file.</b></p>
</li> </li>
<li> <li>
<p align="left"><b><font color="#ff0000">DO NOT INSTALL CORRECTED COMPONENTS <p align="left"><b><font color="#ff0000">DO NOT INSTALL CORRECTED COMPONENTS
ON A RELEASE EARLIER THAN THE ONE THAT THEY ARE LISTED UNDER BELOW. ON A RELEASE EARLIER THAN THE ONE THAT THEY ARE LISTED UNDER
For example, do NOT install the 1.3.9a firewall script if you are BELOW. For example, do NOT install the 1.3.9a firewall script if
running 1.3.7c.</font></b><br> you are running 1.3.7c.</font></b><br>
</p> </p>
</li> </li>
</ol> </ol>
<ul> <ul>
<li><b><a href="upgrade_issues.htm">Upgrade <li><b><a href="upgrade_issues.htm">Upgrade
Issues</a></b></li> Issues</a></b></li>
<li><b><a href="#V1.4">Problems in Version 1.4</a></b><br> <li><b><a href="#V1.4">Problems in Version 1.4</a></b><br>
</li> </li>
<li> <b><a <li> <b><a
href="errata_3.html">Problems in Version 1.3</a></b></li> href="errata_3.html">Problems in Version 1.3</a></b></li>
<li> <b><a <li> <b><a
href="errata_2.htm">Problems in Version 1.2</a></b></li> href="errata_2.htm">Problems in Version 1.2</a></b></li>
<li> <b><font <li> <b><font
color="#660066"> <a href="errata_1.htm">Problems in Version 1.1</a></font></b></li> color="#660066"> <a href="errata_1.htm">Problems in Version 1.1</a></font></b></li>
<li> <b><font <li> <b><font
color="#660066"><a href="#iptables"> Problem with iptables version 1.2.3 color="#660066"><a href="#iptables"> Problem with iptables version 1.2.3
on RH7.2</a></font></b></li> on RH7.2</a></font></b></li>
<li> <b><a <li> <b><a
href="#Debug">Problems with kernels &gt;= 2.4.18 and RedHat href="#Debug">Problems with kernels &gt;= 2.4.18 and RedHat
iptables</a></b></li> iptables</a></b></li>
<li><b><a href="#SuSE">Problems installing/upgrading <li><b><a href="#SuSE">Problems installing/upgrading
RPM on SuSE</a></b></li> RPM on SuSE</a></b></li>
<li><b><a href="#Multiport">Problems with <li><b><a href="#Multiport">Problems with
iptables version 1.2.7 and MULTIPORT=Yes</a></b></li> iptables version 1.2.7 and MULTIPORT=Yes</a></b></li>
<li><b><a href="#NAT">Problems with RH Kernel 2.4.18-10 <li><b><a href="#NAT">Problems with RH Kernel
and NAT</a></b><br> 2.4.18-10 and NAT</a></b></li>
</li> <li><b><a href="#REJECT">Problems with RH Kernels after 2.4.20-9 and REJECT
(also applies to 2.4.21-RC1) <img src="images/new10.gif" alt="(New)"
width="28" height="12" border="0">
</a><br>
</b></li>
</ul> </ul>
<hr> <hr>
<h2 align="left"><a name="V1.4"></a>Problems in Version 1.4</h2> <h2 align="left"><a name="V1.4"></a>Problems in Version 1.4</h2>
<h3></h3> <h3></h3>
<h3>1.4.4<br> <h3>1.4.4b</h3>
</h3>
<ul> <ul>
<li> If you have zone names that are 5 characters long, you may experience <li>Shorewall is ignoring records in /etc/shorewall/routestopped that
problems starting Shorewall because the --log-prefix in a logging rule is have an empty second column (HOSTS). This problem may be corrected by installing
too long. Upgrade to Version 1.4.4a to fix this problem..</li> <a
href="ftp://ftp1.shorewall.net/pub/shorewall/errata/1.4.4b/firewall"
target="_top">this firewall script</a> in /usr/share/shorewall/firewall as
described above.</li>
<li>The INCLUDE directive doesn't work when placed in the /etc/shorewall/zones
file. This problem may be corrected by installing <a
href="ftp://ftp1.shorewall.net/pub/shorewall/errata/1.4.4b/functions"
target="_top">this functions script</a> in /usr/share/shorewall/functions.<br>
</li>
</ul> </ul>
<h3>1.4.3</h3>
<h3>1.4.4-1.4.4a</h3>
<ul>
<li>The LOGMARKER variable introduced in version 1.4.3 was intended to
allow integration of Shorewall with Fireparse (http://www.firewparse.com).
Unfortunately, LOGMARKER only solved part of the integration problem. I have
implimented a new LOGFORMAT variable which will replace LOGMARKER which has
completely solved this problem and is currently in production with fireparse
here at shorewall.net. The updated files may be found at <a
href="ftp://ftp1.shorewall.net/pub/shorewall/errata/1.4.3/fireparse/"
target="_top">ftp://ftp1.shorewall.net/pub/shorewall/errata/1.4.3/fireparse/</a>.
See the 0README.txt file for details.<br>
</li>
</ul>
<h3>1.4.2</h3>
<ul> <ul>
<li>When an 'add' or 'delete' command is executed, a temporary directory <li>Log messages are being displayed on the system console even though
created in /tmp is not being removed. This problem may be corrected by installing the log level for the console is set properly according to <a
<a href="FAQ.htm#faq16">FAQ 16</a>. This problem may be corrected by installing
href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.2/firewall" <a
href="ftp://ftp1.shorewall.net/pub/shorewall/errata/1.4.4a/firewall"
target="_top">this firewall script</a> in /usr/share/shorewall/firewall as target="_top">this firewall script</a> in /usr/share/shorewall/firewall as
described ablve. <br> described above.<br>
</li> </li>
</ul> </ul>
<h3>1.4.1a, 1.4.1 and 1.4.0</h3> <h3>1.4.4<br>
</h3>
<ul> <ul>
<li>Some TCP requests are rejected in the 'common' chain with an ICMP <li> If you have zone names that are 5 characters long, you may experience
port-unreachable response rather than the more appropriate TCP RST response. problems starting Shorewall because the --log-prefix in a logging rule
This problem is corrected in <a is too long. Upgrade to Version 1.4.4a to fix this problem..</li>
href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.1a/common.def"
target="_top">this updated common.def file</a> which may be installed in
/etc/shorewall/common.def.<br>
</li>
</ul> </ul>
<h3>1.4.1</h3> <h3>1.4.3</h3>
<ul> <ul>
<li>When a "shorewall check" command is executed, each "rule" produces <li>The LOGMARKER variable introduced in version 1.4.3 was intended
the harmless additional message:<br> to allow integration of Shorewall with Fireparse (http://www.firewparse.com).
<br> Unfortunately, LOGMARKER only solved part of the integration problem. I
     /usr/share/shorewall/firewall: line 2174: [: =: unary operator have implimented a new LOGFORMAT variable which will replace LOGMARKER which
expected<br> has completely solved this problem and is currently in production with fireparse
<br> here at shorewall.net. The updated files may be found at <a
You may correct the problem by installing <a href="ftp://ftp1.shorewall.net/pub/shorewall/errata/1.4.3/fireparse/"
href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.1/firewall" target="_top">ftp://ftp1.shorewall.net/pub/shorewall/errata/1.4.3/fireparse/</a>.
target="_top">this corrected script</a> in /usr/share/shorewall/firewall See the 0README.txt file for details.<br>
as described above.<br>
</li> </li>
</ul> </ul>
<h3>1.4.0</h3> <h3>1.4.2</h3>
<ul> <ul>
<li>When running under certain shells Shorewall will attempt to create <li>When an 'add' or 'delete' command is executed, a temporary directory
ECN rules even when /etc/shorewall/ecn is empty. You may either just remove created in /tmp is not being removed. This problem may be corrected by
/etc/shorewall/ecn or you can install <a installing <a
href="http://www.shorewall.net/pub/shorewall/errata/1.4.0/firewall">this href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.2/firewall"
correct script</a> in /usr/share/shorewall/firewall as described above.<br> target="_top">this firewall script</a> in /usr/share/shorewall/firewall as
</li> described above. <br>
</li>
</ul> </ul>
<hr width="100%" size="2"> <h3>1.4.1a, 1.4.1 and 1.4.0</h3>
<ul>
<li>Some TCP requests are rejected in the 'common' chain with an
ICMP port-unreachable response rather than the more appropriate TCP RST
response. This problem is corrected in <a
href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.1a/common.def"
target="_top">this updated common.def file</a> which may be installed in
/etc/shorewall/common.def.<br>
</li>
</ul>
<h3>1.4.1</h3>
<ul>
<li>When a "shorewall check" command is executed, each "rule"
produces the harmless additional message:<br>
<br>
     /usr/share/shorewall/firewall: line 2174: [: =: unary operator
expected<br>
<br>
You may correct the problem by installing <a
href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.1/firewall"
target="_top">this corrected script</a> in /usr/share/shorewall/firewall
as described above.<br>
</li>
</ul>
<h3>1.4.0</h3>
<ul>
<li>When running under certain shells Shorewall will attempt
to create ECN rules even when /etc/shorewall/ecn is empty. You may either
just remove /etc/shorewall/ecn or you can install <a
href="http://www.shorewall.net/pub/shorewall/errata/1.4.0/firewall">this
correct script</a> in /usr/share/shorewall/firewall as described above.<br>
</li>
</ul>
<hr width="100%" size="2">
<h2 align="left"><a name="Upgrade"></a>Upgrade Issues</h2> <h2 align="left"><a name="Upgrade"></a>Upgrade Issues</h2>
<p align="left">The upgrade issues have moved to <a <p align="left">The upgrade issues have moved to <a
href="upgrade_issues.htm">a separate page</a>.</p> href="upgrade_issues.htm">a separate page</a>.</p>
<hr> <hr>
<h3 align="left"><a name="iptables"></a><font color="#660066"> Problem with <h3 align="left"><a name="iptables"></a><font color="#660066"> Problem with
iptables version 1.2.3</font></h3> iptables version 1.2.3</font></h3>
<blockquote> <blockquote>
<p align="left">There are a couple of serious bugs in iptables 1.2.3 that <p align="left">There are a couple of serious bugs in iptables 1.2.3 that
prevent it from working with Shorewall. Regrettably, prevent it from working with Shorewall. Regrettably,
RedHat released this buggy iptables in RedHat 7.2. </p> RedHat released this buggy iptables in RedHat 7.2. </p>
<p align="left"> I have built a <a <p align="left"> I have built a <a
href="ftp://ftp.shorewall.net/pub/shorewall/errata/iptables-1.2.3-3.i386.rpm"> href="ftp://ftp.shorewall.net/pub/shorewall/errata/iptables-1.2.3-3.i386.rpm">
corrected 1.2.3 rpm which you can download here</a>  and I corrected 1.2.3 rpm which you can download here</a>  and
have also built an <a I have also built an <a
href="ftp://ftp.shorewall.net/pub/shorewall/iptables-1.2.4-1.i386.rpm"> href="ftp://ftp.shorewall.net/pub/shorewall/iptables-1.2.4-1.i386.rpm">
iptables-1.2.4 rpm which you can download here</a>. If you are currently iptables-1.2.4 rpm which you can download here</a>. If you are currently
running RedHat 7.1, you can install either of these RPMs running RedHat 7.1, you can install either of these RPMs
<b><u>before</u> </b>you upgrade to RedHat 7.2.</p> <b><u>before</u> </b>you upgrade to RedHat 7.2.</p>
<p align="left"><font color="#ff6633"><b>Update 11/9/2001: </b></font>RedHat <p align="left"><font color="#ff6633"><b>Update 11/9/2001: </b></font>RedHat
has released an iptables-1.2.4 RPM of their own which you has released an iptables-1.2.4 RPM of their own which you
can download from<font color="#ff6633"> <a can download from<font color="#ff6633"> <a
href="http://www.redhat.com/support/errata/RHSA-2001-144.html">http://www.redhat.com/support/errata/RHSA-2001-144.html</a>. href="http://www.redhat.com/support/errata/RHSA-2001-144.html">http://www.redhat.com/support/errata/RHSA-2001-144.html</a>.
</font>I have installed this RPM on my firewall and it </font>I have installed this RPM on my firewall and it
works fine.</p> works fine.</p>
<p align="left">If you would like to patch iptables 1.2.3 yourself, <p align="left">If you would like to patch iptables 1.2.3 yourself,
the patches are available for download. This <a the patches are available for download. This <a
href="ftp://ftp.shorewall.net/pub/shorewall/errata/iptables-1.2.3/loglevel.patch">patch</a> href="ftp://ftp.shorewall.net/pub/shorewall/errata/iptables-1.2.3/loglevel.patch">patch</a>
which corrects a problem with parsing of the --log-level which corrects a problem with parsing of the --log-level
specification while this <a specification while this <a
href="ftp://ftp.shorewall.net/pub/shorewall/errata/iptables-1.2.3/tos.patch">patch</a> href="ftp://ftp.shorewall.net/pub/shorewall/errata/iptables-1.2.3/tos.patch">patch</a>
corrects a problem in handling the  TOS target.</p> corrects a problem in handling the  TOS target.</p>
<p align="left">To install one of the above patches:</p> <p align="left">To install one of the above patches:</p>
<ul> <ul>
<li>cd iptables-1.2.3/extensions</li> <li>cd iptables-1.2.3/extensions</li>
<li>patch -p0 &lt; <i>the-patch-file</i></li> <li>patch -p0 &lt; <i>the-patch-file</i></li>
</ul> </ul>
</blockquote> </blockquote>
<h3><a name="Debug"></a>Problems with kernels &gt;= 2.4.18 and <h3><a name="Debug"></a>Problems with kernels &gt;= 2.4.18 and
RedHat iptables</h3> RedHat iptables</h3>
<blockquote> <blockquote>
<p>Users who use RedHat iptables RPMs and who upgrade to kernel 2.4.18/19 <p>Users who use RedHat iptables RPMs and who upgrade to kernel 2.4.18/19
may experience the following:</p> may experience the following:</p>
<blockquote> <blockquote>
<pre># shorewall start<br>Processing /etc/shorewall/shorewall.conf ...<br>Processing /etc/shorewall/params ...<br>Starting Shorewall...<br>Loading Modules...<br>Initializing...<br>Determining Zones...<br>Zones: net<br>Validating interfaces file...<br>Validating hosts file...<br>Determining Hosts in Zones...<br>Net Zone: eth0:0.0.0.0/0<br>iptables: libiptc/libip4tc.c:380: do_check: Assertion<br>`h-&gt;info.valid_hooks == (1 &lt;&lt; 0 | 1 &lt;&lt; 3)' failed.<br>Aborted (core dumped)<br>iptables: libiptc/libip4tc.c:380: do_check: Assertion<br>`h-&gt;info.valid_hooks == (1 &lt;&lt; 0 | 1 &lt;&lt; 3)' failed.<br>Aborted (core dumped)<br></pre> <pre># shorewall start<br>Processing /etc/shorewall/shorewall.conf ...<br>Processing /etc/shorewall/params ...<br>Starting Shorewall...<br>Loading Modules...<br>Initializing...<br>Determining Zones...<br>Zones: net<br>Validating interfaces file...<br>Validating hosts file...<br>Determining Hosts in Zones...<br>Net Zone: eth0:0.0.0.0/0<br>iptables: libiptc/libip4tc.c:380: do_check: Assertion<br>`h-&gt;info.valid_hooks == (1 &lt;&lt; 0 | 1 &lt;&lt; 3)' failed.<br>Aborted (core dumped)<br>iptables: libiptc/libip4tc.c:380: do_check: Assertion<br>`h-&gt;info.valid_hooks == (1 &lt;&lt; 0 | 1 &lt;&lt; 3)' failed.<br>Aborted (core dumped)<br></pre>
</blockquote> </blockquote>
<p>The RedHat iptables RPM is compiled with debugging enabled but the <p>The RedHat iptables RPM is compiled with debugging enabled but the
user-space debugging code was not updated to reflect recent changes in user-space debugging code was not updated to reflect recent changes in
the Netfilter 'mangle' table. You can correct the problem by the Netfilter 'mangle' table. You can correct the problem by
installing <a installing <a
href="http://www.shorewall.net/pub/shorewall/iptables-1.2.5-1.i386.rpm"> href="http://www.shorewall.net/pub/shorewall/iptables-1.2.5-1.i386.rpm">
this iptables RPM</a>. If you are already running a 1.2.5 this iptables RPM</a>. If you are already running a 1.2.5
version of iptables, you will need to specify the --oldpackage version of iptables, you will need to specify the --oldpackage
option to rpm (e.g., "iptables -Uvh --oldpackage iptables-1.2.5-1.i386.rpm").</p> option to rpm (e.g., "iptables -Uvh --oldpackage iptables-1.2.5-1.i386.rpm").</p>
</blockquote> </blockquote>
<h3><a name="SuSE"></a>Problems installing/upgrading <h3><a name="SuSE"></a>Problems installing/upgrading
RPM on SuSE</h3> RPM on SuSE</h3>
<p>If you find that rpm complains about a conflict with kernel &lt;= <p>If you find that rpm complains about a conflict with kernel &lt;=
2.2 yet you have a 2.4 kernel installed, simply use the "--nodeps" 2.2 yet you have a 2.4 kernel installed, simply use the
option to rpm.</p> "--nodeps" option to rpm.</p>
<p>Installing: rpm -ivh --nodeps <i>&lt;shorewall rpm&gt;</i></p> <p>Installing: rpm -ivh --nodeps <i>&lt;shorewall rpm&gt;</i></p>
<p>Upgrading: rpm -Uvh --nodeps <i>&lt;shorewall rpm&gt;</i></p> <p>Upgrading: rpm -Uvh --nodeps <i>&lt;shorewall rpm&gt;</i></p>
<h3><a name="Multiport"></a><b>Problems with iptables version 1.2.7 and <h3><a name="Multiport"></a><b>Problems with iptables version 1.2.7 and
MULTIPORT=Yes</b></h3> MULTIPORT=Yes</b></h3>
<p>The iptables 1.2.7 release of iptables has made an incompatible <p>The iptables 1.2.7 release of iptables has made an incompatible
change to the syntax used to specify multiport match rules; as change to the syntax used to specify multiport match rules;
a consequence, if you install iptables 1.2.7 you must as a consequence, if you install iptables 1.2.7 you must
be running Shorewall 1.3.7a or later or:</p> be running Shorewall 1.3.7a or later or:</p>
<ul> <ul>
<li>set MULTIPORT=No <li>set MULTIPORT=No
in /etc/shorewall/shorewall.conf; or in /etc/shorewall/shorewall.conf;
</li> or </li>
<li>if you are <li>if you
running Shorewall 1.3.6 you may are running Shorewall 1.3.6 you may
install <a install <a
href="http://www.shorewall.net/pub/shorewall/errata/1.3.6/firewall"> href="http://www.shorewall.net/pub/shorewall/errata/1.3.6/firewall">
this firewall script</a> in /var/lib/shorewall/firewall this firewall script</a> in /var/lib/shorewall/firewall
as described above.</li> as described above.</li>
</ul> </ul>
<h3><a name="NAT"></a>Problems with RH Kernel 2.4.18-10 and NAT<br> <h3><a name="NAT"></a>Problems with RH Kernel 2.4.18-10 and NAT<br>
</h3> </h3>
/etc/shorewall/nat entries of the following form will /etc/shorewall/nat entries of the following form
result in Shorewall being unable to start:<br> will result in Shorewall being unable to start:<br>
<br> <br>
<pre>#EXTERNAL       INTERFACE       INTERNAL        ALL INTERFACES          LOCAL<br>192.0.2.22    eth0    192.168.9.22   yes     yes<br>#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE</pre> <pre>#EXTERNAL       INTERFACE       INTERNAL        ALL INTERFACES          LOCAL<br>192.0.2.22    eth0    192.168.9.22   yes     yes<br>#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE</pre>
Error message is:<br> Error message is:<br>
<pre>Setting up NAT...<br>iptables: Invalid argument<br>Terminated<br><br></pre> <pre>Setting up NAT...<br>iptables: Invalid argument<br>Terminated<br><br></pre>
The solution is to put "no" in the LOCAL column. Kernel The solution is to put "no" in the LOCAL column.
support for LOCAL=yes has never worked properly and 2.4.18-10 Kernel support for LOCAL=yes has never worked properly and 2.4.18-10
has disabled it. The 2.4.19 kernel contains corrected support under has disabled it. The 2.4.19 kernel contains corrected support
a new kernel configuraiton option; see <a under a new kernel configuraiton option; see <a
href="Documentation.htm#NAT">http://www.shorewall.net/Documentation.htm#NAT</a><br> href="Documentation.htm#NAT">http://www.shorewall.net/Documentation.htm#NAT</a><br>
<br>
<p><font size="2"> Last updated 5/27/2003 - <a href="support.htm">Tom Eastep</a></font>
<h3><a name="REJECT"></a><b> Problems with RH Kernels after 2.4.20-9 and REJECT
(also applies to 2.4.21-RC1)</b></h3>
Beginning with errata kernel 2.4.20-13.9, "REJECT --reject-with tcp-reset"
is broken. The symptom most commonly seen is that REJECT rules act just like
DROP rules when dealing with TCP. A kernel patch and precompiled modules to
fix this problem are available at <a
href="ftp://ftp1.shorewall.net/pub/shorewall/errata/kernel"
target="_top">ftp://ftp1.shorewall.net/pub/shorewall/errata/kernel</a>.<br>
<hr>
<p><font size="2"> Last updated 6/13/2003 - <a href="support.htm">Tom Eastep</a></font>
</p> </p>
<p><a href="copyright.htm"><font size="2">Copyright</font> © <font <p><a href="copyright.htm"><font size="2">Copyright</font> © <font
size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br> size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p> </p>

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<h1 align="center"><a <h1 align="center"><a
href="http://www.centralcommand.com/linux_products.html"><img href="http://www.centralcommand.com/linux_products.html"><img
src="images/Vexira_Antivirus_Logo.gif" alt="Vexira Logo" width="78" src="images/Vexira_Antivirus_Logo.gif" alt="Vexira Logo" width="78"
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<a <a
href="http://www.gnu.org/software/mailman/mailman.html"> <img href="http://www.gnu.org/software/mailman/mailman.html"> <img
border="0" src="images/logo-sm.jpg" align="left" hspace="5" width="110" border="0" src="images/logo-sm.jpg" align="left" hspace="5" width="110"
height="35" alt=""> height="35" alt="">
</a> </a>
<p align="right"><font color="#ffffff"><b>  </b></font> </p>
</td> <p align="right"><font color="#ffffff"><b>  </b></font><a
<td valign="middle" width="34%" align="center"> href="http://razor.sourceforge.net/"><img src="images/razor.gif"
alt="(Razor Logo)" width="100" height="22" align="left" border="0">
</a> </p>
</td>
<td valign="middle" width="34%" align="center">
<h1 align="center"><font color="#ffffff">Shorewall Mailing Lists</font></h1> <h1 align="center"><font color="#ffffff">Shorewall Mailing Lists</font></h1>
</td> </td>
<td valign="middle" width="33%"> <a <td valign="middle" width="33%">
href="http://www.postfix.org/"> <img <a href="http://www.postfix.org/"> <img
src="images/postfix-white.gif" align="right" border="0" width="124" src="images/postfix-white.gif" align="right" border="0" width="158"
height="66" alt="(Postfix Logo)"> height="84" alt="(Postfix Logo)">
</a><br> </a><br>
<div align="left"><a href="http://www.spamassassin.org"><img <div align="left"><a href="http://www.spamassassin.org"><img
src="images/ninjalogo.png" alt="" width="110" height="42" align="right" src="images/ninjalogo.png" alt="" width="110" height="42" align="right"
border="0"> border="0">
</a> </div> </a> </div>
<br> <br>
<div align="right"><br> <div align="right"><b><font color="#ffffff"><br>
<b><font color="#ffffff"><br> </font></b><br>
   </font></b><br> </div>
</div> </td>
</td> </tr>
</tr>
</tbody>
</tbody>
</table> </table>
<h1>REPORTING A PROBLEM OR ASKING FOR HELP? If you haven't already, please <h1>REPORTING A PROBLEM OR ASKING FOR HELP? If you haven't already, please
read the <a href="http://www.shorewall.net/support.htm">Shorewall Support read the <a href="http://www.shorewall.net/support.htm">Shorewall Support
Guide</a>.<br> Guide</a>.<br>
</h1> </h1>
<p align="left">If you experience problems with any of these lists, please <p align="left">If you experience problems with any of these lists, please
let <a href="mailto:postmaster@shorewall.net">me</a> know</p> let <a href="mailto:postmaster@shorewall.net">me</a> know</p>
<h2 align="left">Not able to Post Mail to shorewall.net?</h2> <h2 align="left">Not able to Post Mail to shorewall.net?</h2>
<p align="left">You can report such problems by sending mail to tmeastep <p align="left">You can report such problems by sending mail to tmeastep at
at hotmail dot com.</p> hotmail dot com.</p>
<h2>A Word about the SPAM Filters at Shorewall.net <a <h2>A Word about the SPAM Filters at Shorewall.net <a
href="http://osirusoft.com/"> </a></h2> href="http://osirusoft.com/"> </a></h2>
<p>Please note that the mail server at shorewall.net
checks incoming mail:<br>
</p>
<ol>
<li>against <a href="http://spamassassin.org">Spamassassin</a>
(including <a href="http://razor.sourceforge.net/">Vipul's Razor</a>).<br>
</li>
<li>to ensure that the sender address is fully qualified.</li>
<li>to verify that the sender's domain has an A
or MX record in DNS.</li>
<li>to ensure that the host name in the HELO/EHLO
command is a valid fully-qualified DNS name that resolves.</li>
</ol>
<h2>Please post in plain text</h2>
A growing number of MTAs serving list subscribers are rejecting
all HTML traffic. At least one MTA has gone so far as to blacklist
shorewall.net "for continuous abuse" because it has been my policy to
allow HTML in list posts!!<br>
<br>
I think that blocking all HTML is a Draconian way to control
spam and that the ultimate losers here are not the spammers but the
list subscribers whose MTAs are bouncing all shorewall.net mail. As
one list subscriber wrote to me privately "These e-mail admin's need to
get a <i>(explitive deleted)</i> life instead of trying to rid the planet
of HTML based e-mail". Nevertheless, to allow subscribers to receive list
posts as must as possible, I have now configured the list server at shorewall.net
to strip all HTML from outgoing posts. This means that HTML-only posts
will be bounced by the list server.<br>
<p align="left"> <b>Note: </b>The list server limits posts to 120kb.<br>
</p>
<h2>Other Mail Delivery Problems</h2>
If you find that you are missing an occasional list post,
your e-mail admin may be blocking mail whose <i>Received:</i> headers
contain the names of certain ISPs. Again, I believe that such policies
hurt more than they help but I'm not prepared to go so far as to start
stripping <i>Received:</i> headers to circumvent those policies.<br>
<h2 align="left">Mailing Lists Archive Search</h2>
<form method="post" action="http://lists.shorewall.net/cgi-bin/htsearch">
<p> <font size="-1"> Match: <p>Please note that the mail server at shorewall.net checks
incoming mail:<br>
</p>
<ol>
<li>against <a
href="http://spamassassin.org">Spamassassin</a> (including <a
href="http://razor.sourceforge.net/">Vipul's Razor</a>).<br>
</li>
<li>to ensure that the sender address is fully
qualified.</li>
<li>to verify that the sender's domain has an
A or MX record in DNS.</li>
<li>to ensure that the host name in the HELO/EHLO
command is a valid fully-qualified DNS name that resolves.</li>
<li>to ensure that the sending system has a valid PTR record in DNS.</li>
</ol>
<big><font color="#cc0000"><b>This last point is important. If you run your
own outgoing mail server and it doesn't have a valid DNS PTR record, your
email won't reach the lists unless/until the postmaster notices that your
posts are being rejected. To avoid this problem, you should configure your
MTA to forward posts to shorewall.net through an MTA that <u>does</u> have
a valid PTR record (such as the one at your ISP). </b></font></big><br>
<h2>Please post in plain text</h2>
A growing number of MTAs serving list subscribers are
rejecting all HTML traffic. At least one MTA has gone so far as to
blacklist shorewall.net "for continuous abuse" because it has been my
policy to allow HTML in list posts!!<br>
<br>
I think that blocking all HTML is a Draconian way to
control spam and that the ultimate losers here are not the spammers
but the list subscribers whose MTAs are bouncing all shorewall.net
mail. As one list subscriber wrote to me privately "These e-mail admin's
need to get a <i>(explitive deleted)</i> life instead of trying to rid
the planet of HTML based e-mail". Nevertheless, to allow subscribers
to receive list posts as must as possible, I have now configured the
list server at shorewall.net to strip all HTML from outgoing posts.
This means that HTML-only posts will be bounced by the list server.<br>
<p align="left"> <b>Note: </b>The list server limits posts to 120kb.<br>
</p>
<h2>Other Mail Delivery Problems</h2>
If you find that you are missing an occasional list post,
your e-mail admin may be blocking mail whose <i>Received:</i> headers
contain the names of certain ISPs. Again, I believe that such policies
hurt more than they help but I'm not prepared to go so far as to start
stripping <i>Received:</i> headers to circumvent those policies.<br>
<h2 align="left">Mailing Lists Archive Search</h2>
<form method="post" action="http://lists.shorewall.net/cgi-bin/htsearch">
<p> <font size="-1"> Match:
<select name="method"> <select name="method">
<option value="and">All </option> <option value="and">All </option>
<option value="or">Any </option> <option value="or">Any </option>
<option value="boolean">Boolean </option> <option value="boolean">Boolean </option>
</select> </select>
Format: Format:
<select name="format"> <select name="format">
<option value="builtin-long">Long </option> <option value="builtin-long">Long </option>
<option value="builtin-short">Short </option> <option value="builtin-short">Short </option>
</select> </select>
Sort by: Sort by:
<select name="sort"> <select name="sort">
<option value="score">Score </option> <option value="score">Score </option>
<option value="time">Time </option> <option value="time">Time </option>
@ -143,147 +156,149 @@ stripping <i>Received:</i> headers to circumvent those policies.<br>
<option value="revtime">Reverse Time </option> <option value="revtime">Reverse Time </option>
<option value="revtitle">Reverse Title </option> <option value="revtitle">Reverse Title </option>
</select> </select>
</font> <input type="hidden" name="config" </font> <input type="hidden" name="config"
value="htdig"> <input type="hidden" name="restrict" value="htdig"> <input type="hidden" name="restrict"
value="[http://lists.shorewall.net/pipermail/.*]"> <input type="hidden" value="[http://lists.shorewall.net/pipermail/.*]"> <input type="hidden"
name="exclude" value=""> <br> name="exclude" value=""> <br>
Search: <input type="text" size="30" Search: <input type="text" size="30"
name="words" value=""> <input type="submit" value="Search"> </p> name="words" value=""> <input type="submit" value="Search"> </p>
</form> </form>
<h2 align="left"><font color="#ff0000">Please do not try to download the <h2 align="left"><font color="#ff0000">Please do not try to download the entire
entire Archive -- it is 75MB (and growing daily) and my slow DSL line simply Archive -- it is 75MB (and growing daily) and my slow DSL line simply won't
won't stand the traffic. If I catch you, you will be blacklisted.<br> stand the traffic. If I catch you, you will be blacklisted.<br>
</font></h2> </font></h2>
<h2 align="left">Shorewall CA Certificate</h2> <h2 align="left">Shorewall CA Certificate</h2>
If you want to trust X.509 certificates issued by If you want to trust X.509 certificates issued
Shoreline Firewall (such as the one used on my web site), you by Shoreline Firewall (such as the one used on my web site),
may <a href="Shorewall_CA_html.html">download and install my CA certificate</a> you may <a href="Shorewall_CA_html.html">download and install my CA certificate</a>
in your browser. If you don't wish to trust my certificates then in your browser. If you don't wish to trust my certificates
you can either use unencrypted access when subscribing to Shorewall then you can either use unencrypted access when subscribing to
mailing lists or you can use secure access (SSL) and accept the server's Shorewall mailing lists or you can use secure access (SSL) and
certificate when prompted by your browser.<br> accept the server's certificate when prompted by your browser.<br>
<h2 align="left">Shorewall Users Mailing List</h2> <h2 align="left">Shorewall Users Mailing List</h2>
<p align="left">The Shorewall Users Mailing list provides a way for users <p align="left">The Shorewall Users Mailing list provides a way for users
to get answers to questions and to report problems. Information to get answers to questions and to report problems. Information
of general interest to the Shorewall user community is also posted of general interest to the Shorewall user community is also
to this list.</p> posted to this list.</p>
<p align="left"><b>Before posting a problem report to this list, please see <p align="left"><b>Before posting a problem report to this list, please see
the <a href="http://www.shorewall.net/support.htm">problem reporting the <a href="http://www.shorewall.net/support.htm">problem
guidelines</a>.</b></p> reporting guidelines</a>.</b></p>
<p align="left">To subscribe to the mailing list:<br> <p align="left">To subscribe to the mailing list:<br>
</p> </p>
<ul> <ul>
<li><b>Insecure: </b><a <li><b>Insecure: </b><a
href="http://lists.shorewall.net/mailman/listinfo/shorewall-users">http://lists.shorewall.net/mailman/listinfo/shorewall-users</a></li> href="http://lists.shorewall.net/mailman/listinfo/shorewall-users">http://lists.shorewall.net/mailman/listinfo/shorewall-users</a></li>
<li><b>SSL:</b> <a <li><b>SSL:</b> <a
href="https://lists.shorewall.net/mailman/listinfo/shorewall-users" href="https://lists.shorewall.net/mailman/listinfo/shorewall-users"
target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-users</a></li> target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-users</a></li>
</ul> </ul>
<p align="left">To post to the list, post to <a <p align="left">To post to the list, post to <a
href="mailto:shorewall-users@lists.shorewall.net">shorewall-users@lists.shorewall.net</a>.</p> href="mailto:shorewall-users@lists.shorewall.net">shorewall-users@lists.shorewall.net</a>.</p>
<p align="left">The list archives are at <a <p align="left">The list archives are at <a
href="http://lists.shorewall.net/pipermail/shorewall-users/index.html">http://lists.shorewall.net/pipermail/shorewall-users</a>.</p> href="http://lists.shorewall.net/pipermail/shorewall-users/index.html">http://lists.shorewall.net/pipermail/shorewall-users</a>.</p>
<p align="left">Note that prior to 1/1/2002, the mailing list was hosted at <p align="left">Note that prior to 1/1/2002, the mailing list was hosted
<a href="http://sourceforge.net">Sourceforge</a>. The archives from that list at <a href="http://sourceforge.net">Sourceforge</a>. The archives from that
may be found at <a list may be found at <a
href="http://www.geocrawler.com/lists/3/Sourceforge/9327/0/">www.geocrawler.com/lists/3/Sourceforge/9327/0/</a>.</p> href="http://www.geocrawler.com/lists/3/Sourceforge/9327/0/">www.geocrawler.com/lists/3/Sourceforge/9327/0/</a>.</p>
<h2 align="left">Shorewall Announce Mailing List</h2> <h2 align="left">Shorewall Announce Mailing List</h2>
<p align="left">This list is for announcements of general interest to the <p align="left">This list is for announcements of general interest to the
Shorewall community. To subscribe:<br> Shorewall community. To subscribe:<br>
</p> </p>
<p align="left"></p> <p align="left"></p>
<ul> <ul>
<li><b>Insecure:</b> <a <li><b>Insecure:</b> <a
href="http://lists.shorewall.net/mailman/listinfo/shorewall-announce">http://lists.shorewall.net/mailman/listinfo/shorewall-announce</a></li> href="http://lists.shorewall.net/mailman/listinfo/shorewall-announce">http://lists.shorewall.net/mailman/listinfo/shorewall-announce</a></li>
<li><b>SSL</b>: <a <li><b>SSL</b>: <a
href="https://lists.shorewall.net/mailman/listinfo/shorewall-announce" href="https://lists.shorewall.net/mailman/listinfo/shorewall-announce"
target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-announce.</a></li> target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-announce.</a></li>
</ul> </ul>
<p align="left"><br> <p align="left"><br>
The list archives are at <a The list archives are at <a
href="http://lists.shorewall.net/pipermail/shorewall-announce">http://lists.shorewall.net/pipermail/shorewall-announce</a>.</p> href="http://lists.shorewall.net/pipermail/shorewall-announce">http://lists.shorewall.net/pipermail/shorewall-announce</a>.</p>
<h2 align="left">Shorewall Development Mailing List</h2> <h2 align="left">Shorewall Development Mailing List</h2>
<p align="left">The Shorewall Development Mailing list provides a forum for <p align="left">The Shorewall Development Mailing list provides a forum for
the exchange of ideas about the future of Shorewall and for coordinating the exchange of ideas about the future of Shorewall and for
ongoing Shorewall Development.</p> coordinating ongoing Shorewall Development.</p>
<p align="left">To subscribe to the mailing list:<br> <p align="left">To subscribe to the mailing list:<br>
</p> </p>
<ul> <ul>
<li><b>Insecure: </b><a <li><b>Insecure: </b><a
href="http://lists.shorewall.net/mailman/listinfo/shorewall-devel">http://lists.shorewall.net/mailman/listinfo/shorewall-devel</a></li> href="http://lists.shorewall.net/mailman/listinfo/shorewall-devel">http://lists.shorewall.net/mailman/listinfo/shorewall-devel</a></li>
<li><b>SSL:</b> <a <li><b>SSL:</b> <a
href="https://lists.shorewall.net/mailman/listinfo/shorewall-devel" href="https://lists.shorewall.net/mailman/listinfo/shorewall-devel"
target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-devel.</a></li> target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-devel.</a></li>
</ul> </ul>
<p align="left"> To post to the list, post to <a <p align="left"> To post to the list, post to <a
href="mailto:shorewall-devel@lists.shorewall.net">shorewall-devel@lists.shorewall.net</a>. </p> href="mailto:shorewall-devel@lists.shorewall.net">shorewall-devel@lists.shorewall.net</a>. </p>
<p align="left">The list archives are at <a <p align="left">The list archives are at <a
href="http://lists.shorewall.net/pipermail/shorewall-devel">http://lists.shorewall.net/pipermail/shorewall-devel</a>.</p> href="http://lists.shorewall.net/pipermail/shorewall-devel">http://lists.shorewall.net/pipermail/shorewall-devel</a>.</p>
<h2 align="left"><a name="Unsubscribe"></a>How to Unsubscribe from one of <h2 align="left"><a name="Unsubscribe"></a>How to Unsubscribe from one of
the Mailing Lists</h2> the Mailing Lists</h2>
<p align="left">There seems to be near-universal confusion about unsubscribing <p align="left">There seems to be near-universal confusion about unsubscribing
from Mailman-managed lists although Mailman 2.1 has attempted from Mailman-managed lists although Mailman 2.1 has attempted
to make this less confusing. To unsubscribe:</p> to make this less confusing. To unsubscribe:</p>
<ul> <ul>
<li> <li>
<p align="left">Follow the same link above that you used to subscribe
to the list.</p> <p align="left">Follow the same link above that you used to subscribe
</li> to the list.</p>
<li> </li>
<p align="left">Down at the bottom of that page is the following text: <li>
" To <b>unsubscribe</b> from <i>&lt;list name&gt;</i>, get a
password reminder, or change your subscription options enter <p align="left">Down at the bottom of that page is the following text:
your subscription email address:". Enter your email address " To <b>unsubscribe</b> from <i>&lt;list name&gt;</i>, get
in the box and click on the "<b>Unsubscribe</b> or edit options" button.</p> a password reminder, or change your subscription options enter
</li> your subscription email address:". Enter your email address
<li> in the box and click on the "<b>Unsubscribe</b> or edit options"
<p align="left">There will now be a box where you can enter your password button.</p>
and click on "Unsubscribe"; if you have forgotten your password, </li>
there is another button that will cause your password to be emailed <li>
to you.</p>
</li> <p align="left">There will now be a box where you can enter your password
and click on "Unsubscribe"; if you have forgotten your password,
there is another button that will cause your password to be
emailed to you.</p>
</li>
</ul> </ul>
<hr> <hr>
<h2 align="left">Frustrated by having to Rebuild Mailman to use it with Postfix?</h2> <h2 align="left">Frustrated by having to Rebuild Mailman to use it with Postfix?</h2>
<p align="left"><a href="gnu_mailman.htm">Check out these instructions</a></p> <p align="left"><a href="gnu_mailman.htm">Check out these instructions</a></p>
<p align="left"><font size="2">Last updated 3/24/2003 - <a <p align="left"><font size="2">Last updated 6/14/2003 - <a
href="http://www.shorewall.net/support.htm">Tom Eastep</a></font></p> href="http://www.shorewall.net/support.htm">Tom Eastep</a></font></p>
<p align="left"><a href="copyright.htm"> <font size="2">Copyright</font> <p align="left"><a href="copyright.htm"> <font size="2">Copyright</font> ©
© <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br> <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p> </p>
<br>
<br>
</body> </body>
</html> </html>

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@ -2,82 +2,67 @@
<html> <html>
<head> <head>
<meta http-equiv="Content-Type" <meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"> content="text/html; charset=windows-1252">
<title>Shoreline Firewall (Shorewall) 1.4</title> <title>Shoreline Firewall (Shorewall) 1.4</title>
<base
target="_self"> <base target="_self">
</head> </head>
<body> <body>
<table border="0" cellpadding="0" cellspacing="4" <table border="0" cellpadding="0" cellspacing="4"
style="border-collapse: collapse;" width="100%" id="AutoNumber3" style="border-collapse: collapse;" width="100%" id="AutoNumber3"
bgcolor="#4b017c"> bgcolor="#4b017c">
<tbody> <tbody>
<tr> <tr>
<td width="100%" height="90"> <td width="33%" height="90" valign="middle"
align="left"><a href="http://www.cityofshoreline.com"><img
src="images/washington.jpg" alt="" width="97" height="80" hspace="4"
border="0">
</a></td>
<td valign="middle" width="34%" align="center">
<h1 align="center"> <font size="4"><i> <a
href="http://www.cityofshoreline.com"> <img vspace="4" hspace="4"
alt="Shorwall Logo" height="70" width="85" align="left"
src="images/washington.jpg" border="0">
</a></i></font><a href="http://www.shorewall.net"
target="_top"><img border="1" src="images/shorewall.jpg" width="119"
height="38" hspace="4" alt="(Shorewall Logo)" align="right" vspace="4">
</a></h1>
<small><small><small><small><a
href="http://www.shorewall.net" target="_top"> </a></small></small></small></small>
<div align="center">
<h1><font color="#ffffff"> Shorewall 1.4</font><i><font <h1><font color="#ffffff">Shorewall 1.4</font><i><font
color="#ffffff"> <small><small><small>"iptables made easy"</small></small></small></font></i><a color="#ffffff"> <small><small><small>"iptables made easy"</small></small></small></font></i></h1>
href="1.3" target="_top"><font color="#ffffff"><br> </td>
</font></a><br> <td valign="middle">
<h1 align="center"><a href="http://www.shorewall.net"
target="_top"><img border="0" src="images/shorewall.jpg" width="119"
height="38" hspace="4" alt="(Shorewall Logo)" align="right" vspace="4">
</a></h1>
<br>
</td>
</tr>
</h1> </tbody>
</div>
<p><a href="http://www.shorewall.net" target="_top"> </a> </p>
</td>
</tr>
</tbody>
</table> </table>
<div align="center"> <div align="center">
<center> <center>
<table border="0" cellpadding="0" cellspacing="0" <table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber4"> style="border-collapse: collapse;" width="100%" id="AutoNumber4">
<tbody> <tbody>
<tr> <tr>
<td width="90%"> <td width="90%">
<h2 align="left">What is it?</h2> <h2 align="left">What is it?</h2>
<p>The Shoreline Firewall, more commonly known as "Shorewall", is a <p>The Shoreline Firewall, more commonly known as "Shorewall", is a
<a href="http://www.netfilter.org">Netfilter</a> (iptables) based firewall <a href="http://www.netfilter.org">Netfilter</a> (iptables) based firewall
that can be used on a dedicated firewall system, a multi-function that can be used on a dedicated firewall system, a multi-function
@ -85,34 +70,34 @@
<p>This program is free software; you can redistribute it and/or modify <p>This program is free software; you can redistribute it and/or modify
it it
under the terms of <a under the terms of <a
href="http://www.gnu.org/licenses/gpl.html">Version 2 of the GNU href="http://www.gnu.org/licenses/gpl.html">Version 2 of the GNU
General Public License</a> as published by the Free Software General Public License</a> as published by the Free Software
Foundation.<br> Foundation.<br>
<br> <br>
This program is distributed in the hope This program is distributed in the
that it will be useful, but WITHOUT ANY hope that it will be useful, but WITHOUT
WARRANTY; without even the implied warranty ANY WARRANTY; without even the implied
of MERCHANTABILITY or FITNESS FOR A PARTICULAR warranty of MERCHANTABILITY or FITNESS
PURPOSE. See the GNU General Public License FOR A PARTICULAR PURPOSE. See the GNU General
for more details.<br> Public License for more details.<br>
<br> <br>
You should have received a copy of the You should have received a copy of
GNU General Public License along the GNU General Public License
with this program; if not, write to the Free along with this program; if not, write to
Software Foundation, Inc., 675 Mass the Free Software Foundation, Inc.,
Ave, Cambridge, MA 02139, USA</p> 675 Mass Ave, Cambridge, MA 02139, USA</p>
<p><a href="copyright.htm">Copyright 2001, 2002, 2003 Thomas M. Eastep</a></p> <p><a href="copyright.htm">Copyright 2001, 2002, 2003 Thomas M. Eastep</a></p>
@ -121,287 +106,360 @@ General Public License</a> as published by the Free Software
<h2>Running Shorewall on Mandrake with a two-interface setup?</h2> <h2>Running Shorewall on Mandrake with a two-interface setup?</h2>
If so, almost <b>NOTHING </b>on this site will apply directly to If so, almost <b>NOTHING </b>on this site will apply directly
your setup. If you want to use the documentation that you find here, it to your setup. If you want to use the documentation that you find here,
is best if you uninstall what you have and install a setup that matches it is best if you uninstall what you have and install a setup that
the documentation on this site. See the <a href="two-interface.htm">Two-interface matches the documentation on this site. See the <a
QuickStart Guide</a> for details.<br> href="two-interface.htm">Two-interface QuickStart Guide</a> for details.<br>
<h2> Getting Started with Shorewall</h2>
New to Shorewall? Start by selecting the <a
href="shorewall_quickstart_guide.htm">QuickStart Guide</a> that most closely
match your environment and follow the step by step instructions.<br>
<h2> Getting Started with Shorewall</h2>
New to Shorewall? Start by selecting the <a
href="shorewall_quickstart_guide.htm">QuickStart Guide</a> that most closely
match your environment and follow the step by step instructions.<br>
<h2>News</h2> <h2>News</h2>
<p><b>5/27/2003 - Shorewall-1.4.4a</b><b> </b><b><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)"> <p><b>6/17/2003 - Shorewall-1.4.5</b><b> </b><b><img
</b></p> border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
The Fireparse --log-prefix fiasco continues. Tuomo Soini has pointed out </b></p>
that the code in 1.4.4 restricts the length of short zone names to 4 characters.
I've produced version 1.4.4a that restores the previous 5-character limit <p>Problems Corrected:<br>
by conditionally omitting the log rule number when the LOGFORMAT doesn't </p>
contain '%d'.
<p><b>5/23/2003 - Shorewall-1.4.4</b><b> </b><b><img border="0" <ol>
src="images/new10.gif" width="28" height="12" alt="(New)"> <li>The command "shorewall debug try &lt;directory&gt;" now correctly
</b><b> </b></p> traces the attempt.</li>
I apologize for the rapid-fire releases but since there is a potential <li>The INCLUDE directive now works properly in the zones file; previously,
configuration change required to go from 1.4.3a to 1.4.4, I decided to make INCLUDE in that file was ignored.</li>
it a full release rather than just a bug-fix release. <br> <li>/etc/shorewall/routestopped records with an empty second column
<br> are no longer ignored.<br>
<b>    Problems corrected:</b><br> </li>
</ol>
<p>New Features:<br>
</p>
<ol>
<li>The ORIGINAL DEST column in a DNAT[-] or REDIRECT[-] rule may
now contain a list of addresses. If the list begins with "!' then the rule
will take effect only if the original destination address in the connection
request does not match any of the addresses listed.</li>
</ol>
<p><b>6/15/2003 - Shorewall, Kernel 2.4.21 and iptables 1.2.8</b><b>
</b><b><img border="0" src="images/new10.gif" width="28"
height="12" alt="(New)">
</b></p>
<p>The firewall at shorewall.net has been upgraded to the 2.4.21 kernel
and iptables 1.2.8 (using the "official" RPM from netfilter.org). No problems
have been encountered with this set of software. The Shorewall version is
1.4.4b plus the accumulated changes for 1.4.5.<br>
</p>
<p><b>6/8/2003 - Updated Samples</b><b> </b></p>
<p>Thanks to Francesca Smith, the samples have been updated to Shorewall
version 1.4.4.</p>
<p><b>5/29/2003 - Shorewall-1.4.4b</b><b> </b></p>
<p>Groan -- This version corrects a problem whereby the --log-level
was not being set when logging via syslog. The most commonly reported symptom
was that Shorewall messages were being written to the console even though
console logging was correctly configured per <a href="FAQ.htm#faq16">FAQ
16</a>.<br>
</p>
<p><b>5/27/2003 - Shorewall-1.4.4a</b><b> </b></p>
The Fireparse --log-prefix fiasco continues. Tuomo Soini has pointed
out that the code in 1.4.4 restricts the length of short zone names to
4 characters. I've produced version 1.4.4a that restores the previous
5-character limit by conditionally omitting the log rule number when
the LOGFORMAT doesn't contain '%d'.
<p><b>5/23/2003 - Shorewall-1.4.4</b><b> </b><b>
</b></p>
I apologize for the rapid-fire releases but since there is a potential
configuration change required to go from 1.4.3a to 1.4.4, I decided to
make it a full release rather than just a bug-fix release. <br>
<br>
<b> Problems corrected:</b><br>
<blockquote>None.<br> <blockquote>None.<br>
</blockquote> </blockquote>
<b>    New Features:<br> <b> New Features:<br>
</b> </b>
<ol> <ol>
<li>A REDIRECT- rule target has been added. This target behaves <li>A REDIRECT- rule target has been added. This target
for REDIRECT in the same way as DNAT- does for DNAT in that the Netfilter behaves for REDIRECT in the same way as DNAT- does for DNAT in that the
nat table REDIRECT rule is added but not the companion filter table ACCEPT Netfilter nat table REDIRECT rule is added but not the companion filter
rule.<br> table ACCEPT rule.<br>
<br> <br>
</li>
<li>The LOGMARKER variable has been renamed LOGFORMAT and has
been changed to a 'printf' formatting template which accepts three arguments
(the chain name, logging rule number and the disposition). To use LOGFORMAT
with fireparse (<a href="http://www.fireparse.com">http://www.fireparse.com</a>),
set it as:<br>
 <br>
       LOGFORMAT="fp=%s:%d a=%s "<br>
 <br>
<b>CAUTION: </b>/sbin/shorewall uses the leading part of the LOGFORMAT
string (up to but not including the first '%') to find log messages in
the 'show log', 'status' and 'hits' commands. This part should not be omitted
(the LOGFORMAT should not begin with "%") and the leading part should be
sufficiently unique for /sbin/shorewall to identify Shorewall messages.<br>
<br>
</li>
<li>When logging is specified on a DNAT[-] or REDIRECT[-] rule,
the logging now takes place in the nat table rather than in the filter table.
This way, only those connections that actually undergo DNAT or redirection
will be logged.<br>
</li>
</ol>
<p><b>5/20/2003 - Shorewall-1.4.3a</b><br>
</p>
This version primarily corrects the documentation included in the .tgz
and in the .rpm. In addition: <br>
<ol>
<li>(This change is in 1.4.3 but is not documented) If you are
running iptables 1.2.7a and kernel 2.4.20, then Shorewall will return reject
replies as follows:<br>
   a) tcp - RST<br>
   b) udp - ICMP port unreachable<br>
   c) icmp - ICMP host unreachable<br>
   d) Otherwise - ICMP host prohibited<br>
If you are running earlier software, Shorewall will follow it's traditional
convention:<br>
   a) tcp - RST<br>
   b) Otherwise - ICMP port unreachable</li>
<li>UDP port 135 is now silently dropped in the common.def chain.
Remember that this chain is traversed just before a DROP or REJECT policy
is enforced.<br>
</li>
</ol>
<p><b>5/18/2003 - Shorewall 1.4.3</b><br>
</p>
    <b>Problems Corrected:<br>
</b>
<ol>
<li>There were several cases where Shorewall would fail to
remove a temporary directory from /tmp. These cases have been corrected.</li>
<li>The rules for allowing all traffic via the loopback interface
have been moved to before the rule that drops status=INVALID packets.
This insures that all loopback traffic is allowed even if Netfilter connection
tracking is confused.</li>
</ol>
    <b>New Features:<br>
</b>
<ol>
<li> <a href="6to4.htm">IPV6-IPV4 (6to4) tunnels are</a> now
supported in the /etc/shorewall/tunnels file.</li>
<li>You may now change the leading portion of the --log-prefix
used by Shorewall using the LOGMARKER variable in shorewall.conf. By default,
"Shorewall:" is used.<br>
</li> </li>
<li>The LOGMARKER variable has been renamed LOGFORMAT and
has been changed to a 'printf' formatting template which accepts three
arguments (the chain name, logging rule number and the disposition).
To use LOGFORMAT with fireparse (<a href="http://www.fireparse.com">http://www.fireparse.com</a>),
set it as:<br>
<br>
LOGFORMAT="fp=%s:%d a=%s "<br>
<br>
<b>CAUTION: </b>/sbin/shorewall uses the leading part of the
LOGFORMAT string (up to but not including the first '%') to find log
messages in the 'show log', 'status' and 'hits' commands. This part should
not be omitted (the LOGFORMAT should not begin with "%") and the leading
part should be sufficiently unique for /sbin/shorewall to identify Shorewall
messages.<br>
<br>
</li>
<li>When logging is specified on a DNAT[-] or REDIRECT[-]
rule, the logging now takes place in the nat table rather than in the
filter table. This way, only those connections that actually undergo DNAT
or redirection will be logged.<br>
</li>
</ol> </ol>
<p><b>5/10/2003 - Shorewall Mirror in Asia</b><b> </b><br> <p><b>5/20/2003 - Shorewall-1.4.3a</b><br>
</p> </p>
Ed Greshko has established a mirror in Taiwan -- Thanks Ed! This version primarily corrects the documentation included in
the .tgz and in the .rpm. In addition: <br>
<p><b>5/8/2003 - Shorewall Mirror in Chile</b><b>  </b></p> <ol>
<li>(This change is in 1.4.3 but is not documented) If
you are running iptables 1.2.7a and kernel 2.4.20, then Shorewall will
return reject replies as follows:<br>
a) tcp - RST<br>
b) udp - ICMP port unreachable<br>
c) icmp - ICMP host unreachable<br>
d) Otherwise - ICMP host prohibited<br>
If you are running earlier software, Shorewall will follow it's
traditional convention:<br>
a) tcp - RST<br>
b) Otherwise - ICMP port unreachable</li>
<li>UDP port 135 is now silently dropped in the common.def
chain. Remember that this chain is traversed just before a DROP or REJECT
policy is enforced.<br>
</li>
</ol>
<p><b>5/18/2003 - Shorewall 1.4.3</b><br>
</p>
<b>Problems Corrected:<br>
</b>
<ol>
<li>There were several cases where Shorewall would fail
to remove a temporary directory from /tmp. These cases have been corrected.</li>
<li>The rules for allowing all traffic via the loopback
interface have been moved to before the rule that drops status=INVALID
packets. This insures that all loopback traffic is allowed even if
Netfilter connection tracking is confused.</li>
</ol>
<b>New Features:<br>
</b>
<ol>
<li> <a href="6to4.htm">IPV6-IPV4 (6to4) tunnels are</a>
now supported in the /etc/shorewall/tunnels file.</li>
<li>You may now change the leading portion of the --log-prefix
used by Shorewall using the LOGMARKER variable in shorewall.conf. By
default, "Shorewall:" is used.<br>
</li>
</ol>
<p><b>5/10/2003 - Shorewall Mirror in Asia</b><b> </b><br>
</p>
Ed Greshko has established a mirror in Taiwan -- Thanks
Ed!
<p><b>5/8/2003 - Shorewall Mirror in Chile</b><b> </b></p>
<p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br> <p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br>
</p> </p>
<p><b>4/26/2003 - lists.shorewall.net Downtime</b><b> </b></p> <p><b>4/26/2003 - lists.shorewall.net Downtime</b><b> </b></p>
<p>The list server will be down this morning for upgrade to RH9.0.<br> <p>The list server will be down this morning for upgrade to RH9.0.<br>
</p> </p>
<p><b>4/21/2003 - Samples updated for Shorewall version 1.4.2</b><b> <p><b>4/21/2003 - Samples updated for Shorewall version 1.4.2</b><b>
</b></p> </b></p>
<p>Thanks to Francesca Smith, the sample configurations are now upgraded <p>Thanks to Francesca Smith, the sample configurations are now upgraded
to Shorewall version 1.4.2.</p> to Shorewall version 1.4.2.</p>
<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation</b><b> <p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation</b><b>
</b></p> </b></p>
<blockquote>This morning, I gave <a href="GSLUG.htm" target="_top">a
Shorewall presentation to GSLUG</a>. The presentation is
in HTML format but was generated from Microsoft PowerPoint and is best
viewed using Internet Explorer (although Konqueror also seems to work
reasonably well as does Opera 7.1.0). Neither Opera 6 nor Netscape
work well to view the presentation.<br>
</blockquote>
<p><b></b></p>
<blockquote>
<ol>
</ol>
</blockquote>
<blockquote>This morning, I gave <a href="GSLUG.htm" target="_top">a
Shorewall presentation to GSLUG</a>. The presentation
is in HTML format but was generated from Microsoft PowerPoint and
is best viewed using Internet Explorer (although Konqueror also seems
to work reasonably well as does Opera 7.1.0). Neither Opera 6 nor
Netscape work well to view the presentation.<br>
</blockquote>
<blockquote>
<ol>
</ol>
</blockquote>
<p><a href="News.htm">More News</a></p> <p><a href="News.htm">More News</a></p>
<p> <a href="http://leaf.sourceforge.net" target="_top"><img <p> <a href="http://leaf.sourceforge.net" target="_top"><img
border="0" src="images/leaflogo.gif" width="49" height="36" border="0" src="images/leaflogo.gif" width="49" height="36"
alt="(Leaf Logo)"> alt="(Leaf Logo)">
</a>Jacques Nilo and Eric Wolzak have </a>Jacques Nilo and Eric Wolzak
a LEAF (router/firewall/gateway on a floppy, have a LEAF (router/firewall/gateway on
CD or compact flash) distribution called a floppy, CD or compact flash) distribution
<i>Bering</i> that features Shorewall-1.3.14 called <i>Bering</i> that features
and Kernel-2.4.20. You can find their Shorewall-1.3.14 and Kernel-2.4.20. You
work at: <a can find their work at: <a
href="http://leaf.sourceforge.net/devel/jnilo"> http://leaf.sourceforge.net/devel/jnilo<br> href="http://leaf.sourceforge.net/devel/jnilo"> http://leaf.sourceforge.net/devel/jnilo<br>
</a></p> </a></p>
<b>Congratulations to Jacques and Eric on the recent release <b>Congratulations to Jacques and Eric on the recent release
of Bering 1.2!!! </b><br> of Bering 1.2!!! </b><br>
<h2><a name="Donations"></a>Donations</h2> <h2><a name="Donations"></a>Donations</h2>
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<td width="100%" style="margin-top: 1px;"> <tr>
<td width="100%" style="margin-top: 1px;"
valign="middle">
<p align="center"><a href="http://www.starlight.org"> <img <p align="center"><a href="http://www.starlight.org"> <img
border="4" src="images/newlog.gif" width="57" height="100" align="left" border="4" src="images/newlog.gif" width="57" height="100" align="left"
hspace="10"> hspace="10" alt="(Starlight Logo)">
</a></p> </a></p>
<p align="center"><font size="4" color="#ffffff">Shorewall is free but
if you try it and find it useful, please consider making a donation
to
<a href="http://www.starlight.org"><font color="#ffffff">Starlight
Children's Foundation.</font></a> Thanks!</font></p>
</td>
</tr>
</tbody>
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<p><font size="2">Updated 5/27/2003 - <a href="support.htm">Tom Eastep</a></font> <p align="center"><font size="4" color="#ffffff"><br>
<br> <font size="+2"> Shorewall is free but if you try it and find
</p> it useful, please consider making a donation
<br> to <a
<br> href="http://www.starlight.org"><font color="#ffffff">Starlight Children's
Foundation.</font></a> Thanks!</font></font></p>
</td>
</tr>
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</table>
<p><font size="2">Updated 6/17/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
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<html> <html>
<head> <head>
<meta http-equiv="Content-Type" <meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"> content="text/html; charset=windows-1252">
<title>About the Shorewall Author</title> <title>About the Shorewall Author</title>
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<h1 align="center"><font color="#ffffff">Tom Eastep</font></h1> <h1 align="center"><font color="#ffffff">Tom Eastep</font></h1>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<p align="center"> <img border="3" src="images/TomNTarry.png" <p align="center"> <img border="3" src="images/Tom.jpg"
alt="Tom on the PCT - 1991" width="316" height="392"> alt="Tom - June 2003" width="640" height="480">
</p>
<p align="center">Tom -- June 2003<br>
<br>
</p> </p>
<p align="center">Tarry &amp; Tom -- August 2002<br>
<br>
</p>
<ul> <ul>
<li>Born 1945 in <a <li>Born 1945 in <a
href="http://www.experiencewashington.com">Washington State</a> .</li> href="http://www.experiencewashington.com">Washington State</a> .</li>
<li>BA Mathematics from <a <li>BA Mathematics from <a
href="http://www.wsu.edu">Washington State University</a> 1967</li> href="http://www.wsu.edu">Washington State University</a> 1967</li>
<li>MA Mathematics from <a <li>MA Mathematics from <a
href="http://www.washington.edu">University of Washington</a> 1969</li> href="http://www.washington.edu">University of Washington</a> 1969</li>
<li>Burroughs Corporation (now <a <li>Burroughs Corporation (now <a
href="http://www.unisys.com">Unisys</a> ) 1969 - 1980</li> href="http://www.unisys.com">Unisys</a> ) 1969 - 1980</li>
<li><a href="http://www.tandem.com">Tandem Computers, <li><a href="http://www.tandem.com">Tandem Computers,
Incorporated</a> (now part of the <a href="http://www.hp.com">The Incorporated</a> (now part of the <a
New HP</a>) 1980 - present</li> href="http://www.hp.com">The New HP</a>) 1980 - present</li>
<li>Married 1969 - no children.</li> <li>Married 1969 - no children.</li>
</ul> </ul>
<p>I am currently a member of the design team for the next-generation operating <p>I am currently a member of the design team for the next-generation operating
system from the NonStop Enterprise Division of HP. </p> system from the NonStop Enterprise Division of HP. </p>
<p>I became interested in Internet Security when I established a home office <p>I became interested in Internet Security when I established a home office
in 1999 and had DSL service installed in our home. I investigated in 1999 and had DSL service installed in our home. I investigated
ipchains and developed the scripts which are now collectively known ipchains and developed the scripts which are now collectively known
as <a href="http://seawall.sourceforge.net"> Seattle Firewall</a>. as <a href="http://seawall.sourceforge.net"> Seattle Firewall</a>.
Expanding on what I learned from Seattle Firewall, I then designed Expanding on what I learned from Seattle Firewall, I then
and wrote Shorewall. </p> designed and wrote Shorewall. </p>
<p>I telework from our <a <p>I telework from our <a
href="http://lists.shorewall.net/SeattleInTheSpring.html">home</a> in <a href="http://lists.shorewall.net/SeattleInTheSpring.html">home</a> in <a
href="http://www.cityofshoreline.com">Shoreline, Washington</a> where href="http://www.cityofshoreline.com">Shoreline, Washington</a> where
I live with my wife Tarry.  </p> I live with my wife Tarry.  </p>
<p>Our current home network consists of: </p> <p>Our current home network consists of: </p>
<ul> <ul>
<li>1.2Gz Athlon, Windows XP Pro, 320MB RAM, 40GB <li>1.2Gz Athlon, Windows XP Pro, 320MB RAM,
&amp; 20GB IDE HDs and LNE100TX (Tulip) NIC - My personal Windows 40GB &amp; 20GB IDE HDs and LNE100TX (Tulip) NIC - My personal
system. Serves as a PPTP server for Road Warrior access. Dual boots <a Windows system. Serves as a PPTP server for Road Warrior access. Dual
href="http://www.mandrakelinux.com">Mandrake</a> 9.0.</li> boots <a href="http://www.mandrakelinux.com">Mandrake</a> 9.0.</li>
<li>Celeron 1.4Gz, RH8.0, 384MB RAM, 60GB HD, LNE100TX(Tulip) <li>Celeron 1.4Gz, RH8.0, 384MB RAM, 60GB HD,
NIC - My personal Linux System which runs Samba configured LNE100TX(Tulip) NIC - My personal Linux System which runs Samba.
as a WINS server. This system also has <a This system also has <a href="http://www.vmware.com/">VMware</a>
href="http://www.vmware.com/">VMware</a> installed and can run both installed and can run both <a href="http://www.debian.org">Debian
<a href="http://www.debian.org">Debian Woody</a> and <a Woody</a> and <a href="http://www.suse.com">SuSE 8.1</a> in virtual
href="http://www.suse.com">SuSE 8.1</a> in virtual machines.</li> machines.</li>
<li>K6-2/350, RH8.0, 384MB RAM, 8GB IDE HD, EEPRO100 <li>K6-2/350, RH8.0, 384MB RAM, 8GB IDE HD, EEPRO100
NIC  - Email (Postfix, Courier-IMAP and Mailman), HTTP (Apache), FTP NIC  - Email (Postfix, Courier-IMAP and Mailman), HTTP (Apache),
(Pure_ftpd), DNS server (Bind 9).</li> FTP (Pure_ftpd), DNS server (Bind 9).</li>
<li>PII/233, RH8.0, 256MB MB RAM, 2GB SCSI HD - <li>PII/233, RH8.0, 256MB MB RAM, 2GB SCSI HD
3 LNE100TX  (Tulip) and 1 TLAN NICs  - Firewall running Shorewall - 3 LNE100TX  (Tulip) and 1 TLAN NICs  - Firewall running Shorewall
1.4.2  and a DHCP server.</li> 1.4.4c, a DHCP server and Samba configured as a WINS server..</li>
<li>Duron 750, Win ME, 192MB RAM, 20GB HD, RTL8139 <li>Duron 750, Win ME, 192MB RAM, 20GB HD, RTL8139
NIC - My wife's personal system.</li> NIC - My wife's personal system.</li>
<li>PII/400 Laptop, WinXP SP1, 224MB RAM, 12GB HD, <li>PII/400 Laptop, WinXP SP1, 224MB RAM, 12GB
built-in EEPRO100, EEPRO100 in expansion base and LinkSys WAC11 - My HD, built-in EEPRO100, EEPRO100 in expansion base - My work system.</li>
work system.</li> <li>XP 2200 Laptop, WinXP SP1, 512MB RAM, 40GB HD, built-in NIC and
<li>XP 2200 Laptop, WinXP SP1, 512MB RAM, 40GB HD, built-in NIC and LinkSys LinkSys WET11 - Our Laptop.<br>
WAC11 - Our Laptop.<br> </li>
</li>
</ul> </ul>
<p>For more about our network see <a href="myfiles.htm">my Shorewall Configuration</a>.</p> <p>For more about our network see <a href="myfiles.htm">my Shorewall Configuration</a>.</p>
<p>All of our other systems are made by <a <p>All of our other systems are made by <a
href="http://www.compaq.com">Compaq</a> (part of the new <a href="http://www.compaq.com">Compaq</a> (part of the new <a
href="http://www.hp.com/">HP</a>).. All of our Tulip NICs are <a href="http://www.hp.com/">HP</a>).. All of our Tulip NICs are <a
href="http://www.netgear.com">Netgear</a> FA310TXs.</p> href="http://www.netgear.com">Netgear</a> FA310TXs.</p>
<p><a href="http://www.redhat.com"><img border="0" <p><a href="http://www.redhat.com"><img border="0"
src="images/poweredby.png" width="88" height="31"> src="images/poweredby.png" width="88" height="31">
</a><a href="http://www.compaq.com"><img border="0" </a><a href="http://www.compaq.com"><img
src="images/poweredbycompaqlog0.gif" hspace="3" width="83" height="25"> border="0" src="images/poweredbycompaqlog0.gif" hspace="3" width="83"
</a><a href="http://www.pureftpd.org"><img border="0" height="25">
src="images/pure.jpg" width="88" height="31"> </a><a href="http://www.pureftpd.org"><img
</a><font size="4"><a href="http://www.apache.org"><img border="0" src="images/pure.jpg" width="88" height="31">
border="0" src="images/apache_pb1.gif" hspace="2" width="170" </a><font size="4"><a
height="20"> href="http://www.apache.org"><img border="0"
</a><a href="http://www.mandrakelinux.com"><img src="images/apache_pb1.gif" hspace="2" width="170" height="20">
</a><a href="http://www.mandrakelinux.com"><img
src="images/medbutton.png" alt="Powered by Mandrake" width="90" src="images/medbutton.png" alt="Powered by Mandrake" width="90"
height="32"> height="32">
</a><img src="images/shorewall.jpg" </a><img src="images/shorewall.jpg"
alt="Protected by Shorewall" width="125" height="40" hspace="4"> alt="Protected by Shorewall" width="125" height="40" hspace="4">
<a href="http://www.opera.com"><img src="images/opera.png" <a href="http://www.opera.com"><img src="images/opera.png"
alt="(Opera Logo)" width="102" height="39" border="0"> alt="(Opera Logo)" width="102" height="39" border="0">
</a>  <a href="http://www.hp.com"><img </a>  <a href="http://www.hp.com"><img
src="images/penquin_in_blue_racer_sm2.gif" alt="" width="120" src="images/penquin_in_blue_racer_sm2.gif" alt="" width="120"
height="75" border="0"> height="75" border="0">
</a><a href="http://www.opera.com"> </a> </font></p> </a><a href="http://www.opera.com"> </a> </font></p>
<p><font size="2">Last updated 5/8/2003 - </font><font size="2"> <a <p><font size="2">Last updated 6/15/2003 - </font><font size="2"> <a
href="support.htm">Tom Eastep</a></font> </p> href="support.htm">Tom Eastep</a></font> </p>
<font face="Trebuchet MS"><a href="copyright.htm"><font <font face="Trebuchet MS"><a
size="2">Copyright</font> © <font size="2">2001, 2002, 2003 Thomas href="copyright.htm"><font size="2">Copyright</font> © <font
M. Eastep.</font></a></font><br> size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a></font><br>
<br>
<br>
<br>
<br>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html> <html>
<head> <head>
<meta http-equiv="Content-Language" content="en-us"> <meta http-equiv="Content-Language" content="en-us">
<meta http-equiv="Content-Type" <meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"> content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 5.0"> <meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document"> <meta name="ProgId" content="FrontPage.Editor.Document">
<title>Shorewall Mirrors</title> <title>Shorewall Mirrors</title>
</head> </head>
<body> <body>
<table border="0" cellpadding="0" cellspacing="0" <table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" bordercolor="#111111" width="100%" style="border-collapse: collapse;" bordercolor="#111111" width="100%"
id="AutoNumber1" bgcolor="#400169" height="90"> id="AutoNumber1" bgcolor="#400169" height="90">
<tbody> <tbody>
<tr> <tr>
<td width="100%"> <td width="100%">
<h1 align="center"><font color="#ffffff">Shorewall Mirrors</font></h1> <h1 align="center"><font color="#ffffff">Shorewall Mirrors</font></h1>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<p align="left"><b>Remember that updates to the mirrors are often delayed <p align="left"><b>Remember that updates to the mirrors are often delayed
for 6-12 hours after an update to the primary rsync site. For HTML content, for 6-12 hours after an update to the primary rsync site. For HTML content,
the main web site (<a href="http://shorewall.sf.net">http://shorewall.sf.net</a>) the main web site (<a href="http://shorewall.sf.net">http://shorewall.sf.net</a>)
is updated at the same time as the rsync site.</b></p> is updated at the same time as the rsync site.</b></p>
<p align="left">The main Shorewall Web Site is <a <p align="left">The main Shorewall Web Site is <a
href="http://shorewall.sf.net" target="_top">http://shorewall.sf.net</a> href="http://shorewall.sf.net" target="_top">http://shorewall.sf.net</a>
and is located in California, USA. It is mirrored at:</p> and is located in California, USA. It is mirrored at:</p>
<ul> <ul>
<li><a target="_top" href="http://slovakia.shorewall.net"> http://slovakia.shorewall.net</a> <li><a target="_top" href="http://slovakia.shorewall.net"> http://slovakia.shorewall.net</a>
(Slovak Republic).</li> (Slovak Republic).</li>
<li> <a href="http://www.infohiiway.com/shorewall" <li> <a href="http://www.infohiiway.com/shorewall"
target="_top"> http://shorewall.infohiiway.com</a> (Texas, USA).</li> target="_top"> http://shorewall.infohiiway.com</a> (Texas, USA).</li>
<li><a target="_top" href="http://germany.shorewall.net"> http://germany.shorewall.net</a> <li><a target="_top" href="http://germany.shorewall.net"> http://germany.shorewall.net</a>
(Hamburg, Germany)</li> (Hamburg, Germany)</li>
<li><a target="_top" href="http://shorewall.correofuego.com.ar">http://shorewall.correofuego.com.ar</a> <li><a target="_top"
(Martinez (Zona Norte - GBA), Argentina)</li> href="http://france.shorewall.net">http://france.shorewall.net</a>
<li><a target="_top" href="http://france.shorewall.net">http://france.shorewall.net</a> (Paris, France)</li>
(Paris, France)</li> <li><a href="http://shorewall.syachile.cl" target="_top">http://shorewall.syachile.cl
<li><a href="http://shorewall.syachile.cl" target="_top">http://shorewall.syachile.cl </a>(Santiago Chile)</li>
</a>(Santiago Chile)<br> <li><a href="http://shorewall.greshko.com" target="_top">http://shorewall.greshko.com</a>
</li> (Taipei, Taiwan)<br>
<li><a href="http://www.shorewall.net" target="_top">http://www.shorewall.net</a> </li>
(Washington State, USA)<br> <li><a href="http://www.shorewall.net" target="_top">http://www.shorewall.net</a>
</li> (Washington State, USA)<br>
</li>
</ul> </ul>
<p align="left">The rsync site is mirrored via FTP at:</p> <p align="left">The rsync site is mirrored via FTP at:</p>
<ul> <ul>
<li><a target="_blank" <li><a target="_blank"
href="ftp://slovakia.shorewall.net/mirror/shorewall/">ftp://slovakia.shorewall.net/mirror/shorewall</a> href="ftp://slovakia.shorewall.net/mirror/shorewall/">ftp://slovakia.shorewall.net/mirror/shorewall</a>
(Slovak Republic).</li> (Slovak Republic).</li>
<li> <a <li> <a
href="ftp://ftp.infohiiway.com/pub/mirrors/shorewall/" target="_blank">ftp://ftp.infohiiway.com/pub/shorewall</a> href="ftp://ftp.infohiiway.com/pub/mirrors/shorewall/" target="_blank">ftp://ftp.infohiiway.com/pub/shorewall</a>
(Texas, USA).</li> (Texas, USA).</li>
<li><a target="_blank" <li><a target="_blank"
href="ftp://germany.shorewall.net/pub/shorewall"> ftp://germany.shorewall.net/pub/shorewall</a> href="ftp://germany.shorewall.net/pub/shorewall"> ftp://germany.shorewall.net/pub/shorewall</a>
(Hamburg, Germany)</li> (Hamburg, Germany)</li>
<li> <a target="_blank" <li> <a target="_blank"
href="ftp://shorewall.correofuego.com.ar/pub/mirrors/shorewall">ftp://shorewall.correofuego.com.ar/pub/mirrors/shorewall</a> href="ftp://france.shorewall.net/pub/mirrors/shorewall">ftp://france.shorewall.net/pub/mirrors/shorewall</a>
(Martinez (Zona Norte - GBA), Argentina)</li> (Paris, France)</li>
<li> <a target="_blank" <li><a href="ftp://shorewall.greshko.com/pub/shorewall" target="_top">ftp://shorewall.greshko.com</a>
href="ftp://france.shorewall.net/pub/mirrors/shorewall">ftp://france.shorewall.net/pub/mirrors/shorewall</a> (Taipei, Taiwan)</li>
(Paris, France)</li> <li><a href="ftp://ftp.shorewall.net/pub/shorewall" target="_blank">ftp://ftp.shorewall.net
</a>(Washington State, USA)<br>
</li>
</ul> </ul>
Search results and the mailing list archives are always fetched from the Search results and the mailing list archives are always fetched from
site in Washington State.<br> the site in Washington State.<br>
<p align="left"><font size="2">Last Updated 5/8/2003 - <a <p align="left"><font size="2">Last Updated 6/5/2003 - <a
href="support.htm">Tom Eastep</a></font></p> href="support.htm">Tom Eastep</a></font></p>
<p align="left"><font face="Trebuchet MS"><a href="copyright.htm"> <font <p align="left"><font face="Trebuchet MS"><a href="copyright.htm"> <font
size="2">Copyright</font> © <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a></font></p> size="2">Copyright</font> © <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a></font></p>
<br>
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<html> <html>
<head> <head>
<meta http-equiv="Content-Type" <meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"> content="text/html; charset=windows-1252">
<title>Shoreline Firewall (Shorewall) 1.3</title> <title>Shoreline Firewall (Shorewall) 1.3</title>
<base
target="_self"> <base target="_self">
</head> </head>
<body> <body>
<table border="0" cellpadding="0" cellspacing="4" <table border="0" cellpadding="0" cellspacing="4"
style="border-collapse: collapse;" width="100%" id="AutoNumber3" style="border-collapse: collapse;" width="100%" id="AutoNumber3"
bgcolor="#4b017c"> bgcolor="#4b017c">
<tbody> <tbody>
<tr> <tr>
<td width="100%" height="90"> <td width="33%" height="90" valign="middle"
align="left"><a href="http://www.cityofshoreline.com"><img
src="images/washington.jpg" alt="" width="97" height="80" hspace="4"
border="0">
</a></td>
<td valign="middle" width="34%" align="center">
<h1 align="center"> <font size="4"><i> <a <h1><font color="#ffffff">Shorewall 1.4</font><i><font
href="http://www.cityofshoreline.com"> <img vspace="4" hspace="4" color="#ffffff"> <small><small><small>"iptables made easy"</small></small></small></font></i></h1>
alt="Shorwall Logo" height="70" width="85" align="left" </td>
src="images/washington.jpg" border="0"> <td valign="middle">
<h1 align="center"><a href="http://www.shorewall.net"
target="_top"><br>
</a></h1>
<br>
</td>
</tr>
</a></i></font><font color="#ffffff">Shorewall 1.4
- <font size="4">"<i>iptables made </tbody>
easy"</i></font></font><br>
<a target="_top" href="1.3/index.html"><font
color="#ffffff"> </font></a><a target="_top"
href="http://www1.shorewall.net/1.2/index.htm"><font color="#ffffff"><small><small><small><br>
</small></small></small></font></a>
</h1>
</td>
</tr>
</tbody>
</table> </table>
<div align="center"> <div align="center">
<center> <center>
<table border="0" cellpadding="0" cellspacing="0" <table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber4"> style="border-collapse: collapse;" width="100%" id="AutoNumber4">
<tbody> <tbody>
<tr> <tr>
<td width="90%"> <td width="90%">
<h2 align="left">What is it?</h2> <h2 align="left">What is it?</h2>
<p>The Shoreline Firewall, more commonly known as "Shorewall", is <p>The Shoreline Firewall, more commonly known as "Shorewall", is
a <a href="http://www.netfilter.org">Netfilter</a> a <a href="http://www.netfilter.org">Netfilter</a>
(iptables) based firewall that can be used (iptables) based firewall that can be used
on a dedicated firewall system, a multi-function on a dedicated firewall system, a multi-function
gateway/router/server or on a standalone GNU/Linux system.</p> gateway/router/server or on a standalone GNU/Linux system.</p>
<p>This program is free software; you can redistribute it and/or modify
it
under the terms of <a
href="http://www.gnu.org/licenses/gpl.html">Version 2 of the GNU
General Public License</a> as published by the Free Software
Foundation.<br>
<br>
This program is distributed in the hope
that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU General Public License
for more details.<br>
<br>
You should have received a copy of the
GNU General Public License along
with this program; if not, write to the Free
Software Foundation, Inc., 675 Mass
Ave, Cambridge, MA 02139, USA</p>
<p><a href="copyright.htm">Copyright 2001, 2002, 2003 Thomas M. Eastep</a></p>
<p>This program is free software; you can redistribute it and/or modify
it
under the terms of <a
href="http://www.gnu.org/licenses/gpl.html">Version 2 of the
GNU General Public License</a> as published by the Free Software
Foundation.<br>
<br>
This program is distributed in the
hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.<br>
<br>
You should have received a copy of
the GNU General Public License
along with this program; if not, write to
the Free Software Foundation, Inc.,
675 Mass Ave, Cambridge, MA 02139, USA</p>
<p><a href="copyright.htm">Copyright 2001, 2002, 2003 Thomas M. Eastep</a></p>
<h2>Running Shorewall on Mandrake with a two-interface setup?</h2> <h2>Running Shorewall on Mandrake with a two-interface setup?</h2>
If so, almost <b>NOTHING </b>on this site will apply directly to If so, almost <b>NOTHING </b>on this site will apply directly
your setup. If you want to use the documentation that you find here, it to your setup. If you want to use the documentation that you find here,
is best if you uninstall what you have and install a setup that matches it is best if you uninstall what you have and install a setup that matches
the documentation on this site. See the <a href="two-interface.htm">Two-interface the documentation on this site. See the <a href="two-interface.htm">Two-interface
QuickStart Guide</a> for details.<br> QuickStart Guide</a> for details.<br>
<h2>Getting Started with Shorewall</h2> <h2>Getting Started with Shorewall</h2>
New to Shorewall? Start by selecting the <a New to Shorewall? Start by selecting the <a
href="shorewall_quickstart_guide.htm">QuickStart Guide</a> that most closely href="shorewall_quickstart_guide.htm">QuickStart Guide</a> that most closely
match your environment and follow the step by step instructions.<br> match your environment and follow the step by step instructions.<br>
<h2><b>News</b></h2> <h2><b>News</b></h2>
<b> </b> <b> </b>
<p><b>5/27/2003 - Shorewall-1.4.4a</b><b> </b><b><img border="0" <p><b>6/17/2003 - Shorewall-1.4.5</b><b> </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
</b></p>
<p>Problems Corrected:<br>
</p>
<ol>
<li>The command "shorewall debug try &lt;directory&gt;" now correctly
traces the attempt.</li>
<li>The INCLUDE directive now works properly in the zones file; previously,
INCLUDE in that file was ignored.</li>
<li>/etc/shorewall/routestopped records with an empty second column
are no longer ignored.<br>
</li>
</ol>
<p>New Features:<br>
</p>
<ol>
<li>The ORIGINAL DEST column in a DNAT[-] or REDIRECT[-] rule may
now contain a list of addresses. If the list begins with "!' then the rule
will take effect only if the original destination address in the connection
request does not match any of the addresses listed.</li>
</ol>
<p><b>6/15/2003 - Shorewall, Kernel 2.4.21 and iptables 1.2.8</b><b>
</b><b><img border="0" src="images/new10.gif" width="28"
height="12" alt="(New)">
</b></p>
The firewall at shorewall.net has been upgraded to the 2.4.21 kernel and
iptables 1.2.8 (using the "official" RPM from netfilter.org). No problems
have been encountered with this set of software. The Shorewall version is
1.4.4b plus the accumulated changes for 1.4.5.
<p><b>6/8/2003 - Updated Samples</b><b> </b><b><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)"> src="images/new10.gif" width="28" height="12" alt="(New)">
</b></p> </b></p>
The Fireparse --log-prefix fiasco continues. Tuomo Soini has pointed out
that the code in 1.4.4 restricts the length of short zone names to 4 characters. <p>Thanks to Francesca Smith, the samples have been updated to Shorewall
I've produced version 1.4.4a that restores the previous 5-character limit version 1.4.4.</p>
by conditionally omitting the log rule number when the LOGFORMAT doesn't
contain '%d'. <p><b>5/29/2003 - Shorewall-1.4.4b</b><b> </b></p>
<p><b>5/23/2003 - Shorewall-1.4.4</b><b> </b><b><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)"> <p>Groan -- This version corrects a problem whereby the --log-level
</b><b> </b></p> was not being set when logging via syslog. The most commonly reported symptom
I apologize for the rapid-fire releases but since there is a potential was that Shorewall messages were being written to the console even though
configuration change required to go from 1.4.3a to 1.4.4, I decided to make console logging was correctly configured per <a href="FAQ.htm#faq16">FAQ
it a full release rather than just a bug-fix release. <br> 16</a>.<br>
<br> </p>
<b>    Problems corrected:</b><br>
<p><b>5/27/2003 - Shorewall-1.4.4a</b><b> </b></p>
The Fireparse --log-prefix fiasco continues. Tuomo Soini has pointed
out that the code in 1.4.4 restricts the length of short zone names to
4 characters. I've produced version 1.4.4a that restores the previous 5-character
limit by conditionally omitting the log rule number when the LOGFORMAT
doesn't contain '%d'.
<p><b>5/23/2003 - Shorewall-1.4.4</b><b> </b><b>
</b></p>
I apologize for the rapid-fire releases but since there is a potential
configuration change required to go from 1.4.3a to 1.4.4, I decided to
make it a full release rather than just a bug-fix release. <br>
<br>
<b>    Problems corrected:</b><br>
<blockquote>None.<br> <blockquote>None.<br>
</blockquote> </blockquote>
<b>    New Features:<br> <b>    New Features:<br>
</b> </b>
<ol> <ol>
<li>A REDIRECT- rule target has been added. This target behaves <li>A REDIRECT- rule target has been added. This target behaves
for REDIRECT in the same way as DNAT- does for DNAT in that the Netfilter for REDIRECT in the same way as DNAT- does for DNAT in that the Netfilter
nat table REDIRECT rule is added but not the companion filter table ACCEPT nat table REDIRECT rule is added but not the companion filter table ACCEPT
rule.<br> rule.<br>
<br> <br>
</li> </li>
<li>The LOGMARKER variable has been renamed LOGFORMAT and has <li>The LOGMARKER variable has been renamed LOGFORMAT and
been changed to a 'printf' formatting template which accepts three arguments has been changed to a 'printf' formatting template which accepts three
(the chain name, logging rule number and the disposition). To use LOGFORMAT arguments (the chain name, logging rule number and the disposition). To
with fireparse (<a href="http://www.fireparse.com">http://www.fireparse.com</a>), use LOGFORMAT with fireparse (<a href="http://www.fireparse.com">http://www.fireparse.com</a>),
set it as:<br> set it as:<br>
 <br>  <br>
       LOGFORMAT="fp=%s:%d a=%s "<br>        LOGFORMAT="fp=%s:%d a=%s "<br>
 <br>  <br>
<b>CAUTION: </b>/sbin/shorewall uses the leading part of the LOGFORMAT <b>CAUTION: </b>/sbin/shorewall uses the leading part of the
string (up to but not including the first '%') to find log messages in LOGFORMAT string (up to but not including the first '%') to find log messages
the 'show log', 'status' and 'hits' commands. This part should not be omitted in the 'show log', 'status' and 'hits' commands. This part should not
(the LOGFORMAT should not begin with "%") and the leading part should be be omitted (the LOGFORMAT should not begin with "%") and the leading part
sufficiently unique for /sbin/shorewall to identify Shorewall messages.<br> should be sufficiently unique for /sbin/shorewall to identify Shorewall
<br> messages.<br>
</li> <br>
<li>When logging is specified on a DNAT[-] or REDIRECT[-] rule, </li>
the logging now takes place in the nat table rather than in the filter table. <li>When logging is specified on a DNAT[-] or REDIRECT[-]
This way, only those connections that actually undergo DNAT or redirection rule, the logging now takes place in the nat table rather than in the filter
will be logged.</li> table. This way, only those connections that actually undergo DNAT or redirection
will be logged.</li>
</ol> </ol>
<p><b>5/20/2003 - Shorewall-1.4.3a</b><b> </b><b> <p><b>5/20/2003 - Shorewall-1.4.3a</b><b> </b><b>
</b><br> </b><br>
</p> </p>
This version primarily corrects the documentation included in the .tgz This version primarily corrects the documentation included in the
and in the .rpm. In addition: <br> .tgz and in the .rpm. In addition: <br>
<ol> <ol>
<li>(This change is in 1.4.3 but is not documented) If you are <li>(This change is in 1.4.3 but is not documented) If
running iptables 1.2.7a and kernel 2.4.20, then Shorewall will return reject you are running iptables 1.2.7a and kernel 2.4.20, then Shorewall will
replies as follows:<br> return reject replies as follows:<br>
   a) tcp - RST<br>    a) tcp - RST<br>
   b) udp - ICMP port unreachable<br>    b) udp - ICMP port unreachable<br>
   c) icmp - ICMP host unreachable<br>    c) icmp - ICMP host unreachable<br>
   d) Otherwise - ICMP host prohibited<br>    d) Otherwise - ICMP host prohibited<br>
If you are running earlier software, Shorewall will follow it's traditional If you are running earlier software, Shorewall will follow it's
convention:<br> traditional convention:<br>
   a) tcp - RST<br>    a) tcp - RST<br>
   b) Otherwise - ICMP port unreachable</li>    b) Otherwise - ICMP port unreachable</li>
<li>UDP port 135 is now silently dropped in the common.def chain. <li>UDP port 135 is now silently dropped in the common.def
Remember that this chain is traversed just before a DROP or REJECT policy chain. Remember that this chain is traversed just before a DROP or REJECT
is enforced.<br> policy is enforced.<br>
</li> </li>
</ol> </ol>
<p><b>5/18/2003 - Shorewall 1.4.3</b><br> <p><b>5/18/2003 - Shorewall 1.4.3</b><br>
</p> </p>
    <b>Problems Corrected:<br>     <b>Problems Corrected:<br>
</b> </b>
<ol> <ol>
<li>There were several cases where Shorewall would fail to <li>There were several cases where Shorewall would fail
remove a temporary directory from /tmp. These cases have been corrected.</li> to remove a temporary directory from /tmp. These cases have been corrected.</li>
<li>The rules for allowing all traffic via the loopback interface <li>The rules for allowing all traffic via the loopback
have been moved to before the rule that drops status=INVALID packets. interface have been moved to before the rule that drops status=INVALID
This insures that all loopback traffic is allowed even if Netfilter connection packets. This insures that all loopback traffic is allowed even if Netfilter
tracking is confused.</li> connection tracking is confused.</li>
</ol>
    <b>New Features:<br>
</b>
<ol>
<li><a href="6to4.htm"> </a><a href="6to4.htm">IPV6-IPV4 (6to4)
tunnels </a>are now supported in the /etc/shorewall/tunnels file.</li>
<li value="2">You may now change the leading portion of the
--log-prefix used by Shorewall using the LOGMARKER variable in shorewall.conf.
By default, "Shorewall:" is used.<br>
</li>
</ol>
<p><b>5/10/2003 - Shorewall Mirror in Asia</b><b> </b><br>
</p>
Ed Greshko has established a mirror in Taiwan -- Thanks Ed!
<p><b>5/8/2003 - Shorewall Mirror in Chile</b><b>  </b></p>
<p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br>
</p>
<p><b>4/26/2003 - lists.shorewall.net Downtime</b><b>  </b></p> </ol>
    <b>New Features:<br>
</b>
<ol>
<li><a href="6to4.htm"> </a><a href="6to4.htm">IPV6-IPV4
(6to4) tunnels </a>are now supported in the /etc/shorewall/tunnels
file.</li>
<li value="2">You may now change the leading portion
of the --log-prefix used by Shorewall using the LOGMARKER variable in
shorewall.conf. By default, "Shorewall:" is used.<br>
</li>
<p>The list server will be down this morning for upgrade to RH9.0.<br> </ol>
</p>
<p><b>4/21/2003 - Samples updated for Shorewall version 1.4.2</b><b> <p><b>5/10/2003 - Shorewall Mirror in Asia</b><b> </b><br>
</b></p> </p>
Ed Greshko has established a mirror in Taiwan -- Thanks
Ed!
<p><b>5/8/2003 - Shorewall Mirror in Chile</b><b>  </b></p>
<p>Thanks to Francesca Smith, the sample configurations are now upgraded <p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br>
to Shorewall version 1.4.2.</p> </p>
<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation</b><b> <p><b>4/26/2003 - lists.shorewall.net Downtime</b><b>  </b></p>
</b></p>
<p>The list server will be down this morning for upgrade to RH9.0.<br>
</p>
<p><b>4/21/2003 - Samples updated for Shorewall version 1.4.2</b><b>
</b></p>
<p>Thanks to Francesca Smith, the sample configurations are now upgraded
to Shorewall version 1.4.2.</p>
<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation</b><b>
</b></p>
<blockquote> This morning, I gave <a href="GSLUG.htm" <blockquote> This morning, I gave <a href="GSLUG.htm"
target="_top">a Shorewall presentation to GSLUG</a>. The presentation target="_top">a Shorewall presentation to GSLUG</a>. The presentation
is in HTML format but was generated from Microsoft PowerPoint and is in HTML format but was generated from Microsoft PowerPoint
is best viewed using Internet Explorer (although Konqueror also seems and is best viewed using Internet Explorer (although Konqueror also
to work reasonably well as does Opera 7.1.0). Neither Opera 6 nor Netscape seems to work reasonably well as does Opera 7.1.0). Neither Opera
work well to view the presentation.</blockquote> 6 nor Netscape work well to view the presentation.</blockquote>
<p><b></b></p> <p><b></b></p>
<blockquote>
<blockquote>
<ol> <ol>
</ol> </ol>
</blockquote> </blockquote>
<p><a href="file:///Z:/Shorewall-docs/News.htm"></a></p> <p><a href="file:///Z:/Shorewall-docs/News.htm"></a></p>
<b> </b> <b> </b>
<p><b><a href="News.htm">More News</a></b></p> <p><b><a href="News.htm">More News</a></b></p>
<b> </b> <b> </b>
<h2><b> </b></h2> <h2><b> </b></h2>
<b> </b> <b> </b>
<p> <a href="http://leaf.sourceforge.net" target="_top"><img <p> <a href="http://leaf.sourceforge.net" target="_top"><img
border="0" src="images/leaflogo.gif" width="49" height="36" border="0" src="images/leaflogo.gif" width="49" height="36"
alt="(Leaf Logo)"> alt="(Leaf Logo)">
</a>Jacques Nilo and Eric Wolzak have </a>Jacques Nilo and Eric Wolzak
a LEAF (router/firewall/gateway on a floppy, have a LEAF (router/firewall/gateway
CD or compact flash) distribution called on a floppy, CD or compact flash) distribution
<i>Bering</i> that features called <i>Bering</i> that features
Shorewall-1.3.14 and Kernel-2.4.20. You can find Shorewall-1.3.14 and Kernel-2.4.20. You
their work at: <a can find their work at: <a
href="http://leaf.sourceforge.net/devel/jnilo"> http://leaf.sourceforge.net/devel/jnilo</a></p> href="http://leaf.sourceforge.net/devel/jnilo"> http://leaf.sourceforge.net/devel/jnilo</a></p>
<b>Congratulations to Jacques and Eric <b>Congratulations to Jacques and
on the recent release of Bering 1.2!!! </b><br> Eric on the recent release of Bering 1.2!!!
</b><br>
<h1 align="center"><b><a href="http://www.sf.net"><img <h1 align="center"><b><a href="http://www.sf.net"><img
align="left" alt="SourceForge Logo" align="left" alt="SourceForge Logo"
src="http://sourceforge.net/sflogo.php?group_id=22587&amp;type=3"> src="http://sourceforge.net/sflogo.php?group_id=22587&amp;type=3">
</a></b></h1> </a></b></h1>
<b> </b> <b> </b>
<h4><b> </b></h4> <h4><b> </b></h4>
<b> </b> <b> </b>
<h2><b>This site is hosted by the generous folks at <a <h2><b>This site is hosted by the generous folks at <a
href="http://www.sf.net">SourceForge.net</a> </b></h2> href="http://www.sf.net">SourceForge.net</a> </b></h2>
<b> </b> <b> </b>
<h2><b><a name="Donations"></a>Donations</b></h2> <h2><b><a name="Donations"></a>Donations</b></h2>
<b> </b></td> <b> </b></td>
<td width="88" bgcolor="#4b017c" valign="top" <td width="88" bgcolor="#4b017c" valign="top"
align="center"> align="center">
<form method="post" <form method="post"
action="http://lists.shorewall.net/cgi-bin/htsearch"> action="http://lists.shorewall.net/cgi-bin/htsearch">
<p><strong><br> <p><strong><br>
<font color="#ffffff"><b>Note: </b></font></strong> <font color="#ffffff"><b>Note: </b></font></strong>
<font color="#ffffff">Search is unavailable Daily 0200-0330 <font color="#ffffff">Search is unavailable Daily 0200-0330
GMT.</font><br> GMT.</font><br>
 </p>  </p>
<p><font color="#ffffff"><strong>Quick Search</strong></font><br> <p><font color="#ffffff"><strong>Quick Search</strong></font><br>
<font face="Arial" size="-1"> <input <font face="Arial" size="-1"> <input
type="text" name="words" size="15"></font><font size="-1"> </font><font type="text" name="words" size="15"></font><font size="-1"> </font><font
face="Arial" size="-1"> <input type="hidden" name="format" face="Arial" size="-1"> <input type="hidden" name="format"
value="long"> <input type="hidden" name="method" value="and"> value="long"> <input type="hidden" name="method" value="and">
<input type="hidden" name="config" value="htdig"> <input <input type="hidden" name="config" value="htdig"> <input
type="submit" value="Search"></font> </p> type="submit" value="Search"></font> </p>
<font face="Arial"> <input <font face="Arial"> <input
type="hidden" name="exclude" type="hidden" name="exclude"
value="[http://lists.shorewall.net/pipermail/*]"> </font> value="[http://lists.shorewall.net/pipermail/*]"> </font>
</form> </form>
<p><font color="#ffffff"><b> <a <p><font color="#ffffff"><b> <a
href="http://lists.shorewall.net/htdig/search.html"> <font href="http://lists.shorewall.net/htdig/search.html"> <font
color="#ffffff">Extended Search</font></a></b></font></p> color="#ffffff">Extended Search</font></a></b></font></p>
<a target="_top" <a target="_top"
href="file:///vfat/Shorewall-docs/1.3/index.html"><font color="#ffffff"> href="file:///vfat/Shorewall-docs/1.3/index.html"><font color="#ffffff">
</font></a><a target="_top" </font></a><a target="_top"
href="http://www1.shorewall.net/1.2/index.htm"><font color="#ffffff"><small><small><small></small></small></small></font></a><br> href="http://www1.shorewall.net/1.2/index.htm"><font color="#ffffff"><small><small><small></small></small></small></font></a><br>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
</center> </center>
</div> </div>
<table border="0" cellpadding="5" cellspacing="0" <table border="0" cellpadding="5" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber2" style="border-collapse: collapse;" width="100%" id="AutoNumber2"
bgcolor="#4b017c"> bgcolor="#4b017c">
<tbody> <tbody>
<tr> <tr>
<td width="100%" style="margin-top: 1px;"> <td width="100%" style="margin-top: 1px;">
<p align="center"><a href="http://www.starlight.org"> <img <p align="center"><a href="http://www.starlight.org"> <img
border="4" src="images/newlog.gif" width="57" height="100" align="left" border="4" src="images/newlog.gif" width="57" height="100" align="left"
hspace="10"> hspace="10">
</a></p> </a></p>
<p align="center"><font size="4" color="#ffffff">Shorewall is free but <p align="center"><font size="4" color="#ffffff"><br>
if you try it and find it useful, please consider making a donation <font size="+2">Shorewall is free but if you try it and find
to it useful, please consider making a donation
<a href="http://www.starlight.org"><font color="#ffffff">Starlight to <a
Children's Foundation.</font></a> Thanks!</font></p> href="http://www.starlight.org"><font color="#ffffff">Starlight Children's
Foundation.</font></a> Thanks!</font></font></p>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<p><font size="2">Updated 5/27/2003 - <a href="support.htm">Tom Eastep</a></font> <p><font size="2">Updated 6/17/2003 - <a href="support.htm">Tom Eastep</a></font>
<br> <br>
</p> </p>
<br>
<br>
<br>
</body> </body>
</html> </html>

493
Shorewall-docs/support.htm
View File

@ -1,81 +1,81 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html> <html>
<head> <head>
<meta http-equiv="Content-Language" content="en-us"> <meta http-equiv="Content-Language" content="en-us">
<meta http-equiv="Content-Type" <meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"> content="text/html; charset=windows-1252">
<title>Shorewall Support Guide</title> <title>Shorewall Support Guide</title>
</head> </head>
<body> <body>
<table border="0" cellpadding="0" cellspacing="0" <table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber1" style="border-collapse: collapse;" width="100%" id="AutoNumber1"
bgcolor="#400169" height="90"> bgcolor="#400169" height="90">
<tbody> <tbody>
<tr> <tr>
<td <td
width="100%"> width="100%">
<h1 align="center"><font color="#ffffff">Shorewall Support Guide<img <h1 align="center"><font color="#ffffff">Shorewall Support Guide<img
src="images/obrasinf.gif" alt="" width="90" height="90" align="middle"> src="images/obrasinf.gif" alt="" width="90" height="90" align="middle">
</font></h1> </font></h1>
</td> </td>
</tr> </tr>
</tbody> </tbody>
</table> </table>
<h2>Before Reporting a Problem or Asking a Question<br> <h2>Before Reporting a Problem or Asking a Question<br>
</h2> </h2>
There There
are a number of sources of Shorewall information. Please try these are a number of sources of Shorewall information. Please try these
before you post. before you post.
<ul> <ul>
<li>Shorewall versions earlier <li>Shorewall versions earlier
that 1.3.0 are no longer supported.<br> that 1.3.0 are no longer supported.<br>
</li> </li>
<li>More than half of the questions posted on the support <li>More than half of the questions posted on the support
list have answers directly accessible from the <a list have answers directly accessible from the <a
href="http://www.shorewall.net/shorewall_quickstart_guide.htm#Documentation">Documentation href="http://www.shorewall.net/shorewall_quickstart_guide.htm#Documentation">Documentation
Index</a><br> Index</a><br>
</li> </li>
<li> <li>
The <a href="http://www.shorewall.net/FAQ.htm">FAQ</a> has The <a href="http://www.shorewall.net/FAQ.htm">FAQ</a> has
solutions to more than 20 common problems. </li> solutions to more than 20 common problems. </li>
<li> The <li> The
<a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a> <a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a>
Information contains a number of tips to help Information contains a number of tips to
you solve common problems. </li> help you solve common problems. </li>
<li> The <li> The
<a href="http://www.shorewall.net/errata.htm"> Errata</a> has links <a href="http://www.shorewall.net/errata.htm"> Errata</a> has links
to download updated components. </li> to download updated components. </li>
<li> The Site <li> The
and Mailing List Archives search facility can locate documents Site and Mailing List Archives search facility can locate
and posts about similar problems: </li> documents and posts about similar problems: </li>
</ul> </ul>
<h2>Site and Mailing List Archive Search</h2> <h2>Site and Mailing List Archive Search</h2>
<blockquote> <blockquote>
<form method="post" <form method="post"
action="http://lists.shorewall.net/cgi-bin/htsearch"> <font size="-1"> Match: action="http://lists.shorewall.net/cgi-bin/htsearch"> <font size="-1"> Match:
<select name="method"> <select name="method">
<option value="and">All </option> <option value="and">All </option>
<option value="or">Any </option> <option value="or">Any </option>
<option value="boolean">Boolean </option> <option value="boolean">Boolean </option>
</select> </select>
Format: Format:
<select name="format"> <select name="format">
<option value="builtin-long">Long </option> <option value="builtin-long">Long </option>
<option value="builtin-short">Short </option> <option value="builtin-short">Short </option>
</select> </select>
Sort by: Sort by:
<select name="sort"> <select name="sort">
<option value="score">Score </option> <option value="score">Score </option>
<option value="time">Time </option> <option value="time">Time </option>
@ -84,231 +84,246 @@ solutions to more than 20 common problems. </li>
<option value="revtime">Reverse Time </option> <option value="revtime">Reverse Time </option>
<option value="revtitle">Reverse Title </option> <option value="revtitle">Reverse Title </option>
</select> </select>
</font><input type="hidden" name="config" </font><input type="hidden" name="config"
value="htdig"><input type="hidden" name="restrict" value=""><font value="htdig"><input type="hidden" name="restrict" value=""><font
size="-1"> Include Mailing List Archives: size="-1"> Include Mailing List Archives:
<select size="1" name="exclude"> <select size="1" name="exclude">
<option value="">Yes</option> <option value="">Yes</option>
<option value="[http://lists.shorewall.net/pipermail/.*]">No</option> <option value="[http://lists.shorewall.net/pipermail/.*]">No</option>
</select> </select>
</font><br> </font><br>
Search: <input type="text" size="30" name="words" Search: <input type="text" size="30" name="words"
value=""> <input type="submit" value="Search"><br> value=""> <input type="submit" value="Search"><br>
</form> </form>
</blockquote> </blockquote>
<h2>Problem Reporting Guidelines<br> <h2>Problem Reporting Guidelines<br>
</h2> </h2>
<ul> <ul>
<li>Please remember we only know what <li>Please remember we only know
is posted in your message. Do not leave out any information what is posted in your message. Do not leave out any information
that appears to be correct, or was mentioned in a previous post. that appears to be correct, or was mentioned in a previous
There have been countless posts by people who were sure that post. There have been countless posts by people who were sure
some part of their configuration was correct when it actually that some part of their configuration was correct when it actually
contained a small error. We tend to be skeptics where detail is contained a small error. We tend to be skeptics where detail
lacking.<br> is lacking.<br>
<br> <br>
</li> </li>
<li>Please keep in mind that you're <li>Please keep in mind that you're
asking for <strong>free</strong> technical support. Any asking for <strong>free</strong> technical support.
help we offer is an act of generosity, not an obligation. Try Any help we offer is an act of generosity, not an obligation.
to make it easy for us to help you. Follow good, courteous practices Try to make it easy for us to help you. Follow good, courteous
in writing and formatting your e-mail. Provide details that we need practices in writing and formatting your e-mail. Provide details that
if you expect good answers. <em>Exact quoting </em> of error messages, we need if you expect good answers. <em>Exact quoting </em> of
log entries, command output, and other output is better than a paraphrase error messages, log entries, command output, and other output is better
or summary.<br> than a paraphrase or summary.<br>
<br> <br>
</li> </li>
<li> <li>
Please don't describe your environment and then ask us Please don't describe your environment and then ask
to send you custom configuration files. We're here us to send you custom configuration files. We're
to answer your questions but we can't do your here to answer your questions but we can't do
job for you.<br> your job for you.<br>
<br> <br>
</li> </li>
<li>When reporting a problem, <strong>ALWAYS</strong> <li>When reporting a problem, <strong>ALWAYS</strong>
include this information:</li> include this information:</li>
</ul> </ul>
<ul> <ul>
<ul> <ul>
<li>the exact version of Shorewall <li>the exact version of Shorewall
you are running.<br> you are running.<br>
<br> <br>
<b><font color="#009900">shorewall <b><font color="#009900">shorewall
version</font><br> version</font><br>
</b> <br> </b> <br>
</li> </li>
</ul> </ul>
<ul> <ul>
<li>the exact kernel version you <li>the exact kernel version you
are running<br> are running<br>
<br> <br>
<font color="#009900"><b>uname <font color="#009900"><b>uname
-a<br> -a<br>
<br> <br>
</b></font></li> </b></font></li>
</ul> </ul>
<ul> <ul>
<li>the complete, exact output of<br> <li>the complete, exact output
<br> of<br>
<font color="#009900"><b>ip addr <br>
show<br> <font color="#009900"><b>ip
<br> addr show<br>
</b></font></li> <br>
</b></font></li>
</ul> </ul>
<ul> <ul>
<li>the complete, exact output of<br> <li>the complete, exact output
<br> of<br>
<font color="#009900"><b>ip route <br>
show<br> <font color="#009900"><b>ip
<br> route show<br>
</b></font></li> <br>
</b></font></li>
</ul> </ul>
<ul> <ul>
<li>If your kernel is modularized, <li>If your kernel is modularized,
the exact output from<br> the exact output from<br>
<br> <br>
<font color="#009900"><b>lsmod</b></font><br> <font color="#009900"><b>lsmod</b></font><br>
</li> </li>
</ul> </ul>
</ul> </ul>
<ul> <ul>
<ul> <ul>
<li><font color="#ff0000"><u><i><big><b>If you are having connection <li><font color="#ff0000"><u><i><big><b>If you are having
problems of any kind then:</b></big></i></u></font><br> connection problems of any kind then:</b></big></i></u></font><br>
<br> <br>
1. <b><font color="#009900">/sbin/shorewall/reset</font></b><br> 1. <b><font color="#009900">/sbin/shorewall reset</font></b><br>
<br> <br>
2. Try the connection that is failing.<br> 2. Try the connection that is failing.<br>
<br> <br>
3.<b><font color="#009900"> /sbin/shorewall status 3.<b><font color="#009900"> /sbin/shorewall status
&gt; /tmp/status.txt</font></b><br> &gt; /tmp/status.txt</font></b><br>
<br> <br>
4. Post the /tmp/status.txt file as an attachment.<br> 4. Post the /tmp/status.txt file as an attachment.<br>
<br> <br>
</li> </li>
<li>the exact wording of any <code <li>the exact wording of any <code
style="color: green; font-weight: bold;">ping</code> failure responses<br> style="color: green; font-weight: bold;">ping</code> failure responses<br>
<br> <br>
</li> </li>
<li>If you installed Shorewall using one of the QuickStart <li>If you installed Shorewall using one of the QuickStart
Guides, please indicate which one. <br> Guides, please indicate which one. <br>
<br> <br>
</li> </li>
<li><b>If you are running Shorewall under Mandrake using <li><b>If you are running Shorewall under Mandrake using
the Mandrake installation of Shorewall, please say so.<br> the Mandrake installation of Shorewall, please say so.<br>
<br> <br>
</b></li> </b></li>
</ul> </ul>
<li>As
a general matter, please <strong>do not edit the diagnostic <li>As a general matter, please <strong>do not edit the diagnostic
information</strong> in an attempt to conceal your IP address, information</strong> in an attempt to conceal your IP address,
netmask, nameserver addresses, domain name, etc. These aren't netmask, nameserver addresses, domain name, etc. These aren't
secrets, and concealing them often misleads us (and 80% of the time, secrets, and concealing them often misleads us (and 80% of the time,
a hacker could derive them anyway from information contained in a hacker could derive them anyway from information contained
the SMTP headers of your post).<br> in the SMTP headers of your post).<br>
<br> <br>
<strong></strong></li> <strong></strong></li>
<li>Do you see any "Shorewall" messages ("<b><font <li>Do you see any "Shorewall" messages ("<b><font
color="#009900">/sbin/shorewall show log</font></b>") when color="#009900">/sbin/shorewall show log</font></b>") when
you exercise the function that is giving you problems? If you exercise the function that is giving you problems? If
so, include the message(s) in your post along with a copy of your so, include the message(s) in your post along with a copy of your /etc/shorewall/interfaces
/etc/shorewall/interfaces file.<br> file.<br>
<br> <br>
</li> </li>
<li>Please include any of the Shorewall configuration <li>Please include any of the Shorewall configuration
files (especially the /etc/shorewall/hosts file files (especially the /etc/shorewall/hosts file
if you have modified that file) that you think are if you have modified that file) that you think are
relevant. If you include /etc/shorewall/rules, please include relevant. If you include /etc/shorewall/rules, please include
/etc/shorewall/policy as well (rules are meaningless unless /etc/shorewall/policy as well (rules are meaningless unless
one also knows the policies).<br> one also knows the policies).<br>
<br> <br>
</li> </li>
<li>If an error occurs when you try to "<font <li>If an error occurs when you try to "<font
color="#009900"><b>shorewall start</b></font>", include a trace color="#009900"><b>shorewall start</b></font>", include a trace
(See the <a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a> (See the <a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a>
section for instructions).<br> section for instructions).<br>
<br> <br>
</li> </li>
<li><b>The list server limits posts to 120kb so don't <li><b>The list server limits posts to 120kb so don't
post GIFs of your network layout, etc. post GIFs of your network layout, etc.
to the Mailing List -- your post will be rejected.</b></li> to the Mailing List -- your post will be rejected.</b></li>
</ul> </ul>
<blockquote> The author gratefully acknowleges that the above list was <blockquote> The author gratefully acknowleges that the above list was
heavily plagiarized from the excellent LEAF document by <i>Ray</i> heavily plagiarized from the excellent LEAF document by <i>Ray</i>
<em>Olszewski</em> found at <a <em>Olszewski</em> found at <a
href="http://leaf-project.org/pub/doc/docmanager/docid_1891.html">http://leaf-project.org/pub/doc/docmanager/docid_1891.html</a>.<br> href="http://leaf-project.org/pub/doc/docmanager/docid_1891.html">http://leaf-project.org/pub/doc/docmanager/docid_1891.html</a>.<br>
</blockquote> </blockquote>
<h2>When using the mailing list, please post in plain text</h2> <h2>When using the mailing list, please post in plain text</h2>
<blockquote> A growing number of MTAs serving list subscribers are rejecting <blockquote> A growing number of MTAs serving list subscribers are
all HTML traffic. At least one MTA has gone so far as to blacklist rejecting all HTML traffic. At least one MTA has gone so far as to
shorewall.net "for continuous abuse" because it has been my policy blacklist shorewall.net "for continuous abuse" because it has been
to allow HTML in list posts!!<br> my policy to allow HTML in list posts!!<br>
<br> <br>
I think that blocking all HTML is I think that blocking all HTML
a Draconian way to control spam and that the ultimate losers is a Draconian way to control spam and that the ultimate
here are not the spammers but the list subscribers whose losers here are not the spammers but the list subscribers
MTAs are bouncing all shorewall.net mail. As one list subscriber whose MTAs are bouncing all shorewall.net mail. As one list
wrote to me privately "These e-mail admin's need to get a <i>(expletive subscriber wrote to me privately "These e-mail admin's need
deleted)</i> life instead of trying to rid the planet of HTML to get a <i>(expletive deleted)</i> life instead of trying to
based e-mail". Nevertheless, to allow subscribers to receive rid the planet of HTML based e-mail". Nevertheless, to allow
list posts as must as possible, I have now configured the list subscribers to receive list posts as must as possible, I have now
server at shorewall.net to strip all HTML from outgoing posts.<br> configured the list server at shorewall.net to strip all HTML from
</blockquote> outgoing posts.<br>
<br>
<big><font color="#cc0000"><b>If you run your own outgoing mail server
and it doesn't have a valid DNS PTR record, your email won't reach the lists
unless/until the postmaster notices that your posts are being rejected. To
avoid this problem, you should configure your MTA to forward posts to shorewall.net
through an MTA that <u>does</u> have a valid PTR record (such as the one
at your ISP). </b></font></big><br>
</blockquote>
<h2>Where to Send your Problem Report or to Ask for Help</h2> <h2>Where to Send your Problem Report or to Ask for Help</h2>
<blockquote> <blockquote>
<h4>If you run Shorewall under Bering -- <span <h4>If you run Shorewall under Bering -- <span
style="font-weight: 400;">please post your question or problem style="font-weight: 400;">please post your question or problem
to the <a to the <a
href="mailto:leaf-user@lists.sourceforge.net">LEAF Users mailing href="mailto:leaf-user@lists.sourceforge.net">LEAF Users mailing
list</a>.</span></h4> list</a>.</span></h4>
<b>If you run Shorewall under MandrakeSoft <b>If you run Shorewall under
Multi Network Firewall (MNF) and you have not purchased MandrakeSoft Multi Network Firewall (MNF) and you have
an MNF license from MandrakeSoft then you can post non MNF-specific not purchased an MNF license from MandrakeSoft then you can
Shorewall questions to the </b><a post non MNF-specific Shorewall questions to the </b><a
href="mailto:shorewall-users@lists.shorewall.net">Shorewall users mailing href="mailto:shorewall-users@lists.shorewall.net">Shorewall users mailing
list</a>. <b>Do not expect to get free MNF support on the list.</b><br> list</a>. <b>Do not expect to get free MNF support on the list.</b><br>
<p>Otherwise, please post your question or problem to the <a <p>If you have a question, you may post it on the <a
href="mailto:shorewall-users@lists.shorewall.net">Shorewall users mailing href="http://www.developercube.com/forum/index.php?c=8">Shorewall Forum</a>:
list</a> .</p> <font color="#ff6666"><b>DO NOT USE THE FORUM FOR REPORTING PROBLEMS OR
ASKING FOR HELP WITH PROBLEMS.<br>
</b></font><br>
Otherwise, please post your question or problem to the <a
href="mailto:shorewall-users@lists.shorewall.net">Shorewall users mailing
list</a> .</p>
<p> To Subscribe to the mailing list go to <a <p> To Subscribe to the mailing list go to <a
href="http://lists.shorewall.net/mailman/listinfo/shorewall-users">http://lists.shorewall.net/mailman/listinfo/shorewall-users</a> href="http://lists.shorewall.net/mailman/listinfo/shorewall-users">http://lists.shorewall.net/mailman/listinfo/shorewall-users</a>
.<br> .<br>
</p> </p>
</blockquote> </blockquote>
<p>For information on other Shorewall mailing lists, go to <a <p>For information on other Shorewall mailing lists, go to <a
href="http://lists.shorewall.net">http://lists.shorewall.net</a><br> href="http://lists.shorewall.net">http://lists.shorewall.net</a><br>
</p> </p>
<p align="left"><font size="2">Last Updated 5/19/2003 - Tom Eastep</font></p> <p align="left"><font size="2">Last Updated 6/14/2003 - Tom Eastep</font></p>
<p align="left"><font face="Trebuchet MS"><a href="copyright.htm"> <font <p align="left"><font face="Trebuchet MS"><a href="copyright.htm"> <font
size="2">Copyright</font> © <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a></font><br> size="2">Copyright</font> © <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a></font><br>
</p> </p>