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Shorewall 1.4.5

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<html>
<head>
<title>MAC Verification</title>
<meta http-equiv="content-type"
content="text/html; charset=ISO-8859-1">
<meta name="author" content="Tom Eastep">
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber4"
bgcolor="#400169" height="90">
<tbody>
<tr>
<td width="100%">
<tbody>
<tr>
<td width="100%">
<h1 align="center"><font color="#ffffff">MAC Verification</font><br>
</h1>
<br>
</td>
</tr>
</tbody>
</h1>
<br>
</td>
</tr>
</tbody>
</table>
<br>
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,
each MAC address may be optionally associated with one or more IP addresses.
<br>
<br>
<b>Your kernel must include MAC match support (CONFIG_IP_NF_MATCH_MAC
- module name ipt_mac.o).</b><br>
<br>
There are four components to this facility.<br>
<br>
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,
each MAC address may be optionally associated with one or more IP addresses.
<br>
<br>
<b>Your kernel must include MAC match support (CONFIG_IP_NF_MATCH_MAC
- module name ipt_mac.o).</b><br>
<br>
There are four components to this facility.<br>
<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
this option is specified, all traffic arriving on the interface is subjet
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
is specified for a subnet, all traffic from that subnet is subject to MAC
verification.</li>
<li>The /etc/shorewall/maclist file. This file is used to associate
MAC addresses with interfaces and to optionally associate IP addresses
with MAC addresses.</li>
<li>The <b>MACLIST_DISPOSITION </b>and <b>MACLIST_LOG_LEVEL </b>variables
in <a href="Documentation.htm#Conf">/etc/shorewall/shorewall.conf.</a>
The MACLIST_DISPOSITION variable has the value DROP, REJECT or ACCEPT
is specified for a subnet, all traffic from that subnet is subject to
MAC verification.</li>
<li>The /etc/shorewall/maclist file. This file is used to associate
MAC addresses with interfaces and to optionally associate IP addresses
with MAC addresses.</li>
<li>The <b>MACLIST_DISPOSITION </b>and <b>MACLIST_LOG_LEVEL </b>variables
in <a href="Documentation.htm#Conf">/etc/shorewall/shorewall.conf.</a>
The MACLIST_DISPOSITION variable has the value DROP, REJECT or ACCEPT
and determines the disposition of connection requests that fail MAC verification.
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
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
value (e.g., MACLIST_LOG_LEVEL="") then failing connection requests are
not logged.<br>
</li>
</li>
</ol>
The columns in /etc/shorewall/maclist are:<br>
The columns in /etc/shorewall/maclist are:<br>
<ul>
<li>INTERFACE - The name of an ethernet interface on the Shorewall
system.</li>
<li>MAC - The MAC address of a device on the ethernet segment connected
by INTERFACE. It is not necessary to use the Shorewall MAC format 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
for the device whose MAC is listed in the MAC column.</li>
<li>INTERFACE - The name of an ethernet interface on the Shorewall
system.</li>
<li>MAC - The MAC address of a device on the ethernet segment
connected by INTERFACE. It is not necessary to use the Shorewall MAC format
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
for the device whose MAC is listed in the MAC column.</li>
</ul>
<h3>Example 1: Here are my files:</h3>
<b>/etc/shorewall/shorewall.conf:<br>
</b>
<b>/etc/shorewall/shorewall.conf:<br>
</b>
<pre> MACLIST_DISPOSITION=REJECT<br> MACLIST_LOG_LEVEL=info<br></pre>
<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>
<b>/etc/shorewall/maclist:</b><br>
<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>
As shown above, I use MAC Verification on my local zone.<br>
<b>/etc/shorewall/interfaces:</b><br>
<blockquote>
<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>
<b>/etc/shorewall/maclist:</b><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>
Suppose now that I add a second ethernet segment to my local 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
in the subnet 192.168.2.0/24. I would add the following entry to my /etc/shorewall/maclist
file:<br>
<pre> eth2 00:06:43:45:C6:15 192.168.1.253,192.168.2.0/24<br></pre>
This entry accomodates traffic from the router itself (192.168.1.253)
and from the second LAN segment (192.168.2.0/24). Remember that all traffic
being sent to my firewall from the 192.168.2.0/24 segment will be forwarded
by the router so that traffic's MAC address will be 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>
</font></p>
Suppose now that I add a second wireless segment to my wireless
zone and gateway that segment via a router with MAC address 00:06:43:45:C6:15
and IP address 192.168.3.253. Hosts in the second segment have IP addresses
in the subnet 192.168.4.0/24. I would add the following entry to my /etc/shorewall/maclist
file:<br>
<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 (192.168.3.253)
and from the second wireless segment (192.168.4.0/24). Remember that
all traffic being sent to my firewall from the 192.168.4.0/24 segment
will be forwarded by the router so that traffic's MAC address will be
that of the router (00:06:43:45:C6:15) and not that of the host sending
the traffic.
<p><font size="2"> Updated 6/10/2002 - <a href="support.htm">Tom Eastep</a>
</font></p>
<p><a href="copyright.htm"><font size="2">Copyright</font> &copy;
<font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p>
<font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p>
<br>
<br>
<br>
<br>
</body>

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<html>
<head>
<title>Shorewall Squid Usage</title>
<meta http-equiv="content-type"
content="text/html; charset=ISO-8859-1">
<meta name="author" content="Tom Eastep">
</head>
<body>
<table cellpadding="0" cellspacing="0" border="0" width="100%"
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>
<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 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 valign="top">BROADCAST<br>
</td>
<td valign="top">OPTIONS<br>
<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>
<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>
<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>
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>
</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>
</table>
<br>
</li>
<li>In /etc/shorewall/start add:<br>
</li>
<br>
</li>
<li>In /etc/shorewall/start add:<br>
</li>
</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>
</blockquote>
</blockquote>
<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>
<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>
<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>
</blockquote>
<blockquote>
</blockquote>
<blockquote>
<blockquote> </blockquote>
<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>
</blockquote>
</blockquote>
<blockquote> </blockquote>
<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 want to run both a web server and Squid on that system. Your DMZ
interface is eth1 and your local interface is eth2.<br>
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 interface
is eth1 and your local interface is eth2.<br>
<ul>
<li>On your firewall system, issue the following command<br>
</li>
<li>On your firewall system, issue the following command<br>
</li>
</ul>
<blockquote>
<blockquote>
<pre><font color="#009900"><b>echo 202 www.out &gt;&gt; /etc/iproute2/rt_tables</b></font><br></pre>
</blockquote>
</blockquote>
<ul>
<li>In /etc/shorewall/init, put:<br>
</li>
<li>In /etc/shorewall/init, put:<br>
</li>
</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>
</blockquote>
</blockquote>
<ul>
<li>&nbsp;Do<b> one </b>of the following:<br>
<br>
A) In /etc/shorewall/start add<br>
</li>
<li>&nbsp;Do<b> one </b>of the following:<br>
<br>
A) In /etc/shorewall/start add<br>
</li>
</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>
</blockquote>
<blockquote>B) Set MARK_IN_FORWARD_CHAIN=No in /etc/shorewall/shorewall.conf
</blockquote>
<blockquote>B) Set MARK_IN_FORWARD_CHAIN=No in /etc/shorewall/shorewall.conf
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<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>
</blockquote>
<blockquote>
<blockquote>
<table cellpadding="2" border="1" cellspacing="0">
<tbody>
<tr>
@ -402,7 +375,7 @@ interface is eth1 and your local interface is eth2.<br>
</td>
</tr>
<tr>
<td valign="top">202:P<br>
<td valign="top">202<br>
</td>
<td valign="top">eth2<br>
</td>
@ -415,104 +388,144 @@ interface is eth1 and your local interface is eth2.<br>
<td valign="top">-<br>
</td>
</tr>
</tbody>
</tbody>
</table>
</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>
<li>In /etc/shorewall/rules, you will need:</li>
<li>In /etc/shorewall/rules, you will need:</li>
</ul>
<blockquote>
<blockquote>
<table cellpadding="2" border="1" cellspacing="0">
<tbody>
<tr>
<td valign="top">ACTION<br>
</td>
<td valign="top">SOURCE<br>
</td>
<td valign="top">DEST<br>
</td>
<td valign="top">PROTO<br>
</td>
<td valign="top">DEST<br>
PORT(S)<br>
</td>
<td valign="top">CLIENT<br>
PORT(2)<br>
</td>
<td valign="top">ORIGINAL<br>
DEST<br>
</td>
</tr>
<tr>
<td valign="top">ACCEPT<br>
</td>
<td valign="top">loc<br>
</td>
<td valign="top">dmz<br>
</td>
<td valign="top">tcp<br>
</td>
<td valign="top">80<br>
</td>
<td valign="top"><br>
</td>
<td valign="top"><br>
</td>
</tr>
<tr>
<td valign="top">ACCEPT<br>
</td>
<td valign="top">dmz<br>
</td>
<td valign="top">net<br>
</td>
<td valign="top">tcp<br>
</td>
<td valign="top">80<br>
</td>
<td valign="top"><br>
</td>
<td valign="top"><br>
</td>
</tr>
</tbody>
<tbody>
<tr>
<td valign="top">ACTION<br>
</td>
<td valign="top">SOURCE<br>
</td>
<td valign="top">DEST<br>
</td>
<td valign="top">PROTO<br>
</td>
<td valign="top">DEST<br>
PORT(S)<br>
</td>
<td valign="top">CLIENT<br>
PORT(2)<br>
</td>
<td valign="top">ORIGINAL<br>
DEST<br>
</td>
</tr>
<tr>
<td valign="top">ACCEPT<br>
</td>
<td valign="top">loc<br>
</td>
<td valign="top">dmz<br>
</td>
<td valign="top">tcp<br>
</td>
<td valign="top">80<br>
</td>
<td valign="top"><br>
</td>
<td valign="top"><br>
</td>
</tr>
<tr>
<td valign="top">ACCEPT<br>
</td>
<td valign="top">dmz<br>
</td>
<td valign="top">net<br>
</td>
<td valign="top">tcp<br>
</td>
<td valign="top">80<br>
</td>
<td valign="top"><br>
</td>
<td valign="top"><br>
</td>
</tr>
</tbody>
</table>
<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>
<br>
</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>
<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>
</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>
<a href="copyright.htm"><font size="2">Copyright</font> &copy;
<font size="2">2003 Thomas M. Eastep.</font></a><br>
<a href="copyright.htm"><font size="2">Copyright</font> &copy;
<font size="2">2003 Thomas M. Eastep.</font></a><br>
<br>
<br>
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<li> <a
</li>
<li> <a
href="troubleshoot.htm">Things to try if it doesn't work</a></li>
<li> <a
href="errata.htm">Errata</a></li>
<li> <a
href="upgrade_issues.htm">Upgrade Issues</a></li>
<li> <a
href="support.htm">Getting help or Answers to Questions</a>
</li>
<li><a
<li> <a
href="support.htm">Getting help or Answers to Questions</a>
</li>
<li><a
href="http://lists.shorewall.net">Mailing Lists</a> <br>
</li>
<li><a href="1.3" target="_top">Shorewall 1.3 Site</a></li>
<li><a
href="http://www1.shorewall.net/1.2/index.htm" target="_top">Shorewall 1.2
Site</a></li>
<li><a href="shorewall_mirrors.htm">Mirrors</a>
</li>
<li><a href="1.3" target="_top">Shorewall 1.3 Site</a></li>
<li><a
href="http://www1.shorewall.net/1.2/index.htm" target="_top">Shorewall
1.2 Site</a></li>
<li><a href="shorewall_mirrors.htm">Mirrors</a>
<ul>
<li><a target="_top"
href="http://slovakia.shorewall.net">Slovak Republic</a></li>
<li><a target="_top"
href="http://shorewall.infohiiway.com">Texas, USA</a></li>
<li><a 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://slovakia.shorewall.net">Slovak Republic</a></li>
<li><a
target="_top" href="http://shorewall.infohiiway.com">Texas, USA</a></li>
<li><a
target="_top" href="http://germany.shorewall.net">Germany</a></li>
<li><a target="_top"
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.greshko.com" target="_top">Taiwan</a><br>
</li>
<li><a
<li><a href="http://shorewall.syachile.cl"
target="_top">Chile</a></li>
<li><a href="http://shorewall.greshko.com"
target="_top">Taiwan</a><br>
</li>
<li><a
href="http://www.shorewall.net" target="_top">Washington State, USA</a><br>
</li>
</li>
</ul>
</li>
</ul>
<ul>
<li> <a href="News.htm">News
Archive</a></li>
<li> <a
href="Shorewall_CVS_Access.html">CVS Repository</a></li>
<li> <a href="quotes.htm">Quotes
from Users</a></li>
<li> <a
href="shoreline.htm">About the Author</a></li>
<li> <a
href="seattlefirewall_index.htm#Donations">Donations</a></li>
</ul>
</td>
</tr>
</tbody>
</table>
</li>
</ul>
<ul>
<li> <a
href="News.htm">News Archive</a></li>
<li> <a
href="Shorewall_CVS_Access.html">CVS Repository</a></li>
<li>GSLUG Presentation</li>
<ul>
<li><a href="GSLUG.htm">HTML</a></li>
<li><a href="GSLUG.ppt">PowerPoint</a><br>
</li>
</ul>
<li> <a
href="quotes.htm">Quotes from Users</a></li>
<li> <a
href="shoreline.htm">About the Author</a></li>
<li> <a
href="seattlefirewall_index.htm#Donations">Donations</a></li>
</ul>
</td>
</tr>
</tbody>
</table>
<p><a href="copyright.htm"><font size="2">Copyright</font> © <font
size="2">2001-2003 Thomas M. Eastep.</font></a><a
href="http://www.shorewall.net" target="_top"> </a></p>
<br>
<br>
<br>
<br>
size="2">2001-2003 Thomas M. Eastep.</font></a><br>
</p>
</body>
</html>

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@ -1,197 +1,192 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Language" content="en-us">
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>Download</title>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" bordercolor="#111111" width="100%"
id="AutoNumber1" bgcolor="#400169" height="90">
<tbody>
<tr>
<td width="100%">
<tbody>
<tr>
<td width="100%">
<h1 align="center"><font color="#ffffff">Shorewall Download</font></h1>
</td>
</tr>
</tbody>
</td>
</tr>
</tbody>
</table>
<p><b>I strongly urge you to read and print a copy of the <a
href="shorewall_quickstart_guide.htm">Shorewall QuickStart Guide</a>
for the configuration that most closely matches your own.<br>
</b></p>
href="shorewall_quickstart_guide.htm">Shorewall QuickStart Guide</a>
for the configuration that most closely matches your own.<br>
</b></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>
    <a
    <a
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>
</p>
<p>The documentation in HTML format is included in the .rpm and in the .tgz
packages below.</p>
<p> Once you've printed the appropriate QuickStart Guide, download <u>
one</u> of the modules:</p>
    <a href="rsync://slovakia.shorewall.net/shorewall/pdf/">rsync://slovakia.shorewall.net/shorewall/pdf/</a>
</p>
<p>The documentation in HTML format is included in the .rpm and in the
.tgz packages below.</p>
<p> Once you've printed the appropriate QuickStart Guide, download <u>
one</u> of the modules:</p>
<ul>
<li>If you run a <b>RedHat</b>, <b>SuSE, Mandrake</b>,
<b> Linux PPC</b> or <b> TurboLinux</b> distribution
with a 2.4 kernel, you can use the RPM version (note: the
RPM should also work with other distributions that store
init scripts in /etc/init.d and that include chkconfig or
<li>If you run a <b>RedHat</b>, <b>SuSE, Mandrake</b>,
<b> Linux PPC</b> or <b> TurboLinux</b> distribution
with a 2.4 kernel, you can use the RPM version (note: the
RPM should also work with other distributions that store
init scripts in /etc/init.d and that include chkconfig or
insserv). If you find that it works in other cases, let <a
href="mailto:teastep@shorewall.net"> me</a> know so that
I can mention them here. See the <a href="Install.htm">Installation
Instructions</a> if you have problems installing the RPM.</li>
<li>If you are running LRP, download the .lrp file
(you might also want to download the .tgz so you will have a
href="mailto:teastep@shorewall.net"> me</a> know so that
I can mention them here. See the <a href="Install.htm">Installation
Instructions</a> if you have problems installing the RPM.</li>
<li>If you are running LRP, download the .lrp file
(you might also want to download the .tgz so you will have a
copy of the documentation).</li>
<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
the <a href="http://packages.debian.org/testing/net/shorewall.html">Debian
Testing Branch</a> and the <a
href="http://packages.debian.org/unstable/net/shorewall.html">Debian Unstable
<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
the <a
href="http://packages.debian.org/testing/net/shorewall.html">Debian
Testing Branch</a> and the <a
href="http://packages.debian.org/unstable/net/shorewall.html">Debian Unstable
Branch</a>.</li>
<li>Otherwise, download the <i>shorewall</i>
module (.tgz)</li>
<li>Otherwise, download the <i>shorewall</i>
module (.tgz)</li>
</ul>
<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
.rpm will install the documentation in your default document directory which
can be obtained using the following command:<br>
</p>
<blockquote>
<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
.rpm will install the documentation in your default document directory
which can be obtained using the following command:<br>
</p>
<blockquote>
<p><font color="#009900"><b>rpm --eval '%{defaultdocdir}'</b></font></p>
</blockquote>
<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
that you have downloaded.</p>
<p><font color="#ff0000"><b>WARNING - YOU CAN <u>NOT</u> SIMPLY INSTALL
THE RPM AND ISSUE A "shorewall start" COMMAND. SOME CONFIGURATION IS
REQUIRED BEFORE THE FIREWALL WILL START. Once you have completed configuration
</blockquote>
<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
that you have downloaded.</p>
<p><font color="#ff0000"><b>WARNING - YOU CAN <u>NOT</u> SIMPLY INSTALL
THE RPM AND ISSUE A "shorewall start" COMMAND. SOME 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>
<p><b></b></p>
<p><b>Download Sites:</b></p>
<blockquote>
<blockquote>
<table border="2" cellpadding="2" style="border-collapse: collapse;">
<tbody>
<tr>
<td><b>SERVER LOCATION</b></td>
<td><b>DOMAIN</b></td>
<td><b>HTTP</b></td>
<td><b>FTP</b></td>
</tr>
<tr>
<td>SourceForge<br>
</td>
<td>sf.net</td>
<td><a
<tbody>
<tr>
<td><b>SERVER LOCATION</b></td>
<td><b>DOMAIN</b></td>
<td><b>HTTP</b></td>
<td><b>FTP</b></td>
</tr>
<tr>
<td>SourceForge<br>
</td>
<td>sf.net</td>
<td><a
href="http://sourceforge.net/project/showfiles.php?group_id=22587">Browse</a></td>
<td>N/A</td>
</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>
<td>N/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>
<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>
</tbody>
<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>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>
</blockquote>
</blockquote>
<p align="left"><b>CVS:</b></p>
<blockquote>
<blockquote>
<p align="left">The <a target="_top"
href="http://cvs.shorewall.net/Shorewall_CVS_Access.html">CVS repository
at cvs.shorewall.net</a> contains the latest snapshots of the each
Shorewall component. There's no guarantee that what you find there
will work at all.<br>
</p>
</blockquote>
href="http://cvs.shorewall.net/Shorewall_CVS_Access.html">CVS repository
at cvs.shorewall.net</a> contains the latest snapshots of the each
Shorewall component. There's no guarantee that what you find there
will work at all.<br>
</p>
</blockquote>
<p align="left"><font size="2">Last Updated 3/24/2003 - <a
href="support.htm">Tom Eastep</a></font></p>
<p><a href="copyright.htm"><font size="2">Copyright</font> © <font
size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p>
</p>
<br>
<br>
<br>
<br>

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@ -1,296 +1,350 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252">
<title>Shorewall 1.4 Errata</title>
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<meta name="Microsoft Theme" content="none">
<meta name="author" content="Tom Eastep">
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber1"
bgcolor="#400169" height="90">
<tbody>
<tr>
<td width="100%">
<tbody>
<tr>
<td width="100%">
<h1 align="center"><font color="#ffffff">Shorewall Errata/Upgrade Issues</font></h1>
</td>
</tr>
</tbody>
</td>
</tr>
</tbody>
</table>
<p align="center"> <b><u>IMPORTANT</u></b></p>
<ol>
<li>
<li>
<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 href="http://www.megaloman.com/%7Ehany/software/hd2u/"
a corrected script, be sure to run the script through
<u> <a
href="http://www.megaloman.com/%7Ehany/software/hd2u/"
style="text-decoration: none;"> dos2unix</a></u> after you have moved
it to your Linux system.</b></p>
</li>
<li>
it to your Linux system.</b></p>
</li>
<li>
<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
the archive, replace the 'firewall' script in the untarred directory
with the one you downloaded below, and then run install.sh.</b></p>
</li>
<li>
with the one you downloaded below, and then run install.sh.</b></p>
</li>
<li>
<p align="left"> <b>When the instructions say to install a corrected
firewall script in /usr/share/shorewall/firewall, you
may rename the existing file before copying in the new file.</b></p>
</li>
<li>
firewall script in /usr/share/shorewall/firewall, you
may rename the existing file before copying in the new file.</b></p>
</li>
<li>
<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.
For example, do NOT install the 1.3.9a firewall script if you are
running 1.3.7c.</font></b><br>
</p>
</li>
ON A RELEASE EARLIER THAN THE ONE THAT THEY ARE LISTED UNDER
BELOW. For example, do NOT install the 1.3.9a firewall script if
you are running 1.3.7c.</font></b><br>
</p>
</li>
</ol>
<ul>
<li><b><a href="upgrade_issues.htm">Upgrade
Issues</a></b></li>
<li><b><a href="#V1.4">Problems in Version 1.4</a></b><br>
</li>
<li> <b><a
<li><b><a href="upgrade_issues.htm">Upgrade
Issues</a></b></li>
<li><b><a href="#V1.4">Problems in Version 1.4</a></b><br>
</li>
<li> <b><a
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>
<li> <b><font
<li> <b><font
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
on RH7.2</a></font></b></li>
<li> <b><a
on RH7.2</a></font></b></li>
<li> <b><a
href="#Debug">Problems with kernels &gt;= 2.4.18 and RedHat
iptables</a></b></li>
<li><b><a href="#SuSE">Problems installing/upgrading
RPM on SuSE</a></b></li>
<li><b><a href="#Multiport">Problems with
iptables version 1.2.7 and MULTIPORT=Yes</a></b></li>
<li><b><a href="#NAT">Problems with RH Kernel 2.4.18-10
and NAT</a></b><br>
</li>
<li><b><a href="#SuSE">Problems installing/upgrading
RPM on SuSE</a></b></li>
<li><b><a href="#Multiport">Problems with
iptables version 1.2.7 and MULTIPORT=Yes</a></b></li>
<li><b><a href="#NAT">Problems with RH Kernel
2.4.18-10 and NAT</a></b></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>
<hr>
<hr>
<h2 align="left"><a name="V1.4"></a>Problems in Version 1.4</h2>
<h3></h3>
<h3>1.4.4<br>
</h3>
<h3>1.4.4b</h3>
<ul>
<li> If you have zone names that are 5 characters long, you may experience
problems starting Shorewall because the --log-prefix in a logging rule is
too long. Upgrade to Version 1.4.4a to fix this problem..</li>
<li>Shorewall is ignoring records in /etc/shorewall/routestopped that
have an empty second column (HOSTS). This problem may be corrected by installing
<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>
<h3>1.4.3</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>
<h3>1.4.4-1.4.4a</h3>
<ul>
<li>When an 'add' or 'delete' command is executed, a temporary directory
created in /tmp is not being removed. This problem may be corrected by installing
<a
href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.2/firewall"
<li>Log messages are being displayed on the system console even though
the log level for the console is set properly according to <a
href="FAQ.htm#faq16">FAQ 16</a>. This problem may be corrected by installing
<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
described ablve. <br>
described above.<br>
</li>
</ul>
<h3>1.4.1a, 1.4.1 and 1.4.0</h3>
<h3>1.4.4<br>
</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>
<li> If you have zone names that are 5 characters long, you may experience
problems starting Shorewall because the --log-prefix in a logging rule
is too long. Upgrade to Version 1.4.4a to fix this problem..</li>
</ul>
<h3>1.4.1</h3>
<h3>1.4.3</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>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>1.4.0</h3>
<h3>1.4.2</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>
<li>When an 'add' or 'delete' command is executed, a temporary directory
created in /tmp is not being removed. This problem may be corrected by
installing <a
href="ftp://ftp.shorewall.net/pub/shorewall/errata/1.4.2/firewall"
target="_top">this firewall script</a> in /usr/share/shorewall/firewall as
described above. <br>
</li>
</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>
<p align="left">The upgrade issues have moved to <a
href="upgrade_issues.htm">a separate page</a>.</p>
<hr>
<hr>
<h3 align="left"><a name="iptables"></a><font color="#660066"> Problem with
iptables version 1.2.3</font></h3>
<blockquote>
iptables version 1.2.3</font></h3>
<blockquote>
<p align="left">There are a couple of serious bugs in iptables 1.2.3 that
prevent it from working with Shorewall. Regrettably,
RedHat released this buggy iptables in RedHat 7.2. </p>
prevent it from working with Shorewall. Regrettably,
RedHat released this buggy iptables in RedHat 7.2. </p>
<p align="left"> I have built a <a
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
have also built an <a
corrected 1.2.3 rpm which you can download here</a>  and
I have also built an <a
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
running RedHat 7.1, you can install either of these RPMs
<b><u>before</u> </b>you upgrade to RedHat 7.2.</p>
running RedHat 7.1, you can install either of these RPMs
<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
has released an iptables-1.2.4 RPM of their own which you
can download from<font color="#ff6633"> <a
has released an iptables-1.2.4 RPM of their own which you
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>.
</font>I have installed this RPM on my firewall and it
works fine.</p>
</font>I have installed this RPM on my firewall and it
works fine.</p>
<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>
which corrects a problem with parsing of the --log-level
specification while this <a
which corrects a problem with parsing of the --log-level
specification while this <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>
<ul>
<li>cd iptables-1.2.3/extensions</li>
<li>patch -p0 &lt; <i>the-patch-file</i></li>
<li>cd iptables-1.2.3/extensions</li>
<li>patch -p0 &lt; <i>the-patch-file</i></li>
</ul>
</blockquote>
</blockquote>
<h3><a name="Debug"></a>Problems with kernels &gt;= 2.4.18 and
RedHat iptables</h3>
<blockquote>
<blockquote>
<p>Users who use RedHat iptables RPMs and who upgrade to kernel 2.4.18/19
may experience the following:</p>
<blockquote>
may experience the following:</p>
<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>
</blockquote>
</blockquote>
<p>The RedHat iptables RPM is compiled with debugging enabled but the
user-space debugging code was not updated to reflect recent changes in
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">
this iptables RPM</a>. If you are already running a 1.2.5
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>
</blockquote>
this iptables RPM</a>. If you are already running a 1.2.5
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>
</blockquote>
<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;=
2.2 yet you have a 2.4 kernel installed, simply use the "--nodeps"
option to rpm.</p>
2.2 yet you have a 2.4 kernel installed, simply use the
"--nodeps" option to rpm.</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>
<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
change to the syntax used to specify multiport match rules; as
a consequence, if you install iptables 1.2.7 you must
be running Shorewall 1.3.7a or later or:</p>
change to the syntax used to specify multiport match rules;
as a consequence, if you install iptables 1.2.7 you must
be running Shorewall 1.3.7a or later or:</p>
<ul>
<li>set MULTIPORT=No
in /etc/shorewall/shorewall.conf; or
</li>
<li>if you are
running Shorewall 1.3.6 you may
install <a
<li>set MULTIPORT=No
in /etc/shorewall/shorewall.conf;
or </li>
<li>if you
are running Shorewall 1.3.6 you may
install <a
href="http://www.shorewall.net/pub/shorewall/errata/1.3.6/firewall">
this firewall script</a> in /var/lib/shorewall/firewall
as described above.</li>
as described above.</li>
</ul>
<h3><a name="NAT"></a>Problems with RH Kernel 2.4.18-10 and NAT<br>
</h3>
/etc/shorewall/nat entries of the following form will
result in Shorewall being unable to start:<br>
<br>
</h3>
/etc/shorewall/nat entries of the following form
will result in Shorewall being unable to start:<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>
Error message is:<br>
Error message is:<br>
<pre>Setting up NAT...<br>iptables: Invalid argument<br>Terminated<br><br></pre>
The solution is to put "no" in the LOCAL column. 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
a new kernel configuraiton option; see <a
The solution is to put "no" in the LOCAL column.
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 a new kernel configuraiton option; see <a
href="Documentation.htm#NAT">http://www.shorewall.net/Documentation.htm#NAT</a><br>
<p><font size="2"> Last updated 5/27/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
<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><a href="copyright.htm"><font size="2">Copyright</font> © <font
size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p>

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@ -1,140 +1,153 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Language" content="en-us">
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>Shorewall Mailing Lists</title>
<meta name="Microsoft Theme" content="none">
</head>
<body>
<table height="90" bgcolor="#400169" id="AutoNumber1" width="100%"
style="border-collapse: collapse;" cellspacing="0" cellpadding="0"
border="0">
<tbody>
<tr>
<td width="33%" valign="middle"
align="left">
<tbody>
<tr>
<td width="33%" valign="middle"
align="left">
<h1 align="center"><a
href="http://www.centralcommand.com/linux_products.html"><img
src="images/Vexira_Antivirus_Logo.gif" alt="Vexira Logo" width="78"
height="79" align="left">
</a></h1>
<a
</a></h1>
<a
href="http://www.gnu.org/software/mailman/mailman.html"> <img
border="0" src="images/logo-sm.jpg" align="left" hspace="5" width="110"
height="35" alt="">
</a>
<p align="right"><font color="#ffffff"><b>  </b></font> </p>
</td>
<td valign="middle" width="34%" align="center">
</a>
<p align="right"><font color="#ffffff"><b>  </b></font><a
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>
</td>
<td valign="middle" width="33%"> <a
href="http://www.postfix.org/"> <img
src="images/postfix-white.gif" align="right" border="0" width="124"
height="66" alt="(Postfix Logo)">
</a><br>
</td>
<td valign="middle" width="33%">
<a href="http://www.postfix.org/"> <img
src="images/postfix-white.gif" align="right" border="0" width="158"
height="84" alt="(Postfix Logo)">
</a><br>
<div align="left"><a href="http://www.spamassassin.org"><img
src="images/ninjalogo.png" alt="" width="110" height="42" align="right"
border="0">
</a> </div>
<br>
<div align="right"><br>
<b><font color="#ffffff"><br>
   </font></b><br>
</div>
</td>
</tr>
</tbody>
</a> </div>
<br>
<div align="right"><b><font color="#ffffff"><br>
</font></b><br>
</div>
</td>
</tr>
</tbody>
</table>
<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
Guide</a>.<br>
</h1>
<p align="left">If you experience problems with any of these lists, please
let <a href="mailto:postmaster@shorewall.net">me</a> know</p>
<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
Guide</a>.<br>
</h1>
<p align="left">If you experience problems with any of these lists, please
let <a href="mailto:postmaster@shorewall.net">me</a> know</p>
<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
at hotmail dot com.</p>
<p align="left">You can report such problems by sending mail to tmeastep at
hotmail dot com.</p>
<h2>A Word about the SPAM Filters at Shorewall.net <a
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">
<option value="and">All </option>
<option value="or">Any </option>
<option value="boolean">Boolean </option>
</select>
Format:
Format:
<select name="format">
<option value="builtin-long">Long </option>
<option value="builtin-short">Short </option>
</select>
Sort by:
Sort by:
<select name="sort">
<option value="score">Score </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="revtitle">Reverse Title </option>
</select>
</font> <input type="hidden" name="config"
</font> <input type="hidden" name="config"
value="htdig"> <input type="hidden" name="restrict"
value="[http://lists.shorewall.net/pipermail/.*]"> <input type="hidden"
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>
</form>
<h2 align="left"><font color="#ff0000">Please do not try to download the
entire Archive -- it is 75MB (and growing daily) and my slow DSL line simply
won't stand the traffic. If I catch you, you will be blacklisted.<br>
</font></h2>
</form>
<h2 align="left"><font color="#ff0000">Please do not try to download the entire
Archive -- it is 75MB (and growing daily) and my slow DSL line simply won't
stand the traffic. If I catch you, you will be blacklisted.<br>
</font></h2>
<h2 align="left">Shorewall CA Certificate</h2>
If you want to trust X.509 certificates issued by
Shoreline Firewall (such as the one used on my web site), 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
you can either use unencrypted access when subscribing to Shorewall
mailing lists or you can use secure access (SSL) and accept the server's
certificate when prompted by your browser.<br>
If you want to trust X.509 certificates issued
by Shoreline Firewall (such as the one used on my web site),
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 you can either use unencrypted access when subscribing to
Shorewall mailing lists or you can use secure access (SSL) and
accept the server's certificate when prompted by your browser.<br>
<h2 align="left">Shorewall Users Mailing List</h2>
<p align="left">The Shorewall Users Mailing list provides a way for users
to get answers to questions and to report problems. Information
of general interest to the Shorewall user community is also posted
to this list.</p>
<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
guidelines</a>.</b></p>
<p align="left">The Shorewall Users Mailing list provides a way for users
to get answers to questions and to report problems. Information
of general interest to the Shorewall user community is also
posted to this list.</p>
<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 guidelines</a>.</b></p>
<p align="left">To subscribe to the mailing list:<br>
</p>
</p>
<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>
<li><b>SSL:</b> <a
<li><b>SSL:</b> <a
href="https://lists.shorewall.net/mailman/listinfo/shorewall-users"
target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-users</a></li>
</ul>
<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>
<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>
<p align="left">Note that prior to 1/1/2002, the mailing list was hosted at
<a href="http://sourceforge.net">Sourceforge</a>. The archives from that list
may be found at <a
<p align="left">Note that prior to 1/1/2002, the mailing list was hosted
at <a href="http://sourceforge.net">Sourceforge</a>. The archives from that
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>
<h2 align="left">Shorewall Announce Mailing List</h2>
<p align="left">This list is for announcements of general interest to the
Shorewall community. To subscribe:<br>
</p>
<p align="left">This list is for announcements of general interest to the
Shorewall community. To subscribe:<br>
</p>
<p align="left"></p>
<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>
<li><b>SSL</b>: <a
<li><b>SSL</b>: <a
href="https://lists.shorewall.net/mailman/listinfo/shorewall-announce"
target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-announce.</a></li>
</ul>
<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>
<h2 align="left">Shorewall Development Mailing List</h2>
<p align="left">The Shorewall Development Mailing list provides a forum for
the exchange of ideas about the future of Shorewall and for coordinating
ongoing Shorewall Development.</p>
<p align="left">The Shorewall Development Mailing list provides a forum for
the exchange of ideas about the future of Shorewall and for
coordinating ongoing Shorewall Development.</p>
<p align="left">To subscribe to the mailing list:<br>
</p>
</p>
<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>
<li><b>SSL:</b> <a
<li><b>SSL:</b> <a
href="https://lists.shorewall.net/mailman/listinfo/shorewall-devel"
target="_top">https//lists.shorewall.net/mailman/listinfo/shorewall-devel.</a></li>
</ul>
<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>
<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>
<h2 align="left"><a name="Unsubscribe"></a>How to Unsubscribe from one of
the Mailing Lists</h2>
<p align="left">There seems to be near-universal confusion about unsubscribing
from Mailman-managed lists although Mailman 2.1 has attempted
to make this less confusing. To unsubscribe:</p>
<h2 align="left"><a name="Unsubscribe"></a>How to Unsubscribe from one of
the Mailing Lists</h2>
<p align="left">There seems to be near-universal confusion about unsubscribing
from Mailman-managed lists although Mailman 2.1 has attempted
to make this less confusing. To unsubscribe:</p>
<ul>
<li>
<p align="left">Follow the same link above that you used to subscribe
to the list.</p>
</li>
<li>
<p align="left">Down at the bottom of that page is the following text:
" To <b>unsubscribe</b> from <i>&lt;list name&gt;</i>, get a
password reminder, or change your subscription options enter
your subscription email address:". Enter your email address
in the box and click on the "<b>Unsubscribe</b> or edit options" button.</p>
</li>
<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>
<li>
<p align="left">Follow the same link above that you used to subscribe
to the list.</p>
</li>
<li>
<p align="left">Down at the bottom of that page is the following text:
" To <b>unsubscribe</b> from <i>&lt;list name&gt;</i>, get
a password reminder, or change your subscription options enter
your subscription email address:". Enter your email address
in the box and click on the "<b>Unsubscribe</b> or edit options"
button.</p>
</li>
<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>
<hr>
<hr>
<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"><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>
<p align="left"><a href="copyright.htm"> <font size="2">Copyright</font>
© <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p>
<br>
<br>
<p align="left"><a href="copyright.htm"> <font size="2">Copyright</font> ©
<font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p>
</body>
</html>

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<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252">
<title>Shoreline Firewall (Shorewall) 1.4</title>
<base
target="_self">
<base target="_self">
</head>
<body>
<table border="0" cellpadding="0" cellspacing="4"
style="border-collapse: collapse;" width="100%" id="AutoNumber3"
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
color="#ffffff"> <small><small><small>"iptables made easy"</small></small></small></font></i><a
href="1.3" target="_top"><font color="#ffffff"><br>
</font></a><br>
<h1><font color="#ffffff">Shorewall 1.4</font><i><font
color="#ffffff"> <small><small><small>"iptables made easy"</small></small></small></font></i></h1>
</td>
<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>
</div>
<p><a href="http://www.shorewall.net" target="_top"> </a> </p>
</td>
</tr>
</tbody>
</tbody>
</table>
<div align="center">
<center>
<div align="center">
<center>
<table border="0" cellpadding="0" cellspacing="0"
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>
<p>The Shoreline Firewall, more commonly known as "Shorewall", is a
<a href="http://www.netfilter.org">Netfilter</a> (iptables) based firewall
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
it
under the terms of <a
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>
<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>
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>
<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>
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>
@ -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>
If so, almost <b>NOTHING </b>on this site will apply directly to
your setup. If you want to use the documentation that you find here, 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
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>
If so, almost <b>NOTHING </b>on this site will apply directly
to your setup. If you want to use the documentation that you find here,
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 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>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)">
</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><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
</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>
<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>
<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>
<b>    New Features:<br>
</b>
</blockquote>
<b> New Features:<br>
</b>
<ol>
<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
nat table REDIRECT rule is added but not the companion filter table ACCEPT
rule.<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>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 nat table REDIRECT rule is added but not the companion filter
table ACCEPT rule.<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>5/10/2003 - Shorewall Mirror in Asia</b><b> </b><br>
<p><b>5/20/2003 - Shorewall-1.4.3a</b><br>
</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>
</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>
</p>
<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
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>
</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>
</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>
<blockquote>
<ol>
</ol>
</blockquote>
<p><a href="News.htm">More News</a></p>
<p> <a href="http://leaf.sourceforge.net" target="_top"><img
border="0" src="images/leaflogo.gif" width="49" height="36"
alt="(Leaf Logo)">
</a>Jacques Nilo and Eric Wolzak have
a LEAF (router/firewall/gateway on a floppy,
CD or compact flash) distribution called
<i>Bering</i> that features Shorewall-1.3.14
and Kernel-2.4.20. You can find their
work at: <a
</a>Jacques Nilo and Eric Wolzak
have a LEAF (router/firewall/gateway on
a floppy, CD or compact flash) distribution
called <i>Bering</i> that features
Shorewall-1.3.14 and Kernel-2.4.20. You
can find their work at: <a
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
of Bering 1.2!!! </b><br>
<b>Congratulations to Jacques and Eric on the recent release
of Bering 1.2!!! </b><br>
<h2><a name="Donations"></a>Donations</h2>
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<p align="center"><a href="http://www.starlight.org"> <img
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<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>
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<p><font size="2">Updated 5/27/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
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<br>
<br>
<p align="center"><font size="4" color="#ffffff"><br>
<font size="+2"> 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></font></p>
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<p><font size="2">Updated 6/17/2003 - <a href="support.htm">Tom Eastep</a></font>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252">
<title>About the Shorewall Author</title>
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<h1 align="center"><font color="#ffffff">Tom Eastep</font></h1>
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<p align="center"> <img border="3" src="images/TomNTarry.png"
alt="Tom on the PCT - 1991" width="316" height="392">
<p align="center"> <img border="3" src="images/Tom.jpg"
alt="Tom - June 2003" width="640" height="480">
</p>
<p align="center">Tom -- June 2003<br>
<br>
</p>
<p align="center">Tarry &amp; Tom -- August 2002<br>
<br>
</p>
<ul>
<li>Born 1945 in <a
<li>Born 1945 in <a
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>
<li>MA Mathematics from <a
<li>MA Mathematics from <a
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>
<li><a href="http://www.tandem.com">Tandem Computers,
Incorporated</a> (now part of the <a href="http://www.hp.com">The
New HP</a>) 1980 - present</li>
<li>Married 1969 - no children.</li>
<li><a href="http://www.tandem.com">Tandem Computers,
Incorporated</a> (now part of the <a
href="http://www.hp.com">The New HP</a>) 1980 - present</li>
<li>Married 1969 - no children.</li>
</ul>
<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
in 1999 and had DSL service installed in our home. I investigated
ipchains and developed the scripts which are now collectively known
as <a href="http://seawall.sourceforge.net"> Seattle Firewall</a>.
Expanding on what I learned from Seattle Firewall, I then designed
and wrote Shorewall. </p>
in 1999 and had DSL service installed in our home. I investigated
ipchains and developed the scripts which are now collectively known
as <a href="http://seawall.sourceforge.net"> Seattle Firewall</a>.
Expanding on what I learned from Seattle Firewall, I then
designed and wrote Shorewall. </p>
<p>I telework from our <a
href="http://lists.shorewall.net/SeattleInTheSpring.html">home</a> in <a
href="http://www.cityofshoreline.com">Shoreline, Washington</a> where
I live with my wife Tarry.  </p>
<p>Our current home network consists of: </p>
<ul>
<li>1.2Gz Athlon, Windows XP Pro, 320MB RAM, 40GB
&amp; 20GB IDE HDs and LNE100TX (Tulip) NIC - My personal Windows
system. Serves as a PPTP server for Road Warrior access. Dual boots <a
href="http://www.mandrakelinux.com">Mandrake</a> 9.0.</li>
<li>Celeron 1.4Gz, RH8.0, 384MB RAM, 60GB HD, LNE100TX(Tulip)
NIC - My personal Linux System which runs Samba configured
as a WINS server. This system also has <a
href="http://www.vmware.com/">VMware</a> installed and can run both
<a href="http://www.debian.org">Debian Woody</a> and <a
href="http://www.suse.com">SuSE 8.1</a> in virtual machines.</li>
<li>K6-2/350, RH8.0, 384MB RAM, 8GB IDE HD, EEPRO100
NIC  - Email (Postfix, Courier-IMAP and Mailman), HTTP (Apache), FTP
(Pure_ftpd), DNS server (Bind 9).</li>
<li>PII/233, RH8.0, 256MB MB RAM, 2GB SCSI HD -
3 LNE100TX  (Tulip) and 1 TLAN NICs  - Firewall running Shorewall
1.4.2  and a DHCP server.</li>
<li>Duron 750, Win ME, 192MB RAM, 20GB HD, RTL8139
NIC - My wife's personal system.</li>
<li>PII/400 Laptop, WinXP SP1, 224MB RAM, 12GB HD,
built-in EEPRO100, EEPRO100 in expansion base and LinkSys WAC11 - My
work system.</li>
<li>XP 2200 Laptop, WinXP SP1, 512MB RAM, 40GB HD, built-in NIC and LinkSys
WAC11 - Our Laptop.<br>
</li>
<li>1.2Gz Athlon, Windows XP Pro, 320MB RAM,
40GB &amp; 20GB IDE HDs and LNE100TX (Tulip) NIC - My personal
Windows system. Serves as a PPTP server for Road Warrior access. Dual
boots <a href="http://www.mandrakelinux.com">Mandrake</a> 9.0.</li>
<li>Celeron 1.4Gz, RH8.0, 384MB RAM, 60GB HD,
LNE100TX(Tulip) NIC - My personal Linux System which runs Samba.
This system also has <a href="http://www.vmware.com/">VMware</a>
installed and can run both <a href="http://www.debian.org">Debian
Woody</a> and <a href="http://www.suse.com">SuSE 8.1</a> in virtual
machines.</li>
<li>K6-2/350, RH8.0, 384MB RAM, 8GB IDE HD, EEPRO100
NIC  - Email (Postfix, Courier-IMAP and Mailman), HTTP (Apache),
FTP (Pure_ftpd), DNS server (Bind 9).</li>
<li>PII/233, RH8.0, 256MB MB RAM, 2GB SCSI HD
- 3 LNE100TX  (Tulip) and 1 TLAN NICs  - Firewall running Shorewall
1.4.4c, a DHCP server and Samba configured as a WINS server..</li>
<li>Duron 750, Win ME, 192MB RAM, 20GB HD, RTL8139
NIC - My wife's personal system.</li>
<li>PII/400 Laptop, WinXP SP1, 224MB RAM, 12GB
HD, built-in EEPRO100, EEPRO100 in expansion base - My work system.</li>
<li>XP 2200 Laptop, WinXP SP1, 512MB RAM, 40GB HD, built-in NIC and
LinkSys WET11 - Our Laptop.<br>
</li>
</ul>
<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
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.netgear.com">Netgear</a> FA310TXs.</p>
<p><a href="http://www.redhat.com"><img border="0"
src="images/poweredby.png" width="88" height="31">
</a><a href="http://www.compaq.com"><img border="0"
src="images/poweredbycompaqlog0.gif" hspace="3" width="83" height="25">
</a><a href="http://www.pureftpd.org"><img border="0"
src="images/pure.jpg" width="88" height="31">
</a><font size="4"><a href="http://www.apache.org"><img
border="0" src="images/apache_pb1.gif" hspace="2" width="170"
height="20">
</a><a href="http://www.mandrakelinux.com"><img
</a><a href="http://www.compaq.com"><img
border="0" src="images/poweredbycompaqlog0.gif" hspace="3" width="83"
height="25">
</a><a href="http://www.pureftpd.org"><img
border="0" src="images/pure.jpg" width="88" height="31">
</a><font size="4"><a
href="http://www.apache.org"><img border="0"
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"
height="32">
</a><img src="images/shorewall.jpg"
</a><img src="images/shorewall.jpg"
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">
</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"
height="75" border="0">
</a><a href="http://www.opera.com"> </a> </font></p>
<p><font size="2">Last updated 5/8/2003 - </font><font size="2"> <a
</a><a href="http://www.opera.com"> </a> </font></p>
<p><font size="2">Last updated 6/15/2003 - </font><font size="2"> <a
href="support.htm">Tom Eastep</a></font> </p>
<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>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<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>
<br>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<meta http-equiv="Content-Language" content="en-us">
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content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>Shorewall Mirrors</title>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" bordercolor="#111111" width="100%"
id="AutoNumber1" bgcolor="#400169" height="90">
<tbody>
<tr>
<td width="100%">
<tbody>
<tr>
<td width="100%">
<h1 align="center"><font color="#ffffff">Shorewall Mirrors</font></h1>
</td>
</tr>
</tbody>
</td>
</tr>
</tbody>
</table>
<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,
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>
<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,
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>
<p align="left">The main Shorewall Web Site is <a
href="http://shorewall.sf.net" target="_top">http://shorewall.sf.net</a>
and is located in California, USA. It is mirrored at:</p>
href="http://shorewall.sf.net" target="_top">http://shorewall.sf.net</a>
and is located in California, USA. It is mirrored at:</p>
<ul>
<li><a target="_top" href="http://slovakia.shorewall.net"> http://slovakia.shorewall.net</a>
(Slovak Republic).</li>
<li> <a href="http://www.infohiiway.com/shorewall"
<li><a target="_top" href="http://slovakia.shorewall.net"> http://slovakia.shorewall.net</a>
(Slovak Republic).</li>
<li> <a href="http://www.infohiiway.com/shorewall"
target="_top"> http://shorewall.infohiiway.com</a> (Texas, USA).</li>
<li><a target="_top" href="http://germany.shorewall.net"> http://germany.shorewall.net</a>
(Hamburg, Germany)</li>
<li><a target="_top" href="http://shorewall.correofuego.com.ar">http://shorewall.correofuego.com.ar</a>
(Martinez (Zona Norte - GBA), Argentina)</li>
<li><a target="_top" href="http://france.shorewall.net">http://france.shorewall.net</a>
(Paris, France)</li>
<li><a href="http://shorewall.syachile.cl" target="_top">http://shorewall.syachile.cl
</a>(Santiago Chile)<br>
</li>
<li><a href="http://www.shorewall.net" target="_top">http://www.shorewall.net</a>
(Washington State, USA)<br>
</li>
<li><a target="_top" href="http://germany.shorewall.net"> http://germany.shorewall.net</a>
(Hamburg, Germany)</li>
<li><a target="_top"
href="http://france.shorewall.net">http://france.shorewall.net</a>
(Paris, France)</li>
<li><a href="http://shorewall.syachile.cl" target="_top">http://shorewall.syachile.cl
</a>(Santiago Chile)</li>
<li><a href="http://shorewall.greshko.com" target="_top">http://shorewall.greshko.com</a>
(Taipei, Taiwan)<br>
</li>
<li><a href="http://www.shorewall.net" target="_top">http://www.shorewall.net</a>
(Washington State, USA)<br>
</li>
</ul>
<p align="left">The rsync site is mirrored via FTP at:</p>
<ul>
<li><a target="_blank"
href="ftp://slovakia.shorewall.net/mirror/shorewall/">ftp://slovakia.shorewall.net/mirror/shorewall</a>
(Slovak Republic).</li>
<li> <a
href="ftp://ftp.infohiiway.com/pub/mirrors/shorewall/" target="_blank">ftp://ftp.infohiiway.com/pub/shorewall</a>
(Texas, USA).</li>
<li><a target="_blank"
href="ftp://germany.shorewall.net/pub/shorewall"> ftp://germany.shorewall.net/pub/shorewall</a>
(Hamburg, Germany)</li>
<li> <a target="_blank"
href="ftp://shorewall.correofuego.com.ar/pub/mirrors/shorewall">ftp://shorewall.correofuego.com.ar/pub/mirrors/shorewall</a>
(Martinez (Zona Norte - GBA), Argentina)</li>
<li> <a target="_blank"
href="ftp://france.shorewall.net/pub/mirrors/shorewall">ftp://france.shorewall.net/pub/mirrors/shorewall</a>
(Paris, France)</li>
<li><a target="_blank"
href="ftp://slovakia.shorewall.net/mirror/shorewall/">ftp://slovakia.shorewall.net/mirror/shorewall</a>
(Slovak Republic).</li>
<li> <a
href="ftp://ftp.infohiiway.com/pub/mirrors/shorewall/" target="_blank">ftp://ftp.infohiiway.com/pub/shorewall</a>
(Texas, USA).</li>
<li><a target="_blank"
href="ftp://germany.shorewall.net/pub/shorewall"> ftp://germany.shorewall.net/pub/shorewall</a>
(Hamburg, Germany)</li>
<li> <a target="_blank"
href="ftp://france.shorewall.net/pub/mirrors/shorewall">ftp://france.shorewall.net/pub/mirrors/shorewall</a>
(Paris, France)</li>
<li><a href="ftp://shorewall.greshko.com/pub/shorewall" target="_top">ftp://shorewall.greshko.com</a>
(Taipei, Taiwan)</li>
<li><a href="ftp://ftp.shorewall.net/pub/shorewall" target="_blank">ftp://ftp.shorewall.net
</a>(Washington State, USA)<br>
</li>
</ul>
Search results and the mailing list archives are always fetched from the
site in Washington State.<br>
<p align="left"><font size="2">Last Updated 5/8/2003 - <a
Search results and the mailing list archives are always fetched from
the site in Washington State.<br>
<p align="left"><font size="2">Last Updated 6/5/2003 - <a
href="support.htm">Tom Eastep</a></font></p>
<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>
<br>
<br>
<br>
<br>
<br>
<br>
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<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252">
<title>Shoreline Firewall (Shorewall) 1.3</title>
<base
target="_self">
<base target="_self">
</head>
<body>
<table border="0" cellpadding="0" cellspacing="4"
style="border-collapse: collapse;" width="100%" id="AutoNumber3"
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">
<h1><font color="#ffffff">Shorewall 1.4</font><i><font
color="#ffffff"> <small><small><small>"iptables made easy"</small></small></small></font></i></h1>
</td>
<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
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>
</tbody>
</table>
<div align="center">
<center>
<div align="center">
<center>
<table border="0" cellpadding="0" cellspacing="0"
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>
<p>The Shoreline Firewall, more commonly known as "Shorewall", is
a <a href="http://www.netfilter.org">Netfilter</a>
(iptables) based firewall that can be used
on a dedicated firewall system, a multi-function
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>The Shoreline Firewall, more commonly known as "Shorewall", is
a <a href="http://www.netfilter.org">Netfilter</a>
(iptables) based firewall that can be used
on a dedicated firewall system, a multi-function
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>
<h2>Running Shorewall on Mandrake with a two-interface setup?</h2>
If so, almost <b>NOTHING </b>on this site will apply directly to
your setup. If you want to use the documentation that you find here, 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
QuickStart Guide</a> for details.<br>
If so, almost <b>NOTHING </b>on this site will apply directly
to your setup. If you want to use the documentation that you find here,
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
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>
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><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)">
</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><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
</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>
</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>
<b>    New Features:<br>
</b>
</blockquote>
<b>    New Features:<br>
</b>
<ol>
<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
nat table REDIRECT rule is added but not the companion filter table ACCEPT
rule.<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.</li>
<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
nat table REDIRECT rule is added but not the companion filter table ACCEPT
rule.<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.</li>
</ol>
<p><b>5/20/2003 - Shorewall-1.4.3a</b><b> </b><b>
</b><br>
</p>
This version primarily corrects the documentation included in the .tgz
and in the .rpm. In addition: <br>
<p><b>5/20/2003 - Shorewall-1.4.3a</b><b> </b><b>
</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>
<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>
</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"> </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>
<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>
<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>
</p>
</ol>
<p><b>4/21/2003 - Samples updated for Shorewall version 1.4.2</b><b>
</b></p>
<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 Francesca Smith, the sample configurations are now upgraded
to Shorewall version 1.4.2.</p>
<p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br>
</p>
<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation</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>
<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"
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.</blockquote>
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.</blockquote>
<p><b></b></p>
<blockquote>
<blockquote>
<ol>
</ol>
</blockquote>
</blockquote>
<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>
<b> </b>
<b> </b>
<h2><b> </b></h2>
<b> </b>
<b> </b>
<p> <a href="http://leaf.sourceforge.net" target="_top"><img
border="0" src="images/leaflogo.gif" width="49" height="36"
alt="(Leaf Logo)">
</a>Jacques Nilo and Eric Wolzak have
a LEAF (router/firewall/gateway on a floppy,
CD or compact flash) distribution called
<i>Bering</i> that features
Shorewall-1.3.14 and Kernel-2.4.20. You can find
their work at: <a
</a>Jacques Nilo and Eric Wolzak
have a LEAF (router/firewall/gateway
on a floppy, CD or compact flash) distribution
called <i>Bering</i> that features
Shorewall-1.3.14 and Kernel-2.4.20. You
can find their work at: <a
href="http://leaf.sourceforge.net/devel/jnilo"> http://leaf.sourceforge.net/devel/jnilo</a></p>
<b>Congratulations to Jacques and Eric
on the recent release of Bering 1.2!!! </b><br>
<b>Congratulations to Jacques and
Eric on the recent release of Bering 1.2!!!
</b><br>
<h1 align="center"><b><a href="http://www.sf.net"><img
align="left" alt="SourceForge Logo"
src="http://sourceforge.net/sflogo.php?group_id=22587&amp;type=3">
</a></b></h1>
<b> </b>
</a></b></h1>
<b> </b>
<h4><b> </b></h4>
<b> </b>
<b> </b>
<h2><b>This site is hosted by the generous folks at <a
href="http://www.sf.net">SourceForge.net</a> </b></h2>
<b> </b>
<b> </b>
<h2><b><a name="Donations"></a>Donations</b></h2>
<b> </b></td>
<b> </b></td>
<td width="88" bgcolor="#4b017c" valign="top"
align="center">
<td width="88" bgcolor="#4b017c" valign="top"
align="center">
<form method="post"
action="http://lists.shorewall.net/cgi-bin/htsearch">
action="http://lists.shorewall.net/cgi-bin/htsearch">
<p><strong><br>
<font color="#ffffff"><b>Note: </b></font></strong>
<font color="#ffffff">Search is unavailable Daily 0200-0330
GMT.</font><br>
 </p>
<font color="#ffffff"><b>Note: </b></font></strong>
<font color="#ffffff">Search is unavailable Daily 0200-0330
GMT.</font><br>
 </p>
<p><font color="#ffffff"><strong>Quick Search</strong></font><br>
<font face="Arial" size="-1"> <input
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<td width="100%" style="margin-top: 1px;">
<td width="100%" style="margin-top: 1px;">
<p align="center"><a href="http://www.starlight.org"> <img
border="4" src="images/newlog.gif" width="57" height="100" align="left"
hspace="10">
</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>
<p align="center"><font size="4" color="#ffffff"><br>
<font size="+2">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></font></p>
</td>
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</table>
<p><font size="2">Updated 5/27/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
</p>
<br>
<br>
<br>
<p><font size="2">Updated 6/17/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
</p>
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@ -1,81 +1,81 @@
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content="text/html; charset=windows-1252">
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<h1 align="center"><font color="#ffffff">Shorewall Support Guide<img
src="images/obrasinf.gif" alt="" width="90" height="90" align="middle">
</font></h1>
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<h2>Before Reporting a Problem or Asking a Question<br>
</h2>
There
are a number of sources of Shorewall information. Please try these
before you post.
</h2>
There
are a number of sources of Shorewall information. Please try these
before you post.
<ul>
<li>Shorewall versions earlier
that 1.3.0 are no longer supported.<br>
</li>
<li>More than half of the questions posted on the support
list have answers directly accessible from the <a
href="http://www.shorewall.net/shorewall_quickstart_guide.htm#Documentation">Documentation
Index</a><br>
</li>
<li>
The <a href="http://www.shorewall.net/FAQ.htm">FAQ</a> has
solutions to more than 20 common problems. </li>
<li> The
<a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a>
Information contains a number of tips to help
you solve common problems. </li>
<li> The
<a href="http://www.shorewall.net/errata.htm"> Errata</a> has links
to download updated components. </li>
<li> The Site
and Mailing List Archives search facility can locate documents
and posts about similar problems: </li>
<li>Shorewall versions earlier
that 1.3.0 are no longer supported.<br>
</li>
<li>More than half of the questions posted on the support
list have answers directly accessible from the <a
href="http://www.shorewall.net/shorewall_quickstart_guide.htm#Documentation">Documentation
Index</a><br>
</li>
<li>
The <a href="http://www.shorewall.net/FAQ.htm">FAQ</a> has
solutions to more than 20 common problems. </li>
<li> The
<a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a>
Information contains a number of tips to
help you solve common problems. </li>
<li> The
<a href="http://www.shorewall.net/errata.htm"> Errata</a> has links
to download updated components. </li>
<li> The
Site and Mailing List Archives search facility can locate
documents and posts about similar problems: </li>
</ul>
<h2>Site and Mailing List Archive Search</h2>
<blockquote>
<blockquote>
<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:
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<option value="and">All </option>
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<option value="boolean">Boolean </option>
</select>
Format:
Format:
<select name="format">
<option value="builtin-long">Long </option>
<option value="builtin-short">Short </option>
</select>
Sort by:
Sort by:
<select name="sort">
<option value="score">Score </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="revtitle">Reverse Title </option>
</select>
</font><input type="hidden" name="config"
</font><input type="hidden" name="config"
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">
<option value="">Yes</option>
<option value="[http://lists.shorewall.net/pipermail/.*]">No</option>
</select>
</font><br>
Search: <input type="text" size="30" name="words"
</font><br>
Search: <input type="text" size="30" name="words"
value=""> <input type="submit" value="Search"><br>
</form>
</blockquote>
</form>
</blockquote>
<h2>Problem Reporting Guidelines<br>
</h2>
</h2>
<ul>
<li>Please remember we only know what
is posted in your message. Do not leave out any information
that appears to be correct, or was mentioned in a previous post.
There have been countless posts by people who were sure that
some part of their configuration was correct when it actually
contained a small error. We tend to be skeptics where detail is
lacking.<br>
<br>
</li>
<li>Please keep in mind that you're
asking for <strong>free</strong> technical support. Any
help we offer is an act of generosity, not an obligation. Try
to make it easy for us to help you. Follow good, courteous practices
in writing and formatting your e-mail. Provide details that we need
if you expect good answers. <em>Exact quoting </em> of error messages,
log entries, command output, and other output is better than a paraphrase
or summary.<br>
<br>
</li>
<li>
Please don't describe your environment and then ask us
to send you custom configuration files. We're here
to answer your questions but we can't do your
job for you.<br>
<br>
</li>
<li>When reporting a problem, <strong>ALWAYS</strong>
include this information:</li>
<li>Please remember we only know
what is posted in your message. Do not leave out any information
that appears to be correct, or was mentioned in a previous
post. There have been countless posts by people who were sure
that some part of their configuration was correct when it actually
contained a small error. We tend to be skeptics where detail
is lacking.<br>
<br>
</li>
<li>Please keep in mind that you're
asking for <strong>free</strong> technical support.
Any help we offer is an act of generosity, not an obligation.
Try to make it easy for us to help you. Follow good, courteous
practices in writing and formatting your e-mail. Provide details that
we need if you expect good answers. <em>Exact quoting </em> of
error messages, log entries, command output, and other output is better
than a paraphrase or summary.<br>
<br>
</li>
<li>
Please don't describe your environment and then ask
us to send you custom configuration files. We're
here to answer your questions but we can't do
your job for you.<br>
<br>
</li>
<li>When reporting a problem, <strong>ALWAYS</strong>
include this information:</li>
</ul>
<ul>
<ul>
<li>the exact version of Shorewall
you are running.<br>
<br>
<b><font color="#009900">shorewall
version</font><br>
</b> <br>
</li>
<li>the exact version of Shorewall
you are running.<br>
<br>
<b><font color="#009900">shorewall
version</font><br>
</b> <br>
</li>
</ul>
<ul>
<li>the exact kernel version you
are running<br>
<br>
<font color="#009900"><b>uname
-a<br>
<br>
</b></font></li>
<li>the exact kernel version you
are running<br>
<br>
<font color="#009900"><b>uname
-a<br>
<br>
</b></font></li>
</ul>
<ul>
<li>the complete, exact output of<br>
<br>
<font color="#009900"><b>ip addr
show<br>
<br>
</b></font></li>
<li>the complete, exact output
of<br>
<br>
<font color="#009900"><b>ip
addr show<br>
<br>
</b></font></li>
</ul>
<ul>
<li>the complete, exact output of<br>
<br>
<font color="#009900"><b>ip route
show<br>
<br>
</b></font></li>
<li>the complete, exact output
of<br>
<br>
<font color="#009900"><b>ip
route show<br>
<br>
</b></font></li>
</ul>
<ul>
<li>If your kernel is modularized,
the exact output from<br>
<br>
<font color="#009900"><b>lsmod</b></font><br>
</li>
<li>If your kernel is modularized,
the exact output from<br>
<br>
<font color="#009900"><b>lsmod</b></font><br>
</li>
</ul>
</ul>
<ul>
<ul>
<li><font color="#ff0000"><u><i><big><b>If you are having connection
problems of any kind then:</b></big></i></u></font><br>
<br>
1. <b><font color="#009900">/sbin/shorewall/reset</font></b><br>
<br>
2. Try the connection that is failing.<br>
<br>
3.<b><font color="#009900"> /sbin/shorewall status
&gt; /tmp/status.txt</font></b><br>
<br>
4. Post the /tmp/status.txt file as an attachment.<br>
<br>
</li>
<li>the exact wording of any <code
<li><font color="#ff0000"><u><i><big><b>If you are having
connection problems of any kind then:</b></big></i></u></font><br>
<br>
1. <b><font color="#009900">/sbin/shorewall reset</font></b><br>
<br>
2. Try the connection that is failing.<br>
<br>
3.<b><font color="#009900"> /sbin/shorewall status
&gt; /tmp/status.txt</font></b><br>
<br>
4. Post the /tmp/status.txt file as an attachment.<br>
<br>
</li>
<li>the exact wording of any <code
style="color: green; font-weight: bold;">ping</code> failure responses<br>
<br>
</li>
<li>If you installed Shorewall using one of the QuickStart
Guides, please indicate which one. <br>
<br>
</li>
<li><b>If you are running Shorewall under Mandrake using
the Mandrake installation of Shorewall, please say so.<br>
<br>
</b></li>
<br>
</li>
<li>If you installed Shorewall using one of the QuickStart
Guides, please indicate which one. <br>
<br>
</li>
<li><b>If you are running Shorewall under Mandrake using
the Mandrake installation of Shorewall, please say so.<br>
<br>
</b></li>
</ul>
<li>As
a general matter, please <strong>do not edit the diagnostic
information</strong> in an attempt to conceal your IP address,
netmask, nameserver addresses, domain name, etc. These aren't
secrets, and concealing them often misleads us (and 80% of the time,
a hacker could derive them anyway from information contained in
the SMTP headers of your post).<br>
<br>
<strong></strong></li>
<li>Do you see any "Shorewall" messages ("<b><font
color="#009900">/sbin/shorewall show log</font></b>") when
you exercise the function that is giving you problems? If
so, include the message(s) in your post along with a copy of your
/etc/shorewall/interfaces file.<br>
<br>
</li>
<li>Please include any of the Shorewall configuration
files (especially the /etc/shorewall/hosts file
if you have modified that file) that you think are
relevant. If you include /etc/shorewall/rules, please include
/etc/shorewall/policy as well (rules are meaningless unless
<li>As a general matter, please <strong>do not edit the diagnostic
information</strong> in an attempt to conceal your IP address,
netmask, nameserver addresses, domain name, etc. These aren't
secrets, and concealing them often misleads us (and 80% of the time,
a hacker could derive them anyway from information contained
in the SMTP headers of your post).<br>
<br>
<strong></strong></li>
<li>Do you see any "Shorewall" messages ("<b><font
color="#009900">/sbin/shorewall show log</font></b>") when
you exercise the function that is giving you problems? If
so, include the message(s) in your post along with a copy of your /etc/shorewall/interfaces
file.<br>
<br>
</li>
<li>Please include any of the Shorewall configuration
files (especially the /etc/shorewall/hosts file
if you have modified that file) that you think are
relevant. If you include /etc/shorewall/rules, please include
/etc/shorewall/policy as well (rules are meaningless unless
one also knows the policies).<br>
<br>
</li>
<li>If an error occurs when you try to "<font
color="#009900"><b>shorewall start</b></font>", include a trace
(See the <a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a>
section for instructions).<br>
<br>
</li>
<li><b>The list server limits posts to 120kb so don't
post GIFs of your network layout, etc.
to the Mailing List -- your post will be rejected.</b></li>
<br>
</li>
<li>If an error occurs when you try to "<font
color="#009900"><b>shorewall start</b></font>", include a trace
(See the <a href="http://www.shorewall.net/troubleshoot.htm">Troubleshooting</a>
section for instructions).<br>
<br>
</li>
<li><b>The list server limits posts to 120kb so don't
post GIFs of your network layout, etc.
to the Mailing List -- your post will be rejected.</b></li>
</ul>
<blockquote> The author gratefully acknowleges that the above list was
heavily plagiarized from the excellent LEAF document by <i>Ray</i>
<em>Olszewski</em> found at <a
<blockquote> The author gratefully acknowleges that the above list was
heavily plagiarized from the excellent LEAF document by <i>Ray</i>
<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>
</blockquote>
</blockquote>
<h2>When using the mailing list, please post in plain text</h2>
<blockquote> 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>(expletive
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.<br>
</blockquote>
<blockquote> 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>(expletive 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.<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>
<blockquote>
<blockquote>
<h4>If you run Shorewall under Bering -- <span
style="font-weight: 400;">please post your question or problem
to the <a
href="mailto:leaf-user@lists.sourceforge.net">LEAF Users mailing
list</a>.</span></h4>
<b>If you run Shorewall under MandrakeSoft
Multi Network Firewall (MNF) and you have not purchased
an MNF license from MandrakeSoft then you can post non MNF-specific
Shorewall questions to the </b><a
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>
<p>Otherwise, please post your question or problem to the <a
href="mailto:shorewall-users@lists.shorewall.net">Shorewall users mailing
list</a> .</p>
style="font-weight: 400;">please post your question or problem
to the <a
href="mailto:leaf-user@lists.sourceforge.net">LEAF Users mailing
list</a>.</span></h4>
<b>If you run Shorewall under
MandrakeSoft Multi Network Firewall (MNF) and you have
not purchased an MNF license from MandrakeSoft then you can
post non MNF-specific Shorewall questions to the </b><a
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>
<p>If you have a question, you may post it on the <a
href="http://www.developercube.com/forum/index.php?c=8">Shorewall Forum</a>:
<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
href="http://lists.shorewall.net/mailman/listinfo/shorewall-users">http://lists.shorewall.net/mailman/listinfo/shorewall-users</a>
.<br>
</p>
</blockquote>
href="http://lists.shorewall.net/mailman/listinfo/shorewall-users">http://lists.shorewall.net/mailman/listinfo/shorewall-users</a>
.<br>
</p>
</blockquote>
<p>For information on other Shorewall mailing lists, go to <a
href="http://lists.shorewall.net">http://lists.shorewall.net</a><br>
</p>
<p align="left"><font size="2">Last Updated 5/19/2003 - Tom Eastep</font></p>
</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
size="2">Copyright</font> © <font size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a></font><br>
</p>