Shorewall 1.4.3 Documentation

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@552 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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teastep 2003-05-18 18:27:36 +00:00
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@ -30,8 +30,8 @@
href="upgrade_issues.htm">Upgrade Issues<br>
</a></b></p>
<div align="left"><b>Before attempting installation, I strongly urge you to
read and print a copy of the <a
<div align="left"><b>Before attempting installation, 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.</b><br>
</div>
@ -71,16 +71,16 @@ diagnostic:<br>
<br>
<br>
This may be worked around by using the --nodeps option of rpm (rpm -ivh
--nodeps &lt;shorewall rpm&gt;).<br>
--nodeps &lt;shorewall rpm&gt;).<br>
<br>
</li>
<li>Edit the <a href="#Config_Files"> configuration files</a> to
match your configuration. <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. IF YOU ISSUE A "start" COMMAND
AND THE FIREWALL FAILS TO START, YOUR SYSTEM WILL NO LONGER ACCEPT ANY
NETWORK TRAFFIC. IF THIS HAPPENS, ISSUE A "shorewall clear" COMMAND TO
RESTORE NETWORK CONNECTIVITY.</b></font></li>
<li>Edit the <a href="#Config_Files"> configuration files</a>
to match your configuration. <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. IF YOU
ISSUE A "start" COMMAND AND THE FIREWALL FAILS TO START, YOUR SYSTEM
WILL NO LONGER ACCEPT ANY NETWORK TRAFFIC. IF THIS HAPPENS, ISSUE A "shorewall
clear" COMMAND TO RESTORE NETWORK CONNECTIVITY.</b></font></li>
<li>Start the firewall by typing "shorewall start"</li>
</ul>
@ -103,11 +103,11 @@ RESTORE NETWORK CONNECTIVITY.</b></font></li>
type "./install.sh /etc/init.d"</li>
<li>If your distribution has directory /etc/rc.d/init.d
or /etc/init.d then type "./install.sh"</li>
<li>For other distributions, determine where your distribution
installs init scripts and type "./install.sh &lt;init script
directory&gt;</li>
<li>Edit the <a href="#Config_Files"> configuration files</a> to
match your configuration.</li>
<li>For other distributions, determine where your
distribution installs init scripts and type "./install.sh
&lt;init script directory&gt;</li>
<li>Edit the <a href="#Config_Files"> configuration files</a>
to match your configuration.</li>
<li>Start the firewall by typing "shorewall start"</li>
<li>If the install script was unable to configure Shorewall to
be started automatically at boot, see <a
@ -117,34 +117,34 @@ be started automatically at boot, see <a
<p><a name="LRP"></a>To install my version of Shorewall on a fresh Bering
disk, simply replace the "shorwall.lrp" file on the image with the file
that you downloaded. See the <a href="two-interface.htm">two-interface QuickStart
Guide</a> for information about further steps required.</p>
that you downloaded. See the <a href="two-interface.htm">two-interface
QuickStart Guide</a> for information about further steps required.</p>
<p><a name="Upgrade_RPM"></a>If you already have the Shorewall RPM installed
and are upgrading to a new version:</p>
<p>If you are upgrading from a 1.2 version of Shorewall to a 1.4 version
or and you have entries in the /etc/shorewall/hosts file then please check
your /etc/shorewall/interfaces file to be sure that it contains an entry
<p>If you are upgrading from a 1.2 version of Shorewall to a 1.4 version or
and you have entries in the /etc/shorewall/hosts file then please check
your /etc/shorewall/interfaces file to be sure that it contains an entry
for each interface mentioned in the hosts file. Also, there are certain
1.2 rule forms that are no longer supported under 1.4 (you must use the
new 1.4 syntax). See <a href="errata.htm#Upgrade">the upgrade issues </a>for
details.</p>
new 1.4 syntax). See <a href="errata.htm#Upgrade">the upgrade issues </a>for
details.</p>
<ul>
<li>Upgrade the RPM (rpm -Uvh &lt;shorewall rpm file&gt;) <b>Note:
</b>If you are installing version 1.2.0 and have one of the 1.2.0
Beta RPMs installed, you must use the "--oldpackage" option to rpm
(e.g., "rpm -Uvh --oldpackage shorewall-1.2-0.noarch.rpm").
Beta RPMs installed, you must use the "--oldpackage" option to rpm (e.g.,
"rpm -Uvh --oldpackage shorewall-1.2-0.noarch.rpm").
<p> <b>Note1: </b>Some SuSE users have encountered a problem whereby
rpm reports a conflict with kernel &lt;= 2.2 even though a 2.4 kernel
is installed. If this happens, simply use the --nodeps option to rpm
(rpm -Uvh --nodeps &lt;shorewall rpm&gt;).<br>
(rpm -Uvh --nodeps &lt;shorewall rpm&gt;).<br>
<br>
<b>Note2: </b>Beginning with Shorewall 1.4.0, Shorewall is dependent
on the iproute package. Unfortunately, some distributions call this package
iproute2 which will cause the upgrade of Shorewall to fail with the diagnostic:<br>
on the iproute package. Unfortunately, some distributions call this package
iproute2 which will cause the upgrade of Shorewall to fail with the diagnostic:<br>
<br>
     error: failed dependencies:iproute is needed by shorewall-1.4.0-1
<br>
@ -159,16 +159,16 @@ iproute2 which will cause the upgrade of Shorewall to fail with the diagnostic:<
</ul>
<p><a name="Upgrade_Tarball"></a>If you already have Shorewall installed and
are upgrading to a new version using the tarball:</p>
<p><a name="Upgrade_Tarball"></a>If you already have Shorewall installed
and are upgrading to a new version using the tarball:</p>
<p>If you are upgrading from a 1.2 version of Shorewall to a 1.4 version and
you have entries in the /etc/shorewall/hosts file then please check your
/etc/shorewall/interfaces file to be sure that it contains an entry for
each interface mentioned in the hosts file.  Also, there are certain 1.2
rule forms that are no longer supported under 1.4 (you must use the new
1.4 syntax). See <a href="errata.htm#Upgrade">the upgrade issues</a> for
details. </p>
<p>If you are upgrading from a 1.2 version of Shorewall to a 1.4 version
and you have entries in the /etc/shorewall/hosts file then please check
your /etc/shorewall/interfaces file to be sure that it contains an entry
for each interface mentioned in the hosts file.  Also, there are certain
1.2 rule forms that are no longer supported under 1.4 (you must use the
new 1.4 syntax). See <a href="errata.htm#Upgrade">the upgrade issues</a>
for details. </p>
<ul>
<li>unpack the tarball (tar -zxf shorewall-x.y.z.tgz).</li>
@ -185,9 +185,9 @@ details. </p>
type "./install.sh /etc/init.d"</li>
<li>If your distribution has directory /etc/rc.d/init.d
or /etc/init.d then type "./install.sh"</li>
<li>For other distributions, determine where your distribution
installs init scripts and type "./install.sh &lt;init script
directory&gt;</li>
<li>For other distributions, determine where your
distribution installs init scripts and type "./install.sh
&lt;init script directory&gt;</li>
<li>See if there are any incompatibilities between your configuration
and the new Shorewall version (type "shorewall check") and correct as
necessary.</li>
@ -201,8 +201,8 @@ details. </p>
<h3><a name="Config_Files"></a>Configuring Shorewall</h3>
<p>You will need to edit some or all of the configuration files to match
your setup. In most cases, the <a href="shorewall_quickstart_guide.htm">Shorewall
<p>You will need to edit some or all of the configuration files to match your
setup. In most cases, the <a href="shorewall_quickstart_guide.htm">Shorewall
QuickStart Guides</a> contain all of the information you need.</p>
<ul>
@ -213,14 +213,7 @@ your setup. In most cases, the <a href="shorewall_quickstart_guide.htm">Shorewa
</font></p>
<p><a href="copyright.htm"><font size="2">Copyright</font> © <font
size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a></p>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
</p>
</body>
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@ -33,6 +33,7 @@
href="http://www.shorewall.net" target="_top"> </a></small></small></small></small>
<div align="center">
@ -46,10 +47,12 @@
</div>
<p><a href="http://www.shorewall.net" target="_top"> </a> </p>
</td>
</tr>
</tbody>
</table>
@ -67,9 +70,9 @@
<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
<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>
@ -77,23 +80,26 @@ firewall that can be used on a dedicated firewall system, a multi-functio
<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
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>
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>
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>
@ -105,39 +111,66 @@ should have received a copy of the GNU General
<h2><br>
Getting Started with Shorewall</h2>
<h2>Running Shorewall on Mandrake with a two-interface setup?</h2>
If so, almost <b>NOTHING </b>on this site will apply directly to 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>
<br>
<h2>News</h2>
<p><b>5/10/2003 - Shorewall Mirror in Asia </b><b><img border="0"
<p><b>5/18/2003 - Shorewall 1.4.3 </b><b><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
</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>Shorewall can now be easily integrated with fireparse (http://www.fireparse.com)
by setting LOGMARKER="fp=" in <a href="Documentation.htm#Conf">/etc/shorewall/shorewall.conf.</a>
Note: You may not use ULOG with fireparse unless you modify fireparse. </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><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
 </b></p>
<p><b>5/8/2003 - Shorewall Mirror in Chile</b><b>  </b></p>
<p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br>
</p>
<p><b>4/26/2003 - lists.shorewall.net Downtime </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
</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><b><img border="0" src="images/new10.gif" width="28"
height="12" alt="(New)">
</b></p>
@ -145,135 +178,23 @@ Getting Started with Shorewall</h2>
to Shorewall version 1.4.2.</p>
<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
<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
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>
well as does Opera 7.1.0). Neither Opera 6 nor Netscape work well to
view the presentation.<br>
</blockquote>
<p><b>4/9/2003 - Shorewall 1.4.2</b><b> </b><b> </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
</b><br>
</p>
<p><b> Problems Corrected:</b></p>
<p><b></b></p>
<blockquote>
<ol>
<li>TCP connection requests rejected out of the
<b>common</b> chain are now properly rejected with TCP
RST; previously, some of these requests were rejected with an ICMP
port-unreachable response.</li>
<li>'traceroute -I' from behind the firewall previously
timed out on the first hop (e.g., to the firewall). This has been
worked around.</li>
</ol>
</blockquote>
<p><b> New Features:</b></p>
<blockquote>
<ol>
<li>Where an entry in the/etc/shorewall/hosts file
specifies a particular host or network, Shorewall now creates an intermediate
chain for handling input from the related zone. This can substantially
reduce the number of rules traversed by connections requests from such
zones.<br>
<br>
</li>
<li>Any file may include an INCLUDE directive. An
INCLUDE directive consists of the word INCLUDE followed by a file
name and causes the contents of the named file to be logically included
into the file containing the INCLUDE. File names given in an INCLUDE
directive are assumed to reside in /etc/shorewall or in an alternate
configuration directory if one has been specified for the command. <br>
<br>
Examples:<br>
shorewall/params.mgmt:<br>
MGMT_SERVERS=1.1.1.1,2.2.2.2,3.3.3.3<br>
TIME_SERVERS=4.4.4.4<br>
BACKUP_SERVERS=5.5.5.5<br>
----- end params.mgmt -----<br>
<br>
<br>
shorewall/params:<br>
# Shorewall 1.3 /etc/shorewall/params<br>
[..]<br>
#######################################<br>
<br>
INCLUDE params.mgmt <br>
<br>
# params unique to this host here<br>
#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT
REMOVE<br>
----- end params -----<br>
<br>
<br>
shorewall/rules.mgmt:<br>
ACCEPT net:$MGMT_SERVERS $FW tcp 22<br>
ACCEPT $FW net:$TIME_SERVERS udp 123<br>
ACCEPT $FW net:$BACKUP_SERVERS tcp 22<br>
----- end rules.mgmt -----<br>
<br>
shorewall/rules:<br>
# Shorewall version 1.3 - Rules File<br>
[..]<br>
#######################################<br>
<br>
INCLUDE rules.mgmt <br>
<br>
# rules unique to this host here<br>
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT
REMOVE<br>
----- end rules -----<br>
<br>
INCLUDE's may be nested to a level of 3 -- further nested
INCLUDE directives are ignored with a warning message.<br>
<br>
</li>
<li>Routing traffic from an interface back out that
interface continues to be a problem. While I firmly believe that
this should never happen, people continue to want to do it. To limit
the damage that such nonsense produces, I have added a new 'routeback'
option in /etc/shorewall/interfaces and /etc/shorewall/hosts. When
used in /etc/shorewall/interfaces, the 'ZONE' column may not contain
'-'; in other words, 'routeback' can't be used as an option for a multi-zone
interface. The 'routeback' option CAN be specified however on individual
group entries in /etc/shorewall/hosts.<br>
<br>
The 'routeback' option is similar to the old 'multi' option
with two exceptions:<br>
<br>
a) The option pertains to a particular zone,interface,address
tuple.<br>
<br>
b) The option only created infrastructure to pass traffic
from (zone,interface,address) tuples back to themselves (the 'multi'
option affected all (zone,interface,address) tuples associated with
the given 'interface').<br>
<br>
See the '<a href="upgrade_issues.htm">Upgrade Issues</a>'
for information about how this new option may affect your configuration.<br>
</li>
@ -286,6 +207,7 @@ for information about how this new option may affect your configuration.<b
<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)">
@ -301,7 +223,8 @@ features Shorewall-1.3.14 and Kernel-2.4.20.
<b>Congratulations to Jacques and Eric on the recent release of Bering
1.2!!! </b><br>
1.2!!! </b><br>
<h2><a name="Donations"></a>Donations</h2>
</td>
@ -310,8 +233,9 @@ features Shorewall-1.3.14 and Kernel-2.4.20.
<form method="post"
action="http://lists.shorewall.net/cgi-bin/htsearch">
<strong><br>
<font color="#ffffff"><b>Note: </b></font></strong><font
color="#ffffff">Search is unavailable Daily 0200-0330 GMT.</font><br>
<font color="#ffffff"><b>Note:
</b></font></strong><font color="#ffffff">Search is unavailable
Daily 0200-0330 GMT.</font><br>
<strong></strong>
<p><font color="#ffffff"><strong>Quick Search</strong></font><br>
@ -330,6 +254,7 @@ features Shorewall-1.3.14 and Kernel-2.4.20.
color="#ffffff">Extended Search</font></a></b></font></p>
<br>
</td>
</tr>
@ -350,15 +275,16 @@ features Shorewall-1.3.14 and Kernel-2.4.20.
<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>
<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
<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>
<a href="http://www.starlight.org"><font color="#ffffff">Starlight Children's
Foundation.</font></a> Thanks!</font></p>
</td>
</tr>
@ -366,8 +292,10 @@ Children's Foundation.</font></a> Thanks!</font></p>
</tbody>
</table>
<p><font size="2">Updated 5/12/2003 - <a href="support.htm">Tom Eastep</a></font>
<p><font size="2">Updated 5/18/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
<br>
</p>
<br>
</p>
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@ -32,8 +32,8 @@
</tbody>
</table>
<p align="center">With thanks to Richard who reminded me once again that
we must all first walk before we can run.<br>
<p align="center">With thanks to Richard who reminded me once again that we
must all first walk before we can run.<br>
The French Translations are courtesy of Patrice Vetsel<br>
</p>
@ -113,8 +113,8 @@ the single-address guides above.</b></p>
href="configuration_file_basics.htm#Compliment">Complementing an IP address
or Subnet</a></li>
<li><a
href="configuration_file_basics.htm#Configs">Shorewall Configurations (making
a test configuration)</a></li>
href="configuration_file_basics.htm#Configs">Shorewall Configurations
(making a test configuration)</a></li>
<li><a
href="configuration_file_basics.htm#MAC">Using MAC Addresses in Shorewall</a></li>
@ -148,12 +148,14 @@ a test configuration)</a></li>
href="traffic_shaping.htm#tcrules">tcrules</a></li>
<li><font color="#000099"><a
href="Documentation.htm#Conf">shorewall.conf</a></font></li>
<li><a href="Documentation.htm#modules">modules</a></li>
<li><a
href="Documentation.htm#modules">modules</a></li>
<li><a href="Documentation.htm#TOS">tos</a>
</li>
<li><a
href="Documentation.htm#Blacklist">blacklist</a></li>
<li><a href="Documentation.htm#rfc1918">rfc1918</a></li>
<li><a
href="Documentation.htm#rfc1918">rfc1918</a></li>
<li><a
href="Documentation.htm#Routestopped">routestopped</a></li>
@ -166,8 +168,8 @@ a test configuration)</a></li>
<li><font color="#000099"><a
href="shorewall_extension_scripts.htm">Extension Scripts</a></font>
(How to extend Shorewall without modifying Shorewall code through the
use of files in /etc/shorewall -- /etc/shorewall/start, /etc/shorewall/stopped,
etc.)</li>
use of files in /etc/shorewall -- /etc/shorewall/start, /etc/shorewall/stopped,
etc.)</li>
<li><a href="fallback.htm">Fallback/Uninstall</a></li>
<li><a
href="shorewall_firewall_structure.htm">Firewall Structure</a></li>
@ -203,8 +205,10 @@ etc.)</li>
Interfaces</a></li>
<li><a href="shorewall_setup_guide.htm#Addressing">4.0 Addressing,
Subnets and Routing</a>
<ul>
<li><a href="shorewall_setup_guide.htm#Addresses">4.1 IP Addresses</a></li>
<li><a href="shorewall_setup_guide.htm#Addresses">4.1 IP
Addresses</a></li>
<li><a href="shorewall_setup_guide.htm#Subnets">4.2 Subnets</a></li>
<li><a href="shorewall_setup_guide.htm#Routing">4.3 Routing</a></li>
<li><a href="shorewall_setup_guide.htm#ARP">4.4 Address
@ -213,7 +217,8 @@ etc.)</li>
</ul>
<ul>
<li><a href="shorewall_setup_guide.htm#RFC1918">4.5 RFC 1918</a></li>
<li><a href="shorewall_setup_guide.htm#RFC1918">4.5 RFC
1918</a></li>
</ul>
</li>
@ -227,6 +232,7 @@ etc.)</li>
<ul>
<li><a href="shorewall_setup_guide.htm#NonRouted">5.2 Non-routed</a>
<ul>
<li><a href="shorewall_setup_guide.htm#SNAT">5.2.1 SNAT</a></li>
<li><a href="shorewall_setup_guide.htm#DNAT">5.2.2 DNAT</a></li>
@ -254,7 +260,7 @@ etc.)</li>
<ul>
<li>Description of all /sbin/shorewall commands</li>
<li>How to safely test a Shorewall configuration
change<br>
change<br>
</li>
</ul>
@ -266,12 +272,15 @@ change<br>
<li><a href="traffic_shaping.htm">Traffic
Shaping/QOS</a></li>
<li>VPN
<ul>
<li><a href="IPSEC.htm">IPSEC</a></li>
<li><a href="IPIP.htm">GRE and IPIP</a></li>
<li><a href="OPENVPN.html">OpenVPN</a><br>
</li>
<li><a href="PPTP.htm">PPTP</a></li>
<li><a href="6to4.htm">6t04</a><br>
</li>
<li><a href="VPN.htm">IPSEC/PPTP</a> from
a system behind your firewall to a remote network.</li>
@ -285,7 +294,7 @@ Shaping/QOS</a></li>
<p>If you use one of these guides and have a suggestion for improvement <a
href="mailto:webmaster@shorewall.net">please let me know</a>.</p>
<p><font size="2">Last modified 5/03/2003 - <a href="support.htm">Tom Eastep</a></font></p>
<p><font size="2">Last modified 5/18/2003 - <a href="support.htm">Tom Eastep</a></font></p>
<p><a href="copyright.htm"><font size="2">Copyright 2002, 2003 Thomas M.
Eastep</font></a><br>
@ -294,5 +303,6 @@ Shaping/QOS</a></li>
<br>
<br>
<br>
<br>
</body>
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View File

@ -24,9 +24,9 @@
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><font
color="#ffffff">Shorewall 1.4 - <font
size="4">"<i>iptables made easy"</i></font></font><br>
</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>
@ -36,6 +36,7 @@
</td>
</tr>
</tbody>
</table>
@ -43,6 +44,7 @@
<center>
<table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber4">
<tbody>
<tr>
@ -64,8 +66,8 @@ a dedicated firewall system, a multi-function gateway/r
<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
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>
@ -74,7 +76,8 @@ GNU General Public License</a> as published by the Free Software
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>
See the GNU General Public License for more
details.<br>
<br>
You
@ -90,6 +93,14 @@ See the GNU General Public License for more details.<
<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
@ -99,163 +110,77 @@ See the GNU General Public License for more details.<
<b> </b>
<p><b>5/10/2003 - Shorewall Mirror in Asia </b><b><img border="0"
<p><b>5/18/2003 - Shorewall 1.4.3 </b><b><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
</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"> </a><a href="6to4.htm">IPV6-IPV4 (6to4)
tunnels </a>are now supported in the /etc/shorewall/tunnels file.</li>
<li>Shorewall can now be easily integrated with fireparse (http://www.fireparse.com)
by setting LOGMARKER="fp=" in <a href="Documentation.htm#Conf">/etc/shorewall/shorewall.conf.</a>
Note: You may not use ULOG with fireparse unless you modify fireparse. </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><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
 </b></p>
<p><b>5/8/2003 - Shorewall Mirror in Chile</b><b>  </b></p>
<p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br>
</p>
<p><b>4/26/2003 - lists.shorewall.net Downtime </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
 </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><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
<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><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
<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>
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>4/9/2003 - Shorewall 1.4.2</b><b> </b><b> </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
</b><br>
</p>
<p><b>    Problems Corrected:</b></p>
<p><b></b></p>
<blockquote>
<ol>
<li>TCP connection requests rejected out of the <b>common</b>
chain are now properly rejected with TCP RST; previously, some of these
requests were rejected with an ICMP port-unreachable response.</li>
<li>'traceroute -I' from behind the firewall previously
timed out on the first hop (e.g., to the firewall). This has been worked
around.</li>
</ol>
</blockquote>
<p><b>    New Features:</b></p>
<blockquote>
<ol>
<li>Where an entry in the/etc/shorewall/hosts file
specifies a particular host or network, Shorewall now creates an intermediate
chain for handling input from the related zone. This can substantially
reduce the number of rules traversed by connections requests from such
zones.<br>
<br>
</li>
<li>Any file may include an INCLUDE directive. An
INCLUDE directive consists of the word INCLUDE followed by a file name
and causes the contents of the named file to be logically included into
the file containing the INCLUDE. File names given in an INCLUDE directive
are assumed to reside in /etc/shorewall or in an alternate configuration
directory if one has been specified for the command. <br>
 <br>
   Examples:<br>
   shorewall/params.mgmt:<br>
   MGMT_SERVERS=1.1.1.1,2.2.2.2,3.3.3.3<br>
   TIME_SERVERS=4.4.4.4<br>
   BACKUP_SERVERS=5.5.5.5<br>
   ----- end params.mgmt -----<br>
 <br>
 <br>
   shorewall/params:<br>
   # Shorewall 1.3 /etc/shorewall/params<br>
   [..]<br>
   #######################################<br>
 <br>
   INCLUDE params.mgmt    <br>
  <br>
   # params unique to this host here<br>
   #LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE<br>
   ----- end params -----<br>
 <br>
 <br>
   shorewall/rules.mgmt:<br>
   ACCEPT net:$MGMT_SERVERS          $FW    tcp    22<br>
   ACCEPT $FW          net:$TIME_SERVERS    udp    123<br>
   ACCEPT $FW          net:$BACKUP_SERVERS  tcp    22<br>
   ----- end rules.mgmt -----<br>
 <br>
   shorewall/rules:<br>
   # Shorewall version 1.3 - Rules File<br>
   [..]<br>
   #######################################<br>
 <br>
   INCLUDE rules.mgmt     <br>
  <br>
   # rules unique to this host here<br>
   #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT
REMOVE<br>
   ----- end rules -----<br>
 <br>
INCLUDE's may be nested to a level of 3 -- further nested
INCLUDE directives are ignored with a warning message.<br>
<br>
</li>
<li>Routing traffic from an interface back out that
interface continues to be a problem. While I firmly believe that this
should never happen, people continue to want to do it. To limit the
damage that such nonsense produces, I have added a new 'routeback' option
in /etc/shorewall/interfaces and /etc/shorewall/hosts. When used in
/etc/shorewall/interfaces, the 'ZONE' column may not contain '-'; in
other words, 'routeback' can't be used as an option for a multi-zone
interface. The 'routeback' option CAN be specified however on individual
group entries in /etc/shorewall/hosts.<br>
 <br>
The 'routeback' option is similar to the old 'multi' option
with two exceptions:<br>
 <br>
   a) The option pertains to a particular zone,interface,address
tuple.<br>
 <br>
   b) The option only created infrastructure to pass traffic
from (zone,interface,address) tuples back to themselves (the 'multi'
option affected all (zone,interface,address) tuples associated with
the given 'interface').<br>
 <br>
See the '<a href="upgrade_issues.htm">Upgrade Issues</a>'
for information about how this new option may affect your configuration.<br>
</li>
</ol>
</blockquote>
<p><a href="file:///Z:/Shorewall-docs/News.htm"></a></p>
<b> </b>
@ -272,16 +197,18 @@ for information about how this new option may affect your configuration.<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">
@ -302,19 +229,20 @@ for information about how this new option may affect your configuration.<b
<h2><b><a name="Donations"></a>Donations</b></h2>
<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">
<p><strong><br>
<font color="#ffffff"><b>Note: </b></font></strong>
<font color="#ffffff">Search is unavailable Daily 0200-0330 GMT.</font><br>
<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 type="text"
name="words" size="15"></font><font size="-1"> </font><font
<font face="Arial" size="-1"> <input
type="text" name="words" size="15"></font><font size="-1"> </font><font
face="Arial" size="-1"> <input type="hidden" name="format"
value="long"> <input type="hidden" name="method" value="and">
<input type="hidden" name="config" value="htdig"> <input
@ -345,22 +273,24 @@ for information about how this new option may affect your configuration.<b
bgcolor="#4b017c">
<tbody>
<tr>
<td
width="100%" style="margin-top: 1px;">
<td width="100%" style="margin-top: 1px;">
<p align="center"><a href="http://www.starlight.org"> <img
border="4" src="images/newlog.gif" width="57" height="100" align="left"
hspace="10">
</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
<p align="center"><font size="4" color="#ffffff">Shorewall is free but
if you try it and find it useful, please consider making a donation
to
<a href="http://www.starlight.org"><font color="#ffffff">Starlight
Children's Foundation.</font></a> Thanks!</font></p>
</td>
</tr>
@ -368,7 +298,7 @@ Children's Foundation.</font></a> Thanks!</font></p>
</tbody>
</table>
<p><font size="2">Updated 5/10/2003 - <a href="support.htm">Tom Eastep</a></font>
<p><font size="2">Updated 5/18/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
</p>
<br>