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<meta http-equiv="CONTENT-TYPE" content="text/html; charset=utf-8">
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<title>Shoreline Firewall (Shorewall) 2.0</title>
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<base target="_self">
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<meta name="GENERATOR" content="OpenOffice.org 1.1.1 (Linux)">
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<body dir="ltr" lang="en-US">
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<h1>Shorewall 2.x</h1>
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<p><b>Tom Eastep</b><br>
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<br>
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The information on this site applies only
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to 2.x releases of Shorewall. For older versions:</p>
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<ul>
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<li>
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<p style="margin-bottom: 0in;">The 1.4 site is <a
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href="http://www.shorewall.net/1.4" target="_top">here.</a></p>
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</li>
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<li>
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<p style="margin-bottom: 0in;">The 1.3 site is <a
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href="http://www.shorewall.net/1.3" target="_top">here.</a> </p>
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</li>
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<li>
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<p>The 1.2 site is <a href="http://shorewall.net/1.2/"
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target="_top">here</a>. </p>
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</li>
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</ul>
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2004-12-01 21:45:51 +01:00
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<p>The current 2.0 Stable Release is 2.0.11 -- Here are the <a
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href="http://shorewall.net/pub/shorewall/2.0/shorewall-2.0.11/releasenotes.txt">release
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notes</a>.<br>
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The current Developement Release is 2.2.0 Beta 6 -- Here
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are the <a
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href="http://shorewall.net/pub/shorewall/2.2-Beta/shorewall-2.2.0-Beta6/releasenotes.txt">release
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notes</a>.<br>
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<br>
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Copyright © 2001-2004 Thomas M. Eastep</p>
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<p>Permission is granted to copy, distribute and/or modify this
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document under the terms of the GNU Free Documentation License,
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Version 1.2 or any later version published by the Free Software
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Foundation; with no Invariant Sections, with no Front-Cover, and with
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no Back-Cover Texts. A copy of the license is included in the section
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entitled “<a href="GnuCopyright.htm" target="_self">GNU
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Free Documentation License</a>”.</p>
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<p>2004-11-26</p>
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<hr>
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<h3>Table of Contents</h3>
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<p style="margin-left: 0.42in; margin-bottom: 0in;"><a href="#Intro">Introduction
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to Shorewall</a></p>
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<p style="margin-left: 0.83in; margin-bottom: 0in;"><a href="#Glossary">Glossary</a><br>
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<a href="#WhatIs">What
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is Shorewall?</a><br>
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<a href="#GettingStarted">Getting Started with
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Shorewall</a><br>
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<a href="#Info">Looking for Information?</a><br>
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<a href="#Mandrake">Running
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Shorewall on Mandrake® with a two-interface setup?</a><br>
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<a href="#License">License</a></p>
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2004-10-25 17:52:26 +02:00
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<p style="margin-bottom: 0in; margin-left: 40px;"><a href="#2_0_10">News</a></p>
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2004-11-09 16:21:55 +01:00
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<p style="margin-left: 0.83in; margin-bottom: 0in;"><a
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href="shorewall_index.htm#2_2_0_Beta6">Shorewall 2.2.0 Beta 6</a><br>
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<a href="#2_2_0_Beta5">Shorewall 2.2.0 Beta 5</a><br>
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<a href="#2_0_11">Shorewall
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2.0.11</a><br>
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<a href="#2_2_0_Beta4">Shorewall 2.2.0 Beta 4</a><br>
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<a href="#2_2_0_Beta3">Shorewall 2.2.0 Beta 3</a><br>
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<a href="#2_2_0_Beta2">Shorewall 2.2.0 Beta 2</a><br>
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<a href="#2_0_10">Shorewall
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2.0.10</a><br>
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<a href="#2_2_0_Beta1">Shorewall 2.2.0 Beta 1</a><br>
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<br>
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</p>
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<div style="margin-left: 40px;"><a href="#Leaf">Leaf</a><br>
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</div>
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<p style="margin-left: 40px;"><a href="#Donations">Donations</a></p>
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<h2><a name="Intro"></a>Introduction to Shorewall</h2>
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<h3><a name="Glossary"></a>Glossary</h3>
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<ul>
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<li>
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<p style="margin-bottom: 0in;"><a href="http://www.netfilter.org/"
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target="_top">Netfilter</a> - the packet filter facility built into
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the 2.4 and later Linux kernels. </p>
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</li>
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<li>
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<p style="margin-bottom: 0in;">ipchains - the packet filter
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facility built into the 2.2 Linux kernels. Also the name of the utility
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program used to configure and control that facility. Netfilter can be
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used in ipchains compatibility mode. </p>
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</li>
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<li>
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<p>iptables - the utility program used to configure and control
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Netfilter. The term 'iptables' is often used to refer to the
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combination of iptables+Netfilter (with Netfilter not in ipchains
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compatibility mode). </p>
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</li>
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</ul>
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<h3><a name="WhatIs"></a>What is Shorewall?</h3>
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<p style="margin-left: 0.42in;">The Shoreline Firewall, more commonly
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known as "Shorewall", is a high-level tool for configuring
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Netfilter. You describe your firewall/gateway requirements using
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entries in a set of configuration files. Shorewall reads those
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configuration files and with the help of the iptables utility,
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Shorewall configures Netfilter to match your requirements. Shorewall
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can be used on a dedicated firewall system, a multi-function
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gateway/router/server or on a standalone GNU/Linux system. Shorewall
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does not use Netfilter's ipchains compatibility mode and can thus
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take advantage of Netfilter's <a
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href="http://www.cs.princeton.edu/%7Ejns/security/iptables/iptables_conntrack.html"
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target="_top">connection
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state tracking capabilities</a>.<br>
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<br>
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Shorewall is <u>not</u> a
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daemon. Once Shorewall has configured Netfilter, it's job is
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complete. After that, there is no Shorewall code running although the
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<a href="starting_and_stopping_shorewall.htm">/sbin/shorewall program
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can be used at any time to monitor the Netfilter firewall</a>.</p>
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<h3><a name="GettingStarted"></a>Getting Started with Shorewall</h3>
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<p style="margin-left: 0.42in;">New to Shorewall? Start by selecting
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the <a href="shorewall_quickstart_guide.htm">QuickStart Guide</a>
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that most closely matches your environment and follow the step by
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step instructions.</p>
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<h3><a name="Info"></a>Looking for Information?</h3>
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<p style="margin-left: 0.42in;">The <a href="Documentation_Index.html">Documentation
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Index</a> is a good place to start as is the Quick Search in the
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frame above. </p>
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<h3><a name="Mandrake"></a>Running Shorewall on Mandrake® with a
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two-interface setup?</h3>
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2004-09-24 00:58:32 +02:00
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<p style="margin-left: 0.42in;">If so, the documentation on this site
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will not apply directly to your setup. If you want to use the
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documentation that you find here, you will want to consider
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uninstalling what you have and installing a setup that matches the
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documentation on this site. See the <a href="two-interface.htm">Two-interface
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QuickStart Guide</a> for details.<br>
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<br>
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<b>Update: </b>I've been
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2004-04-12 16:16:46 +02:00
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informed by Mandrake Development that this problem has been corrected
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in Mandrake 10.0 Final (the problem still exists in the 10.0
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Community release).</p>
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<h3><a name="License"></a>License</h3>
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<p style="margin-left: 0.42in;">This program is free software; you can
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redistribute it and/or modify it under the terms of <a
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href="http://www.gnu.org/licenses/gpl.html">Version
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2 of the GNU General Public License</a> as published by the Free
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Software Foundation.</p>
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<p style="margin-left: 0.42in;">This program is distributed in the
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hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the GNU General Public License for more detail.</p>
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<p style="margin-left: 0.42in;">You should have received a copy of the
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GNU General Public License along with this program; if not, write to
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the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
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02139, USA</p>
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<p style="margin-left: 0.42in;">Permission is granted to copy,
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distribute and/or modify this document under the terms of the GNU
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Free Documentation License, Version 1.2 or any later version
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published by the Free Software Foundation; with no Invariant
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Sections, with no Front-Cover, and with no Back-Cover Texts. A copy
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of the license is included in the section entitled "GNU Free
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Documentation License". </p>
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<hr>
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<h2><a name="News"></a>News</h2>
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2004-12-01 21:45:51 +01:00
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<span style="font-weight: bold;"><a name="2_2_0_Beta6"></a>11/26/2004 -
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Shorewall 2.2.0 Beta 6<br>
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<br>
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</span>Beta 5 was more or less DOA. Here's Beta 6.<br>
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<br>
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Problems Corrected:<br>
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<ol>
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<li>Fixed a number of problems associated with not having an IPTABLES
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value assigned in shorewall.conf</li>
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<li>Corrected a 'duplicate chain' error on "shorewall add" when the
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'mss' option is present in /etc/shorewall/ipsec.<br>
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</li>
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</ol>
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<span style="font-weight: bold;"><a name="2_2_0_Beta5"></a>11/26/2004 -
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Shorewall 2.2.0 Beta 5<br>
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</span><br>
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Problems corrected:<br>
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<ol>
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<li>A typo in shorewall.conf (NETNOTSYN) has been corrected.</li>
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</ol>
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New Features:<br>
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<ol>
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<li>For consistency, the CLIENT PORT(S) column in the tcrules file
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has been renamed SOURCE PORT(S).</li>
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<li>The contents of /proc/sys/net/ip4/icmp_echo_ignore_all is now
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shown in the output of "shorewall status".</li>
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<li>A new IPTABLES option has been added to shorewall.conf. IPTABLES
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can be used to designate the iptables executable to be used by
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Shorewall. If not specified, the iptables executable determined by the
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PATH setting is used.<br>
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</li>
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</ol>
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<span style="font-weight: bold;"><a name="2_0_11"></a>11/23/2004 -
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Shorweall 2.0.11<br>
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</span><br>
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Problems corrected:<br>
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<ol>
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<li>The INSTALL file now include special instructions for Slackware
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users.</li>
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<li>The bogons file has been updated.</li>
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<li>Service names are replaced by port numbers in /etc/shorewall/tos.</li>
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<li>A typo in the install.sh file that caused an error during a new
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install has been corrected.</li>
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</ol>
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New Features:<br>
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<ol>
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<li>The AllowNNTP action now allows NNTP over SSL/TLS (NTTPS).<br>
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</li>
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</ol>
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2004-11-19 19:10:17 +01:00
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<span style="font-weight: bold;"><a name="2_2_0_Beta4"></a>11/19/2004 -
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Shorewall 2.2.0 Beta 4<br>
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</span><br>
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Problems Corrected:<br>
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<ol>
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<li>A cut and paste error resulted in some nonsense in the
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description of the IPSEC column in /etc/shorewall/masq.</li>
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<li>A typo in /etc/shorewall/rules has been corrected.</li>
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<li>The bogons file has been updated.</li>
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<li>The "shorewall add" command previously reported success but did
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nothing -- now it works.</li>
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</ol>
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New Features:<br>
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<ol>
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<li>The AllowNNTP action now allows NNTP over SSL/TLS (NNTPS).<br>
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</li>
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</ol>
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<span style="font-weight: bold;"><a name="2_2_0_Beta3"></a>11/09/2004 -
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Shorewall 2.2.0 Beta 3<br>
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</span><br>
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Problems Corrected:<br>
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<ol>
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<li>Missing '#' in the rfc1918 file has been corrected.</li>
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<li>The INSTALL file now includes special instructions for Slackware
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users.</li>
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</ol>
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New Features:<br>
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<ol>
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<li>In CLASSIFY rules (/etc/shorewall/tcrules), an interface name may
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now appear in the DEST column as in:<br>
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<pre> #MARK/ SOURCE DEST PROTO PORT(S)<br> #CLASSIFY<br> 1:30 - eth0 tcp 25</pre>
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</li>
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</ol>
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2004-11-09 16:21:55 +01:00
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<span style="font-weight: bold;"><a name="2_2_0_Beta2"></a>11/02/2004 -
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Shorewall 2.2.0 Beta 2<br>
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<br>
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</span>Problems Corrected:<br>
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|
<ol>
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<li>The "shorewall check" command results in the (harmless) error
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message:<br>
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<br>
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/usr/share/shorewall/firewall: line 2753:<br>
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check_dupliate_zones: command not found<br>
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<br>
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</li>
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<li>The AllowNTP standard action now allows outgoing responses to
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broadcasts.</li>
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<li>A clarification has been added to the hosts file's description of
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the 'ipsec' option pointing out that the option is redundent if the
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zone named in the ZONE column has been designated an IPSEC zone in the
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/etc/shorewall/ipsec file.<span style="font-weight: bold;"></span></li>
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</ol>
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|
New Features:<br>
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<ol>
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<li>The SUBNET column in /etc/shorewall/rfc1918 has been renamed
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SUBNETS and it is now possible to specify a list of addresses in that
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column.<br>
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</li>
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</ol>
|
2004-10-25 17:52:26 +02:00
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|
|
<span style="font-weight: bold;"><a name="2_0_10"></a>10/25/2004 -
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Shorewall 2.0.10<br>
|
2004-09-11 16:31:50 +02:00
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</span><br>
|
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|
Problems Corrected:<br>
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|
<ol>
|
2004-10-25 17:52:26 +02:00
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<li>The GATEWAY column was previously ignored in 'pptpserver' entries
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in /etc/shorewall/tunnels.</li>
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|
<li>When log rule numbers are included in the LOGFORMAT, duplicate
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|
rule numbers could previously be generated.</li>
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|
<li>The /etc/shorewall/tcrules file now includes a note to the effect
|
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|
|
that rule evaluation continues after a match.</li>
|
2004-10-27 15:54:31 +02:00
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|
|
<li>The error message produced if Shorewall couldn't obtain the
|
|
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|
|
routes
|
2004-10-25 17:52:26 +02:00
|
|
|
through an interface named in the SUBNET column of /etc/shorewall/masq
|
|
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|
|
was less than helpful since it didn't include the interface name.<br>
|
2004-08-07 05:33:54 +02:00
|
|
|
</li>
|
|
|
|
|
</ol>
|
2004-10-25 17:52:26 +02:00
|
|
|
New Features:<br>
|
2004-05-28 19:24:32 +02:00
|
|
|
<ol>
|
2004-10-25 17:52:26 +02:00
|
|
|
<li>The "shorewall status" command has been enhanced to include the
|
|
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|
|
values of key /proc settings:<br>
|
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|
|
<br>
|
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|
|
Example from a two-interface firewall:<br>
|
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|
|
<br>
|
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|
|
/proc<br>
|
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|
|
<br>
|
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|
/proc/sys/net/ipv4/ip_forward = 1<br>
|
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|
|
/proc/sys/net/ipv4/conf/all/proxy_arp = 0<br>
|
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|
|
/proc/sys/net/ipv4/conf/all/arp_filter = 0<br>
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|
/proc/sys/net/ipv4/conf/all/rp_filter = 0<br>
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|
|
/proc/sys/net/ipv4/conf/default/proxy_arp = 0<br>
|
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|
|
/proc/sys/net/ipv4/conf/default/arp_filter = 0<br>
|
|
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|
|
/proc/sys/net/ipv4/conf/default/rp_filter = 0<br>
|
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|
|
/proc/sys/net/ipv4/conf/eth0/proxy_arp = 0<br>
|
|
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|
|
/proc/sys/net/ipv4/conf/eth0/arp_filter = 0<br>
|
|
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|
|
/proc/sys/net/ipv4/conf/eth0/rp_filter = 0<br>
|
|
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|
|
/proc/sys/net/ipv4/conf/eth1/proxy_arp = 0<br>
|
|
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|
|
/proc/sys/net/ipv4/conf/eth1/arp_filter = 0<br>
|
|
|
|
|
/proc/sys/net/ipv4/conf/eth1/rp_filter = 0<br>
|
|
|
|
|
/proc/sys/net/ipv4/conf/lo/proxy_arp = 0<br>
|
|
|
|
|
/proc/sys/net/ipv4/conf/lo/arp_filter = 0<br>
|
|
|
|
|
/proc/sys/net/ipv4/conf/lo/rp_filter = 0<br>
|
2004-09-24 00:58:32 +02:00
|
|
|
</li>
|
2004-05-28 19:24:32 +02:00
|
|
|
</ol>
|
2004-07-03 00:42:04 +02:00
|
|
|
<br>
|
2004-10-25 17:52:26 +02:00
|
|
|
<span style="font-weight: bold;"><a name="2_2_0_Beta1"></a>10/24/2004 -
|
|
|
|
|
Shorewall 2.2.0 Beta1<br>
|
2004-07-03 00:42:04 +02:00
|
|
|
<br>
|
2004-10-25 17:52:26 +02:00
|
|
|
</span>The first beta in the 2.2 series is now available. Download
|
|
|
|
|
location is:<br>
|
2004-07-03 00:42:04 +02:00
|
|
|
<br>
|
2004-10-25 17:52:26 +02:00
|
|
|
<div style="margin-left: 40px;"><a
|
|
|
|
|
href="http://shorewall.net/pub/shorewall/2.2-Beta/shorewall-2.2.0-Beta1">http://shorewall.net/pub/shorewall/2.2-Beta/shorewall-2.2.0-Beta1</a><br>
|
|
|
|
|
<a target="_top"
|
|
|
|
|
href="ftp://shorewall.net/pub/shorewall/2.2-Beta/shorewall-2.2.0-Beta1">ftp://shorewall.net/pub/shorewall/2.2-Beta/shorewall-2.2.0-Beta1</a><br>
|
|
|
|
|
</div>
|
|
|
|
|
<p>The features available in this release and the migration
|
|
|
|
|
considerations are covered in the <a
|
|
|
|
|
href="http://shorewall.net/pub/shorewall/2.2-Beta/shorewall-2.2.0-Beta1/releasenotes.txt">release
|
|
|
|
|
notes</a>. Highlights include:<br>
|
|
|
|
|
</p>
|
2004-05-28 19:24:32 +02:00
|
|
|
<ol>
|
2004-10-25 17:52:26 +02:00
|
|
|
<li>The behavior produced by specifying a log level in an action
|
|
|
|
|
invocation is now much more rational. Previously, all packets sent to
|
|
|
|
|
the action were logged; now each rule within the invoked action behaves
|
|
|
|
|
as if logging had been specified on it.</li>
|
|
|
|
|
<li>Support for the 2.6 Kernel's native IPSEC implementation is now
|
|
|
|
|
available.</li>
|
|
|
|
|
<li>Support for ipp2p is included.</li>
|
|
|
|
|
<li>Support for the iptables CONNMARK facility is now included in
|
|
|
|
|
Shorewall.</li>
|
|
|
|
|
<li>A new LOGALLNEW option facilitates problem analysis.</li>
|
|
|
|
|
<li>Users with a large static blacklist can now defer loading the
|
|
|
|
|
blacklist until after the rest of the ruleset has been enabled. Doing
|
|
|
|
|
so can decrease substantially the amount of time that connections are
|
|
|
|
|
disabled during <span style="font-weight: bold;">shorewall [re]start</span>.</li>
|
|
|
|
|
<li>Support for the iptables 'iprange match' feature has been
|
|
|
|
|
enabled. Users whose kernel and iptables contain this feature can use
|
|
|
|
|
ip address ranges in most places in their Shorewall configuration where
|
|
|
|
|
a CIDR netowrk can be used.</li>
|
|
|
|
|
<li>Accepting of source routing and martian logging may now be
|
|
|
|
|
enabled/disabled on each interface.</li>
|
|
|
|
|
<li>Shorewall now supports the CLASSIFY iptable target.</li>
|
2004-05-28 19:24:32 +02:00
|
|
|
</ol>
|
|
|
|
|
<p><a href="News.htm">More News</a></p>
|
2004-09-24 00:58:32 +02:00
|
|
|
<hr>
|
|
|
|
|
<h2><a name="Leaf"></a>Leaf</h2>
|
|
|
|
|
<p><a href="http://leaf.sourceforge.net/" target="_top"><font
|
|
|
|
|
color="#000000"><img src="images/leaflogo.gif" name="Graphic1"
|
|
|
|
|
alt="(Leaf Logo)" align="bottom" border="1" height="39" width="52"></font></a>
|
|
|
|
|
LEAF is an open source project which provides a Firewall/router on a
|
|
|
|
|
floppy, CD or CF. Several LEAF distributions including Bering and
|
|
|
|
|
Bering-uClibc use Shorewall as their Netfilter configuration tool.</p>
|
|
|
|
|
<hr>
|
2004-08-07 05:33:54 +02:00
|
|
|
<h2><a name="Donations"></a>Donations</h2>
|
2004-09-24 00:58:32 +02:00
|
|
|
<p align="left"><a href="http://www.alz.org/" target="_top"><font
|
|
|
|
|
color="#000000"><img src="images/alz_logo2.gif" name="Graphic2"
|
|
|
|
|
alt="(Alzheimer's Association Logo)" align="right" border="1"
|
|
|
|
|
height="63" width="303"></font></a><a href="http://www.starlight.org/"
|
|
|
|
|
target="_top"><font color="#000000"><img src="images/newlog.gif"
|
|
|
|
|
name="Graphic3" alt="(Starlight Foundation Logo)" align="right"
|
|
|
|
|
border="1" height="105" width="62"></font></a><font size="4">Shorewall
|
|
|
|
|
is free but if you try it and find it useful, please consider making
|
|
|
|
|
a donation to the <a href="http://www.alz.org/" target="_top">Alzheimer's
|
|
|
|
|
Association</a> or to the <a href="http://www.starlight.org/"
|
|
|
|
|
target="_top">Starlight
|
|
|
|
|
Children's Foundation</a>.</font></p>
|
|
|
|
|
<p align="left"><font size="4">Thanks</font></p>
|
|
|
|
|
<p align="left"><br>
|
2004-05-28 19:24:32 +02:00
|
|
|
<br>
|
2004-09-24 00:58:32 +02:00
|
|
|
</p>
|
2004-04-12 16:16:46 +02:00
|
|
|
</body>
|
2003-12-30 02:19:52 +01:00
|
|
|
</html>
|
