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<title>Shoreline Firewall (Shorewall) 2.0</title>
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2005-12-11 17:24:08 +01:00
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<h1>Shoreline Firewall (Shorewall)</h1>
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<span style="color: rgb(255, 0, 0);"><span style="font-weight: bold;"><big><big></big></big></span></span>
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2006-01-07 20:28:31 +01:00
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<p>The current Stable Version is 3.0.4 -- Get it from the <a
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2005-11-16 05:04:20 +01:00
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href="download.htm">download sites</a>. Here are the <a
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2006-01-07 20:28:31 +01:00
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href="http://www.shorewall.net/pub/shorewall/3.0/shorewall-3.0.4/releasenotes.txt">
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2005-10-21 22:47:20 +02:00
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release notes</a> and here are the <a
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2006-01-07 20:28:31 +01:00
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href="http://www.shorewall.net/pub/shorewall/3.0/shorewall-3.0.4/known_problems.txt">
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2005-10-21 22:47:20 +02:00
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known problems</a> and <a
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2006-01-07 20:28:31 +01:00
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href="http://www.shorewall.net/pub/shorewall/3.0/shorewall-3.0.4/errata/">
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updates</a>.</p>
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<p>The current Development Version is 3.1.0 -- Get it from the <a
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href="download.htm">download sites</a>. Here are the <a
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href="http://www.shorewall.net/pub/shorewall/3.1/shorewall-3.1.0/releasenotes.txt">
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release notes</a> and here are the <a
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href="http://www.shorewall.net/pub/shorewall/3.1/shorewall-3.1.0/known_problems.txt">
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known problems</a> and <a
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href="http://www.shorewall.net/pub/shorewall/3.1/shorewall-3.1.0/errata/">
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updates</a>.<br>
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2005-10-05 20:11:56 +02:00
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<br>
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Copyright © 2001-2006 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, Version
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1.2 or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover, and with no Back-Cover
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Texts. A copy of the license is included in the section entitled “<a
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href="GnuCopyright.htm" target="_self">GNU Free Documentation License</a>”.</p>
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<p>2005-01-07</p>
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<hr style="width: 100%; height: 2px;">
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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 is Shorewall?</a><br>
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<a href="#GettingStarted">Getting Started with Shorewall</a><br>
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<a href="#Info">Looking for Information?</a><br>
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2005-11-07 05:42:30 +01:00
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<a href="#License">License</a><br>
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</p>
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<div style="margin-left: 40px;"> <br>
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<a href="#Leaf">Leaf</a><br>
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<a href="#OpenWRT">OpenWRT</a><br>
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2005-11-08 19:02:43 +01:00
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<a href="#Proxmox">Proxmox Firewall</a><br>
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2005-11-16 05:04:20 +01:00
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<a href="#Donations">Donations</a></div>
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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 Netfilter.
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You describe your firewall/gateway requirements using entries in a set
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of configuration files. Shorewall reads those configuration files and
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with the help of the iptables utility, Shorewall configures Netfilter
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to match your requirements. Shorewall can be used on a dedicated
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firewall system, a multi-function gateway/router/server or on a
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standalone GNU/Linux system. Shorewall does not use Netfilter's
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2005-11-20 06:04:43 +01:00
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ipchains compatibility mode and can thus take advantage of Netfilter's
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connection state tracking capabilities.<br>
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<br>
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Shorewall is <u>not</u> a daemon. Once Shorewall has configured
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Netfilter, it's job is complete. After that, there is no Shorewall code
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running although the <a href="starting_and_stopping_shorewall.htm">/sbin/shorewall
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program can be used at any time to monitor the Netfilter firewall</a>.<br>
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</p>
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<p style="margin-left: 0.42in;">Shorewall is not the easiest to use of
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the available iptables configuration tools but I believe that it is the
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most flexible and powerful. So if you are looking for a simple
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point-and-click set-and-forget Linux firewall solution that requires a
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minimum of networking knowledge, I would encourage you to check out the
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following alternatives:</p>
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<ul style="margin-left: 40px;">
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2005-11-11 22:07:37 +01:00
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<li><a href="http://www.m0n0.ch/wall">m0n0wall</a> (FreeBSD Based)</li>
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<li><a href="http://www.fs-security.com/">Firestarter</a><br>
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</li>
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</ul>
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<p style="margin-left: 0.42in;">On the other hand, if you are looking
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for a Linux firewall solution that can handle complex and fast changing
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network environments then Shorewall is a logical choice.<br>
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</p>
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2005-12-11 17:24:08 +01:00
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<p style="margin-left: 0.42in;">To see some of the many things that you
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can do with Shorewall, see the <a href="shorewall_features.htm">Shorewall
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Features page</a>.<br>
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</p>
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<h3><a name="GettingStarted"></a>Getting Started with Shorewall</h3>
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2005-11-16 05:04:20 +01:00
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<p style="margin-left: 0.42in;">New to Shorewall? Download the current
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Stable version (see above) then select
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the <a href="shorewall_quickstart_guide.htm">QuickStart Guide</a> that
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most closely matches your environment and follow the step by step
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instructions.</p>
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2005-11-16 05:04:20 +01:00
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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.html">Documentation
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Index</a> is a good place to start as is the Site Search in the frame
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above.<br>
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</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 2 of the GNU
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General Public License</a> as published by the Free Software Foundation.</p>
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<p style="margin-left: 0.42in;">This program is distributed in the hope
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that it will be useful, but WITHOUT ANY WARRANTY; without even the
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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 02139,
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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 Free
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Documentation License, Version 1.2 or any later version published by
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the Free Software Foundation; with no Invariant Sections, with no
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Front-Cover, and with no Back-Cover Texts. A copy of the license is
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included in the section entitled "GNU Free Documentation License".</p>
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<hr>
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<h2><a name="Leaf"></a>Leaf</h2>
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<p><a href="http://leaf.sourceforge.net/" target="_top"><font
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color="#000000"><img src="images/leaflogo.gif" name="Graphic1"
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alt="(Leaf Logo)" align="bottom" border="1" height="39" width="52"></font></a>
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LEAF is an open source project which provides a Firewall/router on a
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floppy, CD or CF. Several LEAF distributions including Bering and
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Bering-uClibc use Shorewall as their Netfilter configuration tool.</p>
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<hr style="width: 100%; height: 2px;">
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<h2><a name="OpenWRT"></a>OpenWRT</h2>
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<a href="http://openwrt.org"><img alt="(OpenWRT Logo)"
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src="images/openwrt.png"
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style="border: 0px solid ; width: 88px; height: 31px;" hspace="4"></a>OpenWRT
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is a project which provides open source firmware for Linksys WRT54G
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wireless routers. Two different Shorewall packages are available for
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OpenWRT.<br>
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2005-11-08 19:02:43 +01:00
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<hr style="width: 100%; height: 2px;">
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<h2><a name="Proxmox"></a>Proxmox Firewall</h2>
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2005-11-08 20:16:47 +01:00
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<a href="http://www.proxmox.com"><img alt="Proxmox Logo"
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2005-11-10 21:44:49 +01:00
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src="images/Proxmox.png"
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style="border: 0px solid ; width: 141px; height: 17px;" align="middle"
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hspace="4"></a>Proxmox
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firewall is based on Shorewall and Debian Sarge. It has an automated
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installer and a GUI.<br>
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<br>
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<hr>
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<h2><a name="Donations"></a>Donations</h2>
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<a href="http://www.alz.org/" target="_top"><font color="#000000"><img
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src="images/alz_logo2.gif" name="Graphic2"
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2005-11-07 05:42:30 +01:00
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alt="(Alzheimer's Association Logo)"
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style="border: 0px solid ; width: 303px; height: 63px;" align="right"></font></a><a
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href="http://www.starlight.org/" target="_top"><font color="#000000"><img
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src="images/newlog.gif" name="Graphic3"
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alt="(Starlight Foundation Logo)"
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style="border: 0px solid ; width: 62px; height: 105px;" align="right"></font></a>Shorewall
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is free but if you try it and find it useful, please consider making a
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donation to the <a href="http://www.alz.org/" target="_top">Alzheimer's
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Association</a> or to the <a href="http://www.starlight.org/"
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target="_top">Starlight Children's Foundation</a>.
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<br>
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<br>
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Thank You<font size="4"><br>
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</font>
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<p align="left"><br>
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<br>
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</p>
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</body>
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