forked from extern/shorewall_code
00b43e6a2e
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@675 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
666 lines
35 KiB
HTML
666 lines
35 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type"
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content="text/html; charset=windows-1252">
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<title>Shoreline Firewall (Shorewall) 1.4</title>
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<base target="_self">
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</head>
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<body>
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<table border="0" cellpadding="0" cellspacing="4"
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style="border-collapse: collapse;" width="100%" id="AutoNumber3"
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bgcolor="#3366ff">
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<tbody>
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<tr>
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<td width="33%" height="90"
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valign="middle" align="left"><a href="http://www.cityofshoreline.com"><img
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src="images/washington.jpg" alt="" width="97" height="80" hspace="4"
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border="0">
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</a></td>
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<td valign="middle"
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bgcolor="#3366ff" width="34%" align="center">
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<img
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src="images/Logo1.png" alt="(Shorewall Logo)" width="430" height="90">
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</td>
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<td valign="top" width="33"><br>
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</td>
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</tr>
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</tbody>
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</table>
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<div align="center">
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<center>
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<table border="0" cellpadding="0" cellspacing="0"
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style="border-collapse: collapse;" width="100%" id="AutoNumber4">
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<tbody>
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<tr>
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<td width="90%">
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<h2 align="left">What is it?</h2>
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<p>The Shoreline Firewall, more commonly known as "Shorewall", is
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a <a
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href="http://www.netfilter.org">Netfilter</a> (iptables)
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based firewall that can be used on a dedicated
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firewall system, a multi-function gateway/router/server
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or on a standalone GNU/Linux system.</p>
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<p>This program is free software; you can redistribute it and/or modify
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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
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Foundation.<br>
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<br>
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This program is distributed
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in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without
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even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more
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details.<br>
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<br>
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You should have received a
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copy of the GNU General Public License
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along with this program; if not,
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write to the Free Software Foundation,
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Inc., 675 Mass Ave, Cambridge, MA 02139,
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USA</p>
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<p><a href="copyright.htm">Copyright 2001, 2002, 2003 Thomas M. Eastep</a></p>
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<h2>This is the Shorewall 1.4 Web Site</h2>
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The information on this site applies only to 1.4.x releases of Shorewall.
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For older versions:<br>
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<ul>
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<li>The 1.3 site is <a
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href="http://www.shorewall.net/1.3" target="_top">here.</a></li>
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<li>The 1.2 site is <a href="http://shorewall.net/1.2/"
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target="_top">here</a>.<br>
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</li>
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</ul>
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<h2>Getting Started with Shorewall</h2>
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New to Shorewall? Start by selecting
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the <a
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href="file:///vfat/Shorewall-docs/shorewall_quickstart_guide.htm">QuickStart
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Guide</a> that most closely match your environment and follow
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the step by step instructions.<br>
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<h2>Looking for Information?</h2>
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The <a href="shorewall_quickstart_guide.htm#Documentation">Documentation
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Index</a> is a good place to start as is the Quick Search to your right.
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<h2>Running Shorewall on Mandrake with a two-interface setup?</h2>
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If so, the documentation<b> </b>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 uninstalling
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what you have and installing a setup that matches the documentation
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on this site. See the <a href="two-interface.htm">Two-interface
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QuickStart Guide</a> for details.
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<h2></h2>
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<h2><b>News</b></h2>
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<p><b>7/22/2003 - Shorewall-1.4.6a</b><b> <img border="0"
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src="images/new10.gif" width="28" height="12" alt="(New)">
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<br>
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</b></p>
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<b>Problems Corrected:</b><br>
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<ol>
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<li>Previously, if TC_ENABLED is set to yes in shorewall.conf then
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Shorewall would fail to start with the error "ERROR: <20>Traffic Control requires
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Mangle"; that problem has been corrected.</li>
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</ol>
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<p><b>7/20/2003 - Shorewall-1.4.6</b><b> <img border="0"
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src="images/new10.gif" width="28" height="12" alt="(New)">
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<br>
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</b> </p>
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<p><b>Problems Corrected:</b><br>
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</p>
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<ol>
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<li>A problem seen on RH7.3 systems where Shorewall encountered
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start errors when started using the "service" mechanism has been worked
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around.<br>
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<br>
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</li>
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<li>Where a list of IP addresses appears in the DEST column of
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a DNAT[-] rule, Shorewall incorrectly created multiple DNAT rules in
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the nat table (one for each element in the list). Shorewall now correctly
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creates a single DNAT rule with multiple "--to-destination" clauses.<br>
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<br>
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</li>
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<li>Corrected a problem in Beta 1 where DNS names containing a
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"-" were mis-handled when they appeared in the DEST column of a rule.<br>
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<br>
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</li>
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<li>A number of problems with rule parsing have been corrected.
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Corrections involve the handling of "z1!z2" in the SOURCE column as well
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as lists in the ORIGINAL DESTINATION column.<br>
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<br>
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</li>
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<li>The message "Adding rules for DHCP" is now suppressed if there
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are no DHCP rules to add.</li>
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</ol>
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<p><b>Migration Issues:</b><br>
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</p>
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<ol>
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<li>In earlier versions, an undocumented feature allowed
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entries in the host file as follows:<br>
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<br>
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<20> <20> z<><7A><EFBFBD> eth1:192.168.1.0/24,eth2:192.168.2.0/24<br>
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<br>
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This capability was never documented and has been removed in 1.4.6
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to allow entries of the following format:<br>
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<br>
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<20> <20> z<><7A> eth1:192.168.1.0/24,192.168.2.0/24<br>
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<br>
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</li>
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<li>The NAT_ENABLED, MANGLE_ENABLED and MULTIPORT options
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have been removed from /etc/shorewall/shorewall.conf. These capabilities
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are now automatically detected by Shorewall (see below).<br>
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</li>
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</ol>
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<p><b>New Features:</b><br>
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</p>
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<ol>
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<li>A 'newnotsyn' interface option has been added. This option
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may be specified in /etc/shorewall/interfaces and overrides the setting
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NEWNOTSYN=No for packets arriving on the associated interface.<br>
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<br>
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</li>
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<li>The means for specifying a range of IP addresses in /etc/shorewall/masq
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to use for SNAT is now documented. ADD_SNAT_ALIASES=Yes is enabled for
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address ranges.<br>
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<br>
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</li>
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<li>Shorewall can now add IP addresses to subnets other than
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the first one on an interface.<br>
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<br>
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</li>
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<li>DNAT[-] rules may now be used to load balance (round-robin)
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over a set of servers. Servers may be specified in a range of addresses
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given as <first address>-<last address>.<br>
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<br>
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Example:<br>
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<br>
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<20> <20> DNAT net loc:192.168.10.2-192.168.10.5 tcp 80<br>
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<br>
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</li>
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<li>The NAT_ENABLED, MANGLE_ENABLED and MULTIPORT configuration
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options have been removed and have been replaced by code that detects
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whether these capabilities are present in the current kernel. The output
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of the start, restart and check commands have been enhanced to report the
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outcome:<br>
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<br>
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Shorewall has detected the following iptables/netfilter capabilities:<br>
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<20> <20>NAT: Available<br>
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<20> <20>Packet Mangling: Available<br>
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<20> <20>Multi-port Match: Available<br>
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Verifying Configuration...<br>
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<br>
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</li>
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<li>Support for the Connection Tracking Match Extension has
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been added. This extension is available in recent kernel/iptables releases
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and allows for rules which match against elements in netfilter's connection
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tracking table. Shorewall automatically detects the availability of this
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extension and reports its availability in the output of the start, restart
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and check commands.<br>
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<br>
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Shorewall has detected the following iptables/netfilter capabilities:<br>
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<20> <20>NAT: Available<br>
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<20> <20>Packet Mangling: Available<br>
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<20> <20>Multi-port Match: Available<br>
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<20> <20>Connection Tracking Match: Available<br>
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Verifying Configuration...<br>
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<br>
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If this extension is available, the ruleset generated by Shorewall
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is changed in the following ways:</li>
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<ul>
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<li>To handle 'norfc1918' filtering, Shorewall will not
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create chains in the mangle table but will rather do all 'norfc1918' filtering
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in the filter table (rfc1918 chain).</li>
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<li>Recall that Shorewall DNAT rules generate two netfilter
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rules; one in the nat table and one in the filter table. If the Connection
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Tracking Match Extension is available, the rule in the filter table is
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extended to check that the original destination address was the same as
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specified (or defaulted to) in the DNAT rule.<br>
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<br>
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</li>
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</ul>
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<li>The shell used to interpret the firewall script (/usr/share/shorewall/firewall)
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may now be specified using the SHOREWALL_SHELL parameter in shorewall.conf.<br>
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<br>
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</li>
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<li>An 'ipcalc' command has been added to /sbin/shorewall.<br>
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<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> ipcalc [ <address> <netmask> | <address>/<vlsm>
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]<br>
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<br>
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Examples:<br>
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<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> [root@wookie root]# shorewall ipcalc 192.168.1.0/24<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CIDR=192.168.1.0/24<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NETMASK=255.255.255.0<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NETWORK=192.168.1.0<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> BROADCAST=192.168.1.255<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> [root@wookie root]#<br>
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<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> [root@wookie root]# shorewall ipcalc 192.168.1.0 255.255.255.0<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CIDR=192.168.1.0/24<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NETMASK=255.255.255.0<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NETWORK=192.168.1.0<br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> BROADCAST=192.168.1.255<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> [root@wookie root]#<br>
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<br>
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Warning:<br>
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<br>
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If your shell only supports 32-bit signed arithmatic (ash or dash),
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then the ipcalc command produces incorrect information for IP addresses
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128.0.0.0-1 and for /1 networks. Bash should produce correct information
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for all valid IP addresses.<br>
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<br>
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</li>
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<li>An 'iprange' command has been added to /sbin/shorewall.
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<br>
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<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> iprange <address>-<address><br>
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<br>
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This command decomposes a range of IP addressses into a list of
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network and host addresses. The command can be useful if you need to
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construct an efficient set of rules that accept connections from a range
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of network addresses.<br>
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<br>
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Note: If your shell only supports 32-bit signed arithmetic (ash
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or dash) then the range may not span 128.0.0.0.<br>
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<br>
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Example:<br>
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<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> [root@gateway root]# shorewall iprange 192.168.1.4-192.168.12.9<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.1.4/30<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.1.8/29<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.1.16/28<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.1.32/27<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.1.64/26<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.1.128/25<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.2.0/23<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.4.0/22<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.8.0/22<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.12.0/29<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> 192.168.12.8/31<br>
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<20><><EFBFBD><EFBFBD><EFBFBD> [root@gateway root]#<br>
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<br>
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</li>
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<li>A list of host/net addresses is now allowed in an entry
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in /etc/shorewall/hosts.<br>
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<br>
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Example:<br>
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<br>
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<20><><EFBFBD> foo<6F><6F><EFBFBD> eth1:192.168.1.0/24,192.168.2.0/24<br>
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<br>
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</li>
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<li value="11">The "shorewall check" command now includes the chain
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name when printing the applicable policy for each pair of zones.<br>
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<20><br>
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<20><><EFBFBD> Example:<br>
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<20><br>
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Policy for dmz to net is REJECT using chain all2all<br>
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<20><br>
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This means that the policy for connections from the dmz to the internet
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is REJECT and the applicable entry in the /etc/shorewall/policy was the all->all
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policy.<br>
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<br>
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</li>
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<li>Support for the 2.6 Kernel series has been added.<br>
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</li>
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</ol>
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<b> </b>
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<ol>
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</ol>
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<p><b>7/15/2003 - New Mirror in Brazil</b><b> <img border="0"
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src="images/new10.gif" width="28" height="12" alt="(New)">
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<br>
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</b></p>
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Thanks to the folks at securityopensource.org.br, there is now a <a
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href="http://shorewall.securityopensource.org.br" target="_top">Shorewall
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mirror in Brazil</a>
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<p><b>6/17/2003 - Shorewall-1.4.5</b><b> </b></p>
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<p>Problems Corrected:<br>
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</p>
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<ol>
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<li>The command "shorewall debug try <directory>"
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now correctly traces the attempt.</li>
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<li>The INCLUDE directive now works properly in the
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zones file; previously, INCLUDE in that file was ignored.</li>
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<li>/etc/shorewall/routestopped records with an empty
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second column are no longer ignored.<br>
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</li>
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</ol>
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<p>New Features:<br>
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</p>
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<ol>
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<li>The ORIGINAL DEST column in a DNAT[-] or REDIRECT[-]
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rule may now contain a list of addresses. If the list begins with "!'
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then the rule will take effect only if the original destination address
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in the connection request does not match any of the addresses listed.</li>
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</ol>
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<p><b>6/15/2003 - Shorewall, Kernel 2.4.21 and iptables 1.2.8</b><b>
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</b></p>
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The firewall at shorewall.net has been upgraded to the
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2.4.21 kernel and iptables 1.2.8 (using the "official" RPM from netfilter.org).
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No problems have been encountered with this set of software. The Shorewall
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version is 1.4.4b plus the accumulated changes for 1.4.5.
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<p><b>6/8/2003 - Updated Samples</b><b> </b></p>
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<p>Thanks to Francesca Smith, the samples have been updated to Shorewall
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version 1.4.4.</p>
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<p><b></b></p>
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||
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<ol>
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</ol>
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|
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<p><b></b></p>
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<p><b></b></p>
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<blockquote>
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<ol>
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</ol>
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</blockquote>
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<p><a href="file:///Z:/Shorewall-docs/News.htm"></a></p>
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<b> </b>
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<p><b><a href="News.htm">More News</a></b></p>
|
||
<b> </b>
|
||
|
||
|
||
|
||
|
||
|
||
<h2><b> </b></h2>
|
||
<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-1.4.2 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>
|
||
|
||
|
||
|
||
|
||
<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&type=3">
|
||
|
||
</a></b></h1>
|
||
<b> </b>
|
||
|
||
|
||
|
||
|
||
|
||
<h4><b> </b></h4>
|
||
<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>
|
||
|
||
|
||
|
||
|
||
|
||
<h2><b><a name="Donations"></a>Donations</b></h2>
|
||
<b>
|
||
</b></td>
|
||
|
||
<td width="88" bgcolor="#3366ff"
|
||
valign="top" align="center">
|
||
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||
|
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|
||
<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>
|
||
<20></p>
|
||
|
||
|
||
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||
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<p><font color="#ffffff"><strong>Quick Search</strong></font><br>
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<font face="Arial" size="-1">
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<input type="text" name="words" size="15"></font><font
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size="-1"> </font><font face="Arial" size="-1"> <input
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type="hidden" name="method" value="and"> <input type="hidden"
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name="config" value="htdig"> <input type="submit"
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value="Search"></font> </p>
|
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<font face="Arial">
|
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<input type="hidden" name="exclude"
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value="[http://lists.shorewall.net/pipermail/*]"> </font>
|
||
</form>
|
||
|
||
|
||
|
||
|
||
<p><font color="#ffffff"><b> <a
|
||
href="http://lists.shorewall.net/htdig/search.html"> <font
|
||
color="#ffffff">Extended Search</font></a></b></font></p>
|
||
<a target="_top"
|
||
href="file:///vfat/Shorewall-docs/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></small></small></small></font></a><br>
|
||
</td>
|
||
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</tr>
|
||
|
||
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||
|
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</tbody>
|
||
</table>
|
||
|
||
</center>
|
||
|
||
</div>
|
||
|
||
|
||
<table border="0" cellpadding="5" cellspacing="0"
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style="border-collapse: collapse;" width="100%" id="AutoNumber2"
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bgcolor="#3366ff">
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<tbody>
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<tr>
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<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"><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>
|
||
|
||
</tr>
|
||
|
||
|
||
|
||
</tbody>
|
||
</table>
|
||
|
||
|
||
<p><font size="2">Updated 7/22/2003 - <a href="support.htm">Tom Eastep</a></font>
|
||
<br>
|
||
</p>
|
||
</body>
|
||
</html>
|