2009-08-03 23:49:51 +02:00
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<title>Shorewall Notices</title>
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<base target="_self">
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<meta name="CREATED" content="20040920;15031500">
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<table style="text-align: left; width: 100%;" border="0" cellpadding="2"
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<tbody>
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<tr style="font-weight: bold;">
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<td style="vertical-align: top;"><a href="#Shell-EOL">Attention
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Shorwall-shell Users</a><br>
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</td>
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<td style="vertical-align: top;"><a href="#Perl">Attention
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Shorewall-perl 4.2 Users</a><br>
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</td>
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<td style="vertical-align: top;"><a href="#Notice">Attention
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Users of Shorewall's Multi-ISP Feature</a><br>
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</td>
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</tr>
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<tr>
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<td style="vertical-align: top; font-weight: bold;"><a
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href="Notices.html#Notice1">Attention Users of BRIDGING=Yes</a></td>
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<td style="vertical-align: top; font-weight: bold;"><a
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href="Notices.html#Kernel2.4">Attention Kernel 2.4 Users</a></td>
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<td style="vertical-align: top;"><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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2009-08-18 16:58:56 +02:00
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<hr><span style="font-weight: bold;">2009-08-18<br>
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2009-08-03 23:49:51 +02:00
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</span>
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<h2><a name="Shell-EOL"></a>End-of-life for Shorewall-shell in
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Shorewall 4.4<br>
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</h2>
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2009-08-18 16:58:56 +02:00
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Shorewall 4.4, released in August 2009, does not include
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2009-08-03 23:49:51 +02:00
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Shorewall-shell. Because Shorewall 4.0 is included in Debian Lenny, the
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4.0 release of Shorewall-shell will continue to be supported until
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Debian Squeeze is released. The 4.2 release of Shorewall-shell will
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continue to be supported until Shorewall 4.6 is released in 2010.<br>
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<br>
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2009-08-18 01:39:15 +02:00
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Shorewall-shell users concerned about upgrading are encouraged to<a
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href="Shorewall-perl.html">
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2009-08-18 16:58:56 +02:00
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migrate to Shorewall-perl</a> before upgrading to Shorewall 4.4. By
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migrating
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before upgrading, you will be able to have both
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2009-08-18 01:39:15 +02:00
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Shorewall-shell and Shorewall-perl installed at the same time; that
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way, you can quickly fall back to Shorewall-shell if you have problems.<br>
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<br>
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Users who
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2009-08-03 23:49:51 +02:00
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run Shorewall-shell on an embedded system that is too small to support
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Perl should consider switching to <a href="CompiledPrograms.html#Lite">Shorewall-lite</a>
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with Shorewall-perl installed on an administrative system (may be a
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Windows[tm] system running <a href="http://www.cygwin.com">Cygwin</a>[tm]).<br>
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<h2><span style="font-weight: bold;"><a name="Perl"></a>Attention
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Shorewall-perl 4.2 Users</span></h2>
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<h3>Shorewall-perl 4.2.8</h3>
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Shorewall-perl 4.2.8 was dead on arrival. The compiler did not rename
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the generated script file with the result that it was removed when the
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compiler terminated. This lead to:<br>
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<ol>
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<li>It was not possible to start Shorewall or Shorewall6 for the
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first time after installing 4.2.8</li>
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<li>Changes to the configuration were apparently ignored.</li>
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</ol>
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This problem was corrected in Shorewall-perl-4.2.8.1.<br>
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<h3>Shorewall-perl 4.2.6 and Earlier<br>
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</h3>
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On February 28, Klemens Rutz reported a problem that affects all<span
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style="font-family: monospace;"><span style="font-family: sans-serif;">
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</span></span>Shorewall-perl 4.2 versions prior to 4.2.6.1.<br>
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<span style="font-family: monospace;"><br>
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</span>The problem:<br>
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<ol>
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<li>Only occurs when there are multiple non-firewall zones.</li>
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<li>Results in the following interface options not being applied to
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forwarded traffic.</li>
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</ol>
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<div style="margin-left: 40px;">blacklist<br>
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dhcp<br>
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maclist (when MACLIST_TABLE=filter)<br>
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norfc1918<br>
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nosmurfs<br>
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tcpflags<br>
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</div>
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<br>
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User are encouraged to either:<br>
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<ul>
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<li>Upgrade to Shorewall-perl-4.2.6.1 or later; or</li>
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<li>Apply the patch found at:</li>
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</ul>
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<div style="margin-left: 40px;"><a class="moz-txt-link-freetext"
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href="http://www.shorewall.net/pub/shorewall/4.2/forward.patch">http://www.shorewall.net/pub/shorewall/4.2/forward.patch</a><br>
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<a class="moz-txt-link-freetext"
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href="ftp://ftp.shorewall.net/pub/shorewall/4.2/forward.patch">ftp://ftp.shorewall.net/pub/shorewall/4.2/forward.patch</a></div>
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<br>
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<div style="margin-left: 40px;">To apply the patch, execute this
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command:<br>
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</div>
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<div style="margin-left: 80px;">
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<pre> patch /usr/share/shorewall-perl/Shorewall/Rules.pm < forward.patch</pre>
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</div>
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<div style="margin-left: 40px;">The patch may apply with fuzz and/or an
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offset, depending on your particular version.</div>
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<h2><a name="Notice">Attention Users of Shorewall's Multi-ISP
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Feature</a></h2>
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<p>A bug in Shorewall versions 3.2.0-3.2.10, 3.4.0-3.4.6 and
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Shorewall-shell
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4.0.0-4.0.2 prevents proper handling of PREROUTING marks when
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HIGH_ROUTE_MARKS=No and the <strong>track</strong> option is
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specified.
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Patches are available to correct this problem:</p>
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<p>Shorewall version 3.2.0-3.2.10, 3.4.0-3.4.3: <a
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href="http://www1.shorewall.net/pub/shorewall/3.2/shorewall-3.2.10/errata/patches/Shorewall/patch-3.2.10-2.diff">http://www1.shorewall.net/pub/shorewall/3.2/shorewall-3.2.10/errata/patches/Shorewall/patch-3.2.10-2.diff</a></p>
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<p>Shorewall version 3.4.4-3.4.6: <a
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href="http://www1.shorewall.net/pub/shorewall/3.4/shorewall-3.4.6/errata/patches/Shorewall/patch-3.4.6-1.diff">http://www1.shorewall.net/pub/shorewall/3.4/shorewall-3.4.66/errata/patches/Shorewall/patch-3.4.6-1.diff</a></p>
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<p>Shorewall-shell version 4.0.0-4.0.2: <a
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href="http://www1.shorewall.net/pub/shorewall/4.0/shorewall-4.0.2/errata/patches/Shorewall-shell/patch-shell-4.0.2-2.diff">http://www1.shorewall.net/pub/shorewall/4.0/shorewall-4.0.2/errata/patches/Shorewall-shell/patch-shell-4.0.2-2.diff</a></p>
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<p>Note that a patch may succeed with an offset when applied to a
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release
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other than the one for which it was specifically prepared. For example,
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when
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the patch for 3.2.0-3.2.10, 3.4.0-3.4.3 (which was prepared for release
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3.2.10) is applied to release 3.4.3, the following is the result:</p>
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<pre>root@wookie:~# <strong>cd /usr/share/shorewall</strong>
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root@wookie/usr/share/shorewall#: <strong>patch < ~/shorewall/tags/3.2.10/Shorewall.updated/patch-3.2.10-2.diff</strong> <br>patching file compiler<br>Hunk #1 succeeded at 958 (offset -1669 lines).<br>root@wookie:/usr/share/shorewall#</pre>
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<h3>Update -- 7 November 2007</h3>
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<p>A second bug in Shorewall versions 3.2.0-3.2.11, 3.4.0-3.4.7 and
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4.0.0-4.0.5 can cause improper handing of PREROUTING and OUTPUT marks
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when
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HIGH_ROUTE_MARKS=Yes. Patches are also available to correct this
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problem:</p>
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<p>Shorewall version 3.2.3-3.2.11: <a
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href="http://www1.shorewall.net/pub/shorewall/3.2/shorewall-3.2.11/errata/patches/Shorewall/patch-3.2.11-1.diff">http://www1.shorewall.net/pub/shorewall/3.2/shorewall-3.2.11/errata/patches/Shorewall/patch-3.2.11-1.diff</a></p>
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<p>Shorewall version 3.4.0-3.4.7: <a
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href="http://www1.shorewall.net/pub/shorewall/3.4/shorewall-3.4.7/errata/patches/Shorewall/patch-3.4.7-1.diff">http://www1.shorewall.net/pub/shorewall/3.4/shorewall-3.4.7/errata/patches/Shorewall/patch-3.4.7-1.diff</a></p>
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<p>Shorewall version 4.0.0-4.0.5: <a
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href="http://www1.shorewall.net/pub/shorewall/4.0/shorewall-4.0.5/errata/patches/Shorewall-shell/patch-shell-4.0.5-1.diff">http://www1.shorewall.net/pub/shorewall/4.0/shorewall-4.0.5/errata/patches/Shorewall-shell/patch-shell-4.0.5-1.diff</a>
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and <a
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href="http://www1.shorewall.net/pub/shorewall/4.0/shorewall-4.0.5/errata/patches/Shorewall-perl/patch-perl-4.0.5-4.diff">http://www1.shorewall.net/pub/shorewall/4.0/shorewall-4.0.5/errata/patches/Shorewall-perl/patch-perl-4.0.5-4.diff</a>.</p>
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<hr>
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<h2><a name="Notice1">Attention Users of BRIDGING=Yes</a></h2>
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<p>In Linux Kernel version 2.6.20, the Netfilter team changed Physdev
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Match
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so that it is no longer capable of supporting BRIDGING=Yes. The
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solutions
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available to users are to either:</p>
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<ol>
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<li>Switch to using the technique described at <a
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href="http://www.shorewall.net/3.0/NewBridge.html">http://www.shorewall.net/3.0/NewBridge.html</a>;
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or<br>
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</li>
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<li>Upgrade to Shorewall 4.0, migrate to using Shorewall-perl, and
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follow the instructions at <a
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href="http://www1.shorewall.net/bridge-Shorewall-perl.html">http://www1.shorewall.net/bridge-Shorewall-perl.html.</a>
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</li>
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</ol>
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<p>The first approach allows you to switch back and forth between
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kernels
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older and newer than 2.6.20. The second approach is a better long-term
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solution.</p>
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<hr style="width: 100%; height: 2px;">
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<h2><a name="Kernel2.4"></a>Attention Users of Kernel 2.4</h2>
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The Shorewall developers do not test Shorewall running on Kernel 2.4
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and we make no representation about the functionality of Shorewall on
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that Kernel. Any failure of Shorewall on Kernel 2.4 will not be
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investigated by the Shorewall team.<br>
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<hr>
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Copyright © 2001-2009 Thomas M. Eastep<br>
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<br>
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Permission is granted to copy, distribute and/or modify this
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document
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under the terms of the GNU Free Documentation License, Version 1.2 or
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any
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later version published by the Free Software Foundation; with no
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Invariant
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Sections, with no Front-Cover, and with no Back-Cover Texts. A copy of
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the
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license is included in the section entitled <span
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style="text-decoration: underline;">"</span><a href="GnuCopyright.htm"
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target="_self">GNU Free Documentation License</a>".
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</body>
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</html>
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