forked from extern/shorewall_code
18b16b4f86
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@1459 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
373 lines
14 KiB
XML
373 lines
14 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<article>
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<articleinfo>
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<title>Shorewall Errata</title>
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<authorgroup>
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<author>
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<firstname>Tom</firstname>
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<surname>Eastep</surname>
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</author>
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</authorgroup>
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<pubdate>2004-07-09</pubdate>
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<copyright>
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<year>2001-2004</year>
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<holder>Thomas M. Eastep</holder>
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</copyright>
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<legalnotice>
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<para>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; with
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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
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<quote><ulink url="GnuCopyright.htm">GNU Free Documentation License</ulink></quote>.</para>
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</legalnotice>
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</articleinfo>
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<caution>
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<itemizedlist>
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<listitem>
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<para>If you use a Windows system to download a corrected script, be
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sure to run the script through <ulink
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url="http://www.megaloman.com/~hany/software/hd2u/">dos2unix</ulink>
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after you have moved it to your Linux system.</para>
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</listitem>
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<listitem>
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<para>If you are installing Shorewall for the first time and plan to
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use the .tgz and install.sh script, you can untar the archive, replace
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the <quote>firewall</quote> script in the untarred directory with the
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one you downloaded below, and then run install.sh.</para>
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</listitem>
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<listitem>
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<para>When the instructions say to install a corrected firewall script
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in /usr/share/shorewall/firewall, you may rename the existing file
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before copying in the new file.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">DO NOT INSTALL CORRECTED COMPONENTS ON A
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RELEASE EARLIER THAN THE ONE THAT THEY ARE LISTED UNDER BELOW.</emphasis>
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For example, do NOT install the 2.0.2 firewall script if you are
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running 2.0.0-RC2</para>
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</listitem>
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</itemizedlist>
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</caution>
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<section>
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<title>RFC1918 File</title>
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<para><ulink
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url="http://shorewall.net/pub/shorewall/errata/1.4.10/rfc1918">Here</ulink>
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is the most up to date version of the <ulink
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url="Documentation.htm#rfc1918">rfc1918 file</ulink>. This file only
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applies to Shorewall version 2.0.0 and its bugfix updates. In Shorewall
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2.0.1 and later releases, the <filename>bogons</filename> file lists IP
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ranges that are reserved by the IANA and the <filename>rfc1918</filename>
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file only lists those three ranges that are reserved by <ulink
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url="shorewall_setup_guide.htm#RFC1918">RFC 1918</ulink>.</para>
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</section>
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<section>
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<title>Bogons File</title>
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<para><ulink url="http://shorewall.net/pub/shorewall/errata/2.0.1/bogons">Here</ulink>
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is the most up to date version of the <ulink
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url="Documentation.htm#Bogons">bogons file</ulink>.</para>
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</section>
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<section>
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<title>Problems in Version 2.0</title>
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<section>
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<title>Shorewall 2.0.3a through 2.0.4</title>
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<itemizedlist>
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<listitem>
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<para>Error messages regarding $RESTOREBASE occur during <emphasis
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role="bold">shorewall stop</emphasis> if DISABLE_IPV6=Yes in
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shorewall.conf.</para>
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</listitem>
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</itemizedlist>
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<para>Corrected in <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.3/firewall">this
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firewall script</ulink> which may be installed in
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/usr/share/shorewall/firewall as described above. Also fixed in
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Shorewall Version 2.0.5.</para>
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</section>
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<section>
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<title>Shorewall 2.0.2 and all Shorewall 2.0.3 Releases.</title>
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<itemizedlist>
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<listitem>
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<para>DNAT rules with <emphasis role="bold">fw</emphasis> as the
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source zone and that specify logging cause <command>shorewall start</command>
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to fail with an iptables error. The problem is corrected for
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Shorewall 2.0.3 users in <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.3/firewall">this
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firewall script</ulink> which may be installed in
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/usr/share/shorewall/firewall as described above.</para>
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</listitem>
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</itemizedlist>
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</section>
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<section>
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<title>Shorewall 2.0.3a and 2.0.3b</title>
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<itemizedlist>
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<listitem>
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<para>Error messages regarding $RESTOREBASE occur during <emphasis
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role="bold">shorewall stop</emphasis>.</para>
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</listitem>
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<listitem>
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<para>If CLEAR_TC=Yes in <filename>shorewall.conf</filename>,
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<emphasis role="bold">shorewall stop</emphasis> fails without
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removing the lock file.</para>
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</listitem>
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</itemizedlist>
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<para>The above problems are corrected in Shorewall version 2.0.3c.</para>
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</section>
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<section>
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<title>Shorewall 2.0.3a</title>
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<itemizedlist>
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<listitem>
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<para>Slackware users find that version 2.0.3a fails to start
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because their <command>mktemp</command> utility does not support the
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-d option. This may be corrected by installing <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.3/functions">this
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corrected <filename>functions</filename> file</ulink> in <filename
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class="directory">/var/lib/shorewall/functions</filename>.</para>
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</listitem>
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<listitem>
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<para>Shorewall fails to start if there is no <command>mktemp</command>
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utility.</para>
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</listitem>
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</itemizedlist>
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<para>These problems are corrected in Shorewall version 2.0.3b.</para>
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</section>
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<section>
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<title>Shorewall 2.0.3</title>
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<itemizedlist>
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<listitem>
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<para>A non-empty entry in the DEST column of /etc/shorewall/tcrules
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will result in an error message and Shorewall fails to start. This
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problem is fixed in Shorewall version 2.0.3a.</para>
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</listitem>
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<listitem>
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<para>A potentially exploitable vulnerability in the way that
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Shorewall handles temporary files and directories has been found by
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Javier Fernández-Sanguino Peña. This vulnerability is corrected in
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Shorewall 2.0.3a. All Shorewall 2.0.x users are urged to upgrade to
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2.0.3a.</para>
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</listitem>
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</itemizedlist>
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</section>
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<section>
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<title>Shorewall 2.0.2</title>
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<itemizedlist>
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<listitem>
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<para>Temporary restore files with names of the form
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<filename>restore-</filename><emphasis>nnnnn</emphasis> are left in
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/var/lib/shorewall.</para>
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</listitem>
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<listitem>
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<para>"shorewall restore" and "shorewall -f start"
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do not load kernel modules.</para>
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<para><emphasis role="bold">The above two problems are corrected in
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Shorewall 2.0.2a</emphasis></para>
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</listitem>
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<listitem>
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<para>Specifying a null common action in /etc/shorewall/actions
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(e.g., :REJECT) results in a startup error.</para>
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</listitem>
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<listitem>
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<para>If <filename>/var/lib/shorewall</filename> does not exist,
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<command>shorewall start</command> fails.</para>
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<para><emphasis role="bold">The above four problems are corrected in
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Shorewall 2.0.2b</emphasis></para>
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</listitem>
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<listitem>
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<para>DNAT rules work incorrectly with dynamic zones in that the
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source interface is not included in the nat table DNAT rule.</para>
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<para><emphasis role="bold">The above five problems are corrected in
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Shorewall 2.0.2c</emphasis></para>
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</listitem>
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<listitem>
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<para>During start and restart, Shorewall is detecting capabilities
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before loading kernel modules. Consequently, if kernel module
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autoloading is disabled, capabilities can be mis-detected during
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boot.</para>
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</listitem>
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<listitem>
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<para>The <emphasis>newnotsyn</emphasis> option in
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<filename>/etc/shorewall/hosts</filename> has no effect.</para>
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<para><emphasis role="bold">The above seven problems are corrected
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in Shorewall 2.0.2d</emphasis></para>
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</listitem>
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<listitem>
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<para>Use of the LOG target in an action results in two LOG or ULOG
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rules.</para>
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<para><emphasis role="bold">The above eight problems are corrected
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in Shorewall 2.0.2e</emphasis></para>
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</listitem>
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<listitem>
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<para>Kernel modules fail to load when MODULE_SUFFIX isn't set
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in shorewall.conf</para>
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<para><emphasis role="bold">All of the above problems are corrected
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in Shorewall 2.0.2f</emphasis></para>
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</listitem>
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</itemizedlist>
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<para>These problems are all corrected by the <filename>firewall</filename>
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and <filename>functions</filename> files in <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.2">this directory</ulink>.
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Both files must be installed in <filename>/usr/share/shorewall/</filename>
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as described above.</para>
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</section>
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<section>
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<title>Shorewall 2.0.1</title>
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<itemizedlist>
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<listitem>
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<para>Confusing message mentioning IPV6 occur at startup.</para>
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</listitem>
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<listitem>
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<para>Modules listed in /etc/shorewall/modules don't load or
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produce errors on Mandrake 10.0 Final.</para>
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</listitem>
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<listitem>
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<para>The <command>shorewall delete</command> command does not
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remove all dynamic rules pertaining to the host(s) being deleted.</para>
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</listitem>
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</itemizedlist>
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<para>These problems are corrected in <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.1/firewall">this
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firewall script</ulink> which may be installed in <filename>/usr/share/shorewall/firewall</filename>
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as described above.</para>
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<itemizedlist>
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<listitem>
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<para>When run on a SuSE system, the install.sh script fails to
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configure Shorewall to start at boot time. That problem is corrected
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in <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.1/install.sh">this
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version of the script</ulink>.</para>
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</listitem>
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</itemizedlist>
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</section>
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<section>
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<title>Shorewall 2.0.1/2.0.0</title>
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<itemizedlist>
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<listitem>
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<para>On Debian systems, an install using the tarball results in an
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inability to start Shorewall at system boot. If you already have
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this problem, install <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.1/init.debian.sh">this
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file</ulink> as /etc/init.d/shorewall (replacing the existing file
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with that name). If you are just installing or upgrading to
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Shorewall 2.0.0 or 2.0.1, then replace the <filename>init.debian.sh</filename>
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file in the Shorewall distribution directory (shorewall-2.0.x) with
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the updated file before running <command>install.sh</command> from
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that directory.</para>
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</listitem>
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</itemizedlist>
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</section>
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<section>
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<title>Shorewall 2.0.0</title>
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<itemizedlist>
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<listitem>
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<para>When using an Action in the ACTIONS column of a rule, you may
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receive a warning message about the rule being a policy. While this
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warning may be safely ignored, it can be eliminated by installing
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the script from the link below.</para>
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</listitem>
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<listitem>
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<para>Thanks to Sean Mathews, a long-standing problem with Proxy ARP
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and IPSEC has been corrected.</para>
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</listitem>
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</itemizedlist>
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<para>The first problem has been corrected in Shorewall update 2.0.0a.</para>
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<para>All of these problems may be corrected by installing <ulink
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url="http://shorewall.net/pub/shorewall/errata/2.0.0/firewall">this
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firewall script</ulink> in /usr/share/shorewall as described above.</para>
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</section>
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</section>
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<section>
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<title>Upgrade Issues</title>
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<para>The upgrade issues have moved to <ulink url="upgrade_issues.htm">a
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separate page</ulink>.</para>
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</section>
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<section>
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<title>Problem with iptables 1.2.9</title>
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<para>If you want to use the new features in Shorewall 2.0.2 (Betas, RCs,
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Final) or later then you need to patch your iptables 1.2.9 with <ulink
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url="http://shorewall.net/pub/shorewall/errata/iptables-1.2.9.diff">this
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patch</ulink> or you need to use the <ulink
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url="http://www.netfilter.org/downloads.html#cvs">CVS version of iptables</ulink>.</para>
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</section>
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<section>
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<title>Problems with RH Kernels after 2.4.20-9 and REJECT (also applies to
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2.4.21-RC1)</title>
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<para>Beginning with errata kernel 2.4.20-13.9, <quote>REJECT
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--reject-with tcp-reset</quote> is broken. The symptom most commonly seen
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is that REJECT rules act just like DROP rules when dealing with TCP. A
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kernel patch and precompiled modules to fix this problem are available at
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<ulink url="ftp://ftp1.shorewall.net/pub/shorewall/errata/kernel">ftp://ftp1.shorewall.net/pub/shorewall/errata/kernel</ulink></para>
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<note>
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<para>RedHat have corrected this problem in their 2.4.20-27.x kernels.</para>
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</note>
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</section>
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</article> |