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304 lines
12 KiB
XML
304 lines
12 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 id="IPIP">
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<!--$Id$-->
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<articleinfo>
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<title>Shorewall Support Guide</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>2004-01-01</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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<section>
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<title>Before Reporting a Problem or Asking a Question</title>
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<para>There are a number of sources of Shorewall information. Please try
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these before you post.</para>
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<itemizedlist>
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<listitem>
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<para>More than half of the questions posted on the support list have
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answers directly accessible from the <ulink
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url="Documentation_Index.html">Documentation Index</ulink></para>
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</listitem>
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<listitem>
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<para>The <ulink url="FAQ.htm">FAQ</ulink> has solutions to more than
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30 common problems.</para>
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</listitem>
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<listitem>
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<para>The <ulink url="troubleshoot.htm">Troubleshooting Information</ulink>
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contains a number of tips to help you solve common problems.</para>
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</listitem>
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<listitem>
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<para>The <ulink url="errata.htm">Errata</ulink> has links to download
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updated components.</para>
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</listitem>
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<listitem>
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<para>The <ulink url="http://lists.shorewall.net/htdig/search.html">Site
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and Mailing List Archives search facility</ulink> can locate documents
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and posts about similar problems:</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>Problem Reporting Guidelines</title>
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<note>
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<para>Shorewall versions earlier that 1.3.0 are no longer supported.</para>
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</note>
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<itemizedlist>
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<listitem>
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<para>Please remember we only know what is posted in your message. Do
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not leave out any information that appears to be correct, or was
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mentioned in a previous post. There have been countless posts by
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people who were sure that some part of their configuration was correct
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when it actually contained a small error. We tend to be skeptics where
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detail is lacking.</para>
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</listitem>
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<listitem>
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<para>Please keep in mind that you're asking for <emphasis
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role="bold">free</emphasis> technical support. Any help we offer is an
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act of generosity, not an obligation. Try to make it easy for us to
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help you. Follow good, courteous practices in writing and formatting
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your e-mail. Provide details that we need if you expect good answers.
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Exact quoting of error messages, log entries, command output, and
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other output is better than a paraphrase or summary.</para>
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</listitem>
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<listitem>
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<para>Please don't describe your problem as <quote>Computer A
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can't see Computer B</quote>. Of course it can't -- it
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hasn't any eyes! If ping from A to B fails, say so (and see below
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for information about reporting <quote>ping</quote> problems). If
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Computer B doesn't show up in <quote>Network Neighborhood</quote>
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then say so.</para>
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</listitem>
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<listitem>
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<para>Please give details about what doesn't work. Reports that
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say <quote>I followed the directions and it didn't work</quote>
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will elicit sympathy but probably little in the way of help. Again --
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if ping from A to B fails, say so (and see below for information about
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reporting <quote>ping</quote> problems). If Computer B doesn't
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show up in <quote>Network Neighborhood</quote> then say so. If access
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by IP address works but by DNS names it doesn't then say so.</para>
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</listitem>
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<listitem>
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<para>Please don't describe your environment and then ask us to
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send you custom configuration files. We're here to answer your
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questions but we can't do your job for you.</para>
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</listitem>
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<listitem>
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<para>When reporting a problem, <emphasis role="bold">ALWAYS</emphasis>
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include this information:</para>
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<itemizedlist>
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<listitem>
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<para>the exact version of Shorewall you are running.</para>
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<programlisting><command>shorewall version</command></programlisting>
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</listitem>
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<listitem>
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<para>the complete, exact output of</para>
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<programlisting><command>ip addr show</command></programlisting>
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</listitem>
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<listitem>
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<para>the complete, exact output of</para>
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<programlisting><command>ip route show</command></programlisting>
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</listitem>
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<listitem>
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<para><emphasis role="bold">THIS IS IMPORTANT!</emphasis> If your
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problem is that some type of connection to/from or through your
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firewall isn't working then please perform the following four
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steps:</para>
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<orderedlist>
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<listitem>
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<para>If Shorewall isn't started then <command>/sbin/shorewall/start</command>.
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Otherwise <command>/sbin/shorewall reset</command>.</para>
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</listitem>
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<listitem>
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<para>Try making the connection that is failing.</para>
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</listitem>
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<listitem>
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<para><command>/sbin/shorewall status > /tmp/status.txt</command></para>
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</listitem>
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<listitem>
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<para>Post the <filename>/tmp/status.txt</filename> file as an
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attachment (you may compress it if you like).</para>
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</listitem>
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</orderedlist>
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</listitem>
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<listitem>
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<para>the exact wording of any ping failure responses</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">If you installed Shorewall using one
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of the QuickStart Guides, please indicate which one</emphasis>.</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para>As a general matter, <emphasis role="bold">please do not edit
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the diagnostic information</emphasis> in an attempt to conceal your IP
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address, netmask, nameserver addresses, domain name, etc. These
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aren't secrets, and concealing them often misleads us (and 80% of
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the time, a hacker could derive them anyway from information contained
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in the SMTP headers of your post).</para>
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</listitem>
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<listitem>
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<para>Do you see any <quote>Shorewall</quote> messages (<quote><command>/sbin/shorewall
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show log</command></quote>) when you exercise the function that is
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giving you problems? If so, include the message(s) in your post along
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with a copy of your /etc/shorewall/interfaces file.</para>
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</listitem>
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<listitem>
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<para>Please include any of the Shorewall configuration files
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(especially the /etc/shorewall/hosts file if you have modified that
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file) that you think are relevant. If you include
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/etc/shorewall/rules, please include /etc/shorewall/policy as well
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(rules are meaningless unless one also knows the policies).</para>
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</listitem>
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<listitem>
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<para>If an error occurs when you try to <quote><command>shorewall
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start</command></quote>, include a trace (See the Troubleshooting
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section for instructions).</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">The list server limits posts to 120kb so
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don't post graphics of your network layout, etc. to the Mailing
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List -- your post will be rejected</emphasis>.</para>
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</listitem>
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<listitem>
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<para>The author gratefully acknowleges that the above list was
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heavily plagiarized from the excellent LEAF document by
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<emphasis>Ray Olszewski</emphasis> found at <ulink
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url="http://leaf-project.org/pub/doc/docmanager/docid_1891.html">http://leaf-project.org/pub/doc/docmanager/docid_1891.html</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>When using the mailing list, please post in plain text</title>
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<para>A growing number of MTAs serving list subscribers are rejecting all
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HTML traffic. At least one MTA has gone so far as to blacklist
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shorewall.net <quote>for continuous abuse</quote> because it has been my
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policy to allow HTML in list posts!!</para>
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<para>I think that blocking all HTML is a Draconian way to control spam
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and that the ultimate losers here are not the spammers but the list
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subscribers whose MTAs are bouncing all shorewall.net mail. As one list
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subscriber wrote to me privately <quote>These e-mail admin's need to
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get a (expletive deleted) life instead of trying to rid the planet of HTML
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based e-mail</quote>. Nevertheless, to allow subscribers to receive list
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posts as must as possible, I have now configured the list server at
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shorewall.net to convert all HTML to plain text. These converted posts are
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difficult to read so all of us will appreciate it if you just post in
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plain text to begin with.</para>
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</section>
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<section>
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<title>Where to Send your Problem Report or to Ask for Help</title>
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<para><emphasis role="bold">If you run Shorewall under Bering </emphasis>--
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please post your question or problem to <ulink
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url="mailto:leaf-user@lists.sourceforge.net">the LEAF Users mailing list</ulink>.</para>
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<para><emphasis role="bold">If you are new to Shorewall and have a
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question or need help with a problem</emphasis>, please post to the <ulink
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url="mailto:shorewall-newbies@lists.shorewall.net">Shorewall Newbies
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mailing list</ulink>.</para>
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<para><emphasis role="bold">If you run Shorewall under MandrakeSoft Multi
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Network Firewall (MNF) and you have not purchased an MNF license from
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MandrakeSoft then you can post non MNF-specific Shorewall questions to the
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<ulink url="mailto:shorewall-users@lists.shorewall.net">Shorewall users
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mailing list</ulink>. Do not expect to get free MNF support on the list</emphasis>.</para>
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<para>Otherwise, please post your question or problem to the <ulink
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url="mailto:shorewall-users@lists.shorewall.net">Shorewall users mailing
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list</ulink>. <emphasis role="bold">IMPORTANT</emphasis>: If you are not
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subscribed to the list, please say so -- otherwise, you will not be
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included in any replies.</para>
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</section>
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<section>
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<title>Subscribing to the Newbies Mailing List</title>
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<para>To Subscribe to the mailing list go to <ulink
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url="https://lists.shorewall.net/mailman/listinfo/shorewall-newbies">https://lists.shorewall.net/mailman/listinfo/shorewall-newbies</ulink>.</para>
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</section>
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<section>
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<title>Subscribing to the Users Mailing List</title>
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<para>To Subscribe to the mailing list go to <ulink
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url="https://lists.shorewall.net/mailman/listinfo/shorewall-users">https://lists.shorewall.net/mailman/listinfo/shorewall-users</ulink>.</para>
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</section>
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<section>
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<title>Other Mailing Lists</title>
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<para>For information on other Shorewall mailing lists, go to <ulink
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url="http://lists.shorewall.net">http://lists.shorewall.net</ulink> .</para>
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</section>
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<appendix>
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<title>Revision History</title>
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<para><revhistory><revision><revnumber>1.2</revnumber><date>2003-01-01</date><authorinitials>TE</authorinitials><revremark>Removed
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.GIF and moved note about unsupported releases. Move Revision History to
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this Appendix.</revremark></revision><revision><revnumber>1.1</revnumber><date>2003-12-19</date><authorinitials>TE</authorinitials><revremark>Corrected
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URL for Newbies List</revremark></revision></revhistory></para>
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</appendix>
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</article> |