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55 lines
1.6 KiB
HTML
55 lines
1.6 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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<title>What Shorewall Cannot Do</title>
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<meta http-equiv="content-type"
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content="text/html; charset=ISO-8859-1">
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<meta name="author" content="Tom Eastep">
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</head>
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<body>
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<small> </small><small> </small><small> </small><small> </small><small>
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</small> <small> </small>
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<small><br>
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</small>
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<h1 style="text-align: center;">Some things that Shorewall Cannot Do<br>
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</h1>
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Shorewall cannot:<br>
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<ul>
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<li>Be used to filter traffic through a Layer 2 Bridge</li>
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<li>Act as a "Personal Firewall" that allows internet access by
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application.</li>
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<li>Be used with an Operating System other than Linux (version >=
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2.4.0)<br>
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</li>
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<li>Do content filtering:</li>
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<ul>
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<li>HTTP -- better to use <a href="Shorewall_Squid_Usage.html">Squid</a>
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for that.</li>
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<li>Email -- Install something like <a
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href="http://www.postfix.org">Postfix</a> on your firewall and
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integrate it with <a href="http://www.spamassassin.org">SpamAssassin</a>
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and <a href="http://www.ijs.si/software/amavisd/">Amavisd-new</a>.<br>
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</li>
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</ul>
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</ul>
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In addition:<br>
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<ul>
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<li>Shorewall does not contain any support for Netfilter <a
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href="http://www.netfilter.org/documentation/pomlist/pom-summary.html"><span
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style="font-style: italic;">Patch-O-Matic</span></a> features --
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Shorewall
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only supports features from released kernels.<br>
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</li>
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</ul>
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<br>
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<font size="2">Last updated 10/07/2003 - <a href="support.htm">Tom
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Eastep</a></font>
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<p><a href="copyright.htm"><font size="2">Copyright</font> © <font
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size="2">2001, 2002, 2003 Thomas M. Eastep.</font></a><br>
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</p>
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<br>
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<br>
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<br>
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</body>
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</html>
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