2002-08-13 22:45:21 +02:00
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<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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<title>Shorewall Prerequisites</title>
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<body>
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2002-08-22 23:21:41 +02:00
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<table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="100%" id="AutoNumber1" bgcolor="#400169" height="90">
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<tr>
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<td width="100%">
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<h1 align="center"><font color="#FFFFFF">Shorewall Requirements</font></h1>
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</tr>
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2002-08-13 22:45:21 +02:00
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<ul>
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<li>A kernel that supports netfilter. I've tested with 2.4.2 - 2.4.19. <a href="kernel.htm">
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Check here for kernel configuration information.</a>
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If you are looking for a firewall for use with 2.2 kernels, <a href="http://www.shorewall.net/seawall">
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see the Seattle Firewall site</a>
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.</li>
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<li>iptables 1.2 or later but beware version 1.2.3 -- see the <a href="errata.htm">Errata</a>.
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<font color="#FF0000"><b>WARNING: </b></font>The buggy iptables version 1.2.3
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is included in RedHat 7.2 and you should upgrade to iptables 1.2.4 prior to
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installing Shorewall. Version 1.2.4 is available
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<a href="http://www.redhat.com/support/errata/RHSA-2001-144.html">from RedHat</a>
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and in the <a href="errata.htm">Shorewall Errata</a>. If you are going to be
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running kernel 2.4.18 or later, NO currently-available RedHat iptables RPM
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will work -- again, see the <a href="errata.htm">Shorewall Errata</a>. </li>
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<li>Some features require iproute ("ip" utility). The iproute package is
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included with most distributions but may not be installed by default. The
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official download site is <a href="ftp://ftp.inr.ac.ru/ip-routing" target="_blank">
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<font face="Century Gothic, Arial, Helvetica">f</font>tp://ftp.inr.ac.ru/ip-routing</a>.
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</li>
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<li>A Bourne shell or derivative such as bash or ash. Must have correct
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support for variable expansion formats ${<i>variable</i>%<i>pattern</i>
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}, ${<i>variable</i>%%<i>pattern</i>}, ${<i>variable</i>#<i>pattern</i>
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} and ${<i>variable</i>##<i>pattern</i>}.</li>
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<li>The firewall monitoring display is greatly improved if you have awk
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(gawk) installed.</li>
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</ul>
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<p align="left"><font size="2">Last updated 8/4/2002 - <a href="support.htm">Tom
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Eastep</a></font></p>
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<p align="left"><font face="Trebuchet MS"><a href="copyright.htm">
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<font size="2">Copyright</font> <20> <font size="2">2001, 2002 Thomas M. Eastep.</font></a></font></p>
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</body>
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</html>
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