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shorewall_code/STABLE/documentation/sourceforge_index.htm
teastep e70a63f267 Shorewall-1.4.4a 
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2003-05-28 19:20:23 +00:00

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Shoreline Firewall (Shorewall) 1.3</title>
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target="_self">
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<h1 align="center"> <font size="4"><i> <a
href="http://www.cityofshoreline.com"> <img vspace="4" hspace="4"
alt="Shorwall Logo" height="70" width="85" align="left"
src="images/washington.jpg" border="0">
</a></i></font><font color="#ffffff">Shorewall 1.4
- <font size="4">"<i>iptables made
easy"</i></font></font><br>
<a target="_top" href="1.3/index.html"><font
color="#ffffff"> </font></a><a target="_top"
href="http://www1.shorewall.net/1.2/index.htm"><font color="#ffffff"><small><small><small><br>
</small></small></small></font></a>
</h1>
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<h2 align="left">What is it?</h2>
<p>The Shoreline Firewall, more commonly known as "Shorewall", is
a <a href="http://www.netfilter.org">Netfilter</a>
(iptables) based firewall that can be used
on a dedicated firewall system, a multi-function
gateway/router/server or on a standalone GNU/Linux system.</p>
<p>This program is free software; you can redistribute it and/or modify
it
under the terms of <a
href="http://www.gnu.org/licenses/gpl.html">Version 2 of the GNU
General Public License</a> as published by the Free Software
Foundation.<br>
<br>
This program is distributed in the hope
that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU General Public License
for more details.<br>
<br>
You should have received a copy of the
GNU General Public License along
with this program; if not, write to the Free
Software Foundation, Inc., 675 Mass
Ave, Cambridge, MA 02139, USA</p>
<p><a href="copyright.htm">Copyright 2001, 2002, 2003 Thomas M. Eastep</a></p>
<h2>Running Shorewall on Mandrake with a two-interface setup?</h2>
If so, almost <b>NOTHING </b>on this site will apply directly to
your setup. If you want to use the documentation that you find here, it
is best if you uninstall what you have and install a setup that matches
the documentation on this site. See the <a href="two-interface.htm">Two-interface
QuickStart Guide</a> for details.<br>
<h2>Getting Started with Shorewall</h2>
New to Shorewall? Start by selecting the <a
href="shorewall_quickstart_guide.htm">QuickStart Guide</a> that most closely
match your environment and follow the step by step instructions.<br>
<h2><b>News</b></h2>
<b> </b>
<p><b>5/27/2003 - Shorewall-1.4.4a</b><b> </b><b><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
</b></p>
The Fireparse --log-prefix fiasco continues. Tuomo Soini has pointed out
that the code in 1.4.4 restricts the length of short zone names to 4 characters.
I've produced version 1.4.4a that restores the previous 5-character limit
by conditionally omitting the log rule number when the LOGFORMAT doesn't
contain '%d'.
<p><b>5/23/2003 - Shorewall-1.4.4</b><b> </b><b><img border="0"
src="images/new10.gif" width="28" height="12" alt="(New)">
</b><b> </b></p>
I apologize for the rapid-fire releases but since there is a potential
configuration change required to go from 1.4.3a to 1.4.4, I decided to make
it a full release rather than just a bug-fix release. <br>
<br>
<b><EFBFBD><EFBFBD><EFBFBD> Problems corrected:</b><br>
<blockquote>None.<br>
</blockquote>
<b><EFBFBD><EFBFBD><EFBFBD> New Features:<br>
</b>
<ol>
<li>A REDIRECT- rule target has been added. This target behaves
for REDIRECT in the same way as DNAT- does for DNAT in that the Netfilter
nat table REDIRECT rule is added but not the companion filter table ACCEPT
rule.<br>
<br>
</li>
<li>The LOGMARKER variable has been renamed LOGFORMAT and has
been changed to a 'printf' formatting template which accepts three arguments
(the chain name, logging rule number and the disposition). To use LOGFORMAT
with fireparse (<a href="http://www.fireparse.com">http://www.fireparse.com</a>),
set it as:<br>
<20><br>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> LOGFORMAT="fp=%s:%d a=%s "<br>
<20><br>
<b>CAUTION: </b>/sbin/shorewall uses the leading part of the LOGFORMAT
string (up to but not including the first '%') to find log messages in
the 'show log', 'status' and 'hits' commands. This part should not be omitted
(the LOGFORMAT should not begin with "%") and the leading part should be
sufficiently unique for /sbin/shorewall to identify Shorewall messages.<br>
<br>
</li>
<li>When logging is specified on a DNAT[-] or REDIRECT[-] rule,
the logging now takes place in the nat table rather than in the filter table.
This way, only those connections that actually undergo DNAT or redirection
will be logged.</li>
</ol>
<p><b>5/20/2003 - Shorewall-1.4.3a</b><b> </b><b>
</b><br>
</p>
This version primarily corrects the documentation included in the .tgz
and in the .rpm. In addition: <br>
<ol>
<li>(This change is in 1.4.3 but is not documented) If you are
running iptables 1.2.7a and kernel 2.4.20, then Shorewall will return reject
replies as follows:<br>
<20><> a) tcp - RST<br>
<20><> b) udp - ICMP port unreachable<br>
<20><> c) icmp - ICMP host unreachable<br>
<20><> d) Otherwise - ICMP host prohibited<br>
If you are running earlier software, Shorewall will follow it's traditional
convention:<br>
<20><> a) tcp - RST<br>
<20><> b) Otherwise - ICMP port unreachable</li>
<li>UDP port 135 is now silently dropped in the common.def chain.
Remember that this chain is traversed just before a DROP or REJECT policy
is enforced.<br>
</li>
</ol>
<p><b>5/18/2003 - Shorewall 1.4.3</b><br>
</p>
<20><><EFBFBD> <b>Problems Corrected:<br>
</b>
<ol>
<li>There were several cases where Shorewall would fail to
remove a temporary directory from /tmp. These cases have been corrected.</li>
<li>The rules for allowing all traffic via the loopback interface
have been moved to before the rule that drops status=INVALID packets.
This insures that all loopback traffic is allowed even if Netfilter connection
tracking is confused.</li>
</ol>
<20><><EFBFBD> <b>New Features:<br>
</b>
<ol>
<li><a href="6to4.htm"><EFBFBD></a><a href="6to4.htm">IPV6-IPV4 (6to4)
tunnels </a>are now supported in the /etc/shorewall/tunnels file.</li>
<li value="2">You may now change the leading portion of the
--log-prefix used by Shorewall using the LOGMARKER variable in shorewall.conf.
By default, "Shorewall:" is used.<br>
</li>
</ol>
<p><b>5/10/2003 - Shorewall Mirror in Asia</b><b> </b><br>
</p>
Ed Greshko has established a mirror in Taiwan -- Thanks Ed!
<p><b>5/8/2003 - Shorewall Mirror in Chile</b><b> <20></b></p>
<p>Thanks to Darcy Ganga, there is now an HTTP mirror in Santiago Chile.<br>
</p>
<p><b>4/26/2003 - lists.shorewall.net Downtime</b><b> <20></b></p>
<p>The list server will be down this morning for upgrade to RH9.0.<br>
</p>
<p><b>4/21/2003 - Samples updated for Shorewall version 1.4.2</b><b>
</b></p>
<p>Thanks to Francesca Smith, the sample configurations are now upgraded
to Shorewall version 1.4.2.</p>
<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation</b><b>
</b></p>
<blockquote> This morning, I gave <a href="GSLUG.htm"
target="_top">a Shorewall presentation to GSLUG</a>. The presentation
is in HTML format but was generated from Microsoft PowerPoint and
is best viewed using Internet Explorer (although Konqueror also seems
to work reasonably well as does Opera 7.1.0). Neither Opera 6 nor Netscape
work well to view the presentation.</blockquote>
<p><b></b></p>
<blockquote>
<ol>
</ol>
</blockquote>
<p><a href="file:///Z:/Shorewall-docs/News.htm"></a></p>
<b> </b>
<p><b><a href="News.htm">More News</a></b></p>
<b> </b>
<h2><b> </b></h2>
<b> </b>
<p> <a href="http://leaf.sourceforge.net" target="_top"><img
border="0" src="images/leaflogo.gif" width="49" height="36"
alt="(Leaf Logo)">
</a>Jacques Nilo and Eric Wolzak have
a LEAF (router/firewall/gateway on a floppy,
CD or compact flash) distribution called
<i>Bering</i> that features
Shorewall-1.3.14 and Kernel-2.4.20. You can find
their work at: <a
href="http://leaf.sourceforge.net/devel/jnilo"> http://leaf.sourceforge.net/devel/jnilo</a></p>
<b>Congratulations to Jacques and Eric
on the recent release of Bering 1.2!!! </b><br>
<h1 align="center"><b><a href="http://www.sf.net"><img
align="left" alt="SourceForge Logo"
src="http://sourceforge.net/sflogo.php?group_id=22587&amp;type=3">
</a></b></h1>
<b> </b>
<h4><b> </b></h4>
<b> </b>
<h2><b>This site is hosted by the generous folks at <a
href="http://www.sf.net">SourceForge.net</a> </b></h2>
<b> </b>
<h2><b><a name="Donations"></a>Donations</b></h2>
<b> </b></td>
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GMT.</font><br>
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<p><font color="#ffffff"><strong>Quick Search</strong></font><br>
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<td width="100%" style="margin-top: 1px;">
<p align="center"><a href="http://www.starlight.org"> <img
border="4" src="images/newlog.gif" width="57" height="100" align="left"
hspace="10">
</a></p>
<p align="center"><font size="4" color="#ffffff">Shorewall is free but
if you try it and find it useful, please consider making a donation
to
<a href="http://www.starlight.org"><font color="#ffffff">Starlight
Children's Foundation.</font></a> Thanks!</font></p>
</td>
</tr>
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<p><font size="2">Updated 5/27/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
</p>
<br>
<br>
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