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shorewall_code/Shorewall-docs/seattlefirewall_index.htm
teastep 16906234c8 Shorewall 1.4.2 
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@535 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
2003-04-13 15:28:32 +00:00

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252">
<title>Shoreline Firewall (Shorewall) 1.4</title>
<base
target="_self">
</head>
<body>
<table border="0" cellpadding="0" cellspacing="4"
style="border-collapse: collapse;" width="100%" id="AutoNumber3"
bgcolor="#4b017c">
<tbody>
<tr>
<td
width="100%" height="90">
<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><a
href="http://www.shorewall.net" target="_top"><img border="1"
src="images/shorewall.jpg" width="119" height="38" hspace="4"
alt="(Shorewall Logo)" align="right" vspace="4">
</a></h1>
<small><small><small><small><a
href="http://www.shorewall.net" target="_top"> </a></small></small></small></small>
<div align="center">
<h1><font color="#ffffff">             Shorewall 1.4</font><i><font
color="#ffffff"> <small><small><small>"iptables made easy"</small></small></small></font></i><a
href="1.3" target="_top"><font color="#ffffff"><br>
<small><small><small><small>Shorewall 1.3 Site is here</small></small></small></small></font></a><a
href="http://www1.shorewall.net/1.2/index.htm"><font color="#ffffff"><br>
<small><small><small><small>Shorewall 1.2 Site is here</small></small></small></small></font></a><br>
</h1>
</div>
<p><a href="http://www.shorewall.net" target="_top"> </a> </p>
</td>
</tr>
</tbody>
</table>
<div align="center">
<center>
<table border="0" cellpadding="0" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber4">
<tbody>
<tr>
<td
width="90%">
<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>
<p> <a href="http://leaf.sourceforge.net" target="_top"><img
border="0" src="images/leaflogo.gif" width="49" height="36">
</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<br>
</a></p>
<p><b>Congratulations to Jacques and Eric on the recent release of
Bering 1.1!!! </b><br>
</p>
<h2>This is a mirror of the main Shorewall web site at SourceForge
(<a href="http://shorewall.sf.net" target="_top">http://shorewall.sf.net</a>)</h2>
<h2>News</h2>
<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
</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. Neither Opera
or Netscape work well to view the presentation.<br>
</blockquote>
<p><b>4/9/2003 - Shorewall 1.4.2</b><b> </b><b> </b><b><img
border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
</b><br>
</p>
<p><b>    Problems Corrected:</b></p>
<blockquote>
<ol>
<li>TCP connection requests rejected out of the <b>common</b>
chain are now properly rejected with TCP RST; previously, some of these
requests were rejected with an ICMP port-unreachable response.</li>
<li>'traceroute -I' from behind the firewall previously timed
out on the first hop (e.g., to the firewall). This has been worked around.</li>
</ol>
</blockquote>
<p><b>    New Features:</b></p>
<blockquote>
<ol>
<li>Where an entry in the/etc/shorewall/hosts file specifies
a particular host or network, Shorewall now creates an intermediate chain
for handling input from the related zone. This can substantially reduce the
number of rules traversed by connections requests from such zones.<br>
<br>
</li>
<li>Any file may include an INCLUDE directive. An INCLUDE directive
consists of the word INCLUDE followed by a file name and causes the contents
of the named file to be logically included into the file containing the INCLUDE.
File names given in an INCLUDE directive are assumed to reside in /etc/shorewall
or in an alternate configuration directory if one has been specified for
the command. <br>
 <br>
   Examples:<br>
   shorewall/params.mgmt:<br>
   MGMT_SERVERS=1.1.1.1,2.2.2.2,3.3.3.3<br>
   TIME_SERVERS=4.4.4.4<br>
   BACKUP_SERVERS=5.5.5.5<br>
   ----- end params.mgmt -----<br>
 <br>
 <br>
   shorewall/params:<br>
   # Shorewall 1.3 /etc/shorewall/params<br>
   [..]<br>
   #######################################<br>
 <br>
   INCLUDE params.mgmt    <br>
  <br>
   # params unique to this host here<br>
   #LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE<br>
   ----- end params -----<br>
 <br>
 <br>
   shorewall/rules.mgmt:<br>
   ACCEPT net:$MGMT_SERVERS          $FW    tcp    22<br>
   ACCEPT $FW          net:$TIME_SERVERS    udp    123<br>
   ACCEPT $FW          net:$BACKUP_SERVERS  tcp    22<br>
   ----- end rules.mgmt -----<br>
 <br>
   shorewall/rules:<br>
   # Shorewall version 1.3 - Rules File<br>
   [..]<br>
   #######################################<br>
 <br>
   INCLUDE rules.mgmt     <br>
  <br>
   # rules unique to this host here<br>
   #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE<br>
   ----- end rules -----<br>
 <br>
INCLUDE's may be nested to a level of 3 -- further nested INCLUDE directives
are ignored with a warning message.<br>
<br>
</li>
<li>Routing traffic from an interface back out that interface
continues to be a problem. While I firmly believe that this should never
happen, people continue to want to do it. To limit the damage that such
nonsense produces, I have added a new 'routeback' option in /etc/shorewall/interfaces
and /etc/shorewall/hosts. When used in /etc/shorewall/interfaces, the 'ZONE'
column may not contain '-'; in other words, 'routeback' can't be used as
an option for a multi-zone interface. The 'routeback' option CAN be specified
however on individual group entries in /etc/shorewall/hosts.<br>
 <br>
The 'routeback' option is similar to the old 'multi' option with two
exceptions:<br>
 <br>
   a) The option pertains to a particular zone,interface,address tuple.<br>
 <br>
   b) The option only created infrastructure to pass traffic from (zone,interface,address)
tuples back to themselves (the 'multi' option affected all (zone,interface,address)
tuples associated with the given 'interface').<br>
 <br>
See the '<a href="upgrade_issues.htm">Upgrade Issues</a>' for information
about how this new option may affect your configuration.<br>
</li>
</ol>
</blockquote>
<p><b></b></p>
<p><a href="News.htm">More News</a></p>
<h2><a name="Donations"></a>Donations</h2>
</td>
<td
width="88" bgcolor="#4b017c" valign="top" align="center"> <br>
</td>
</tr>
</tbody>
</table>
</center>
</div>
<table border="0" cellpadding="5" cellspacing="0"
style="border-collapse: collapse;" width="100%" id="AutoNumber2"
bgcolor="#4b017c">
<tbody>
<tr>
<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>
</tbody>
</table>
<p><font size="2">Updated 4/12/2003 - <a href="support.htm">Tom Eastep</a></font>
<br>
</p>
<br>
<br>
<br>
<br>
</body>
</html>
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