2002-11-09 22:34:47 +01:00
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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2003-04-13 17:28:32 +02:00
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2002-11-09 22:34:47 +01:00
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<meta http-equiv="Content-Type"
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content="text/html; charset=windows-1252">
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2003-03-18 02:13:38 +01:00
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<title>Shoreline Firewall (Shorewall) 1.3</title>
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2003-04-13 17:28:32 +02:00
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<base
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target="_self">
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2002-11-09 22:34:47 +01:00
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<body>
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2003-04-13 17:28:32 +02:00
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2002-11-09 22:34:47 +01:00
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<table border="0" cellpadding="0" cellspacing="4"
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style="border-collapse: collapse;" width="100%" id="AutoNumber3"
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bgcolor="#4b017c">
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2003-04-13 17:28:32 +02:00
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width="100%" height="90">
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2002-11-09 22:34:47 +01:00
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<h1 align="center"> <font size="4"><i> <a
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href="http://www.cityofshoreline.com"> <img vspace="4" hspace="4"
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alt="Shorwall Logo" height="70" width="85" align="left"
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src="images/washington.jpg" border="0">
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2003-04-13 17:28:32 +02:00
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</a></i></font><font
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2003-03-18 02:13:38 +01:00
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color="#ffffff">Shorewall 1.4 - <font
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size="4">"<i>iptables made easy"</i></font></font><br>
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<a target="_top" href="1.3/index.html"><font color="#ffffff">
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<small><small><small>Shorewall 1.3 Site here</small></small></small></font></a><br>
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<a target="_top"
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href="http://www1.shorewall.net/1.2/index.htm"><font color="#ffffff"><small><small><small>Shorewall
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1.2 Site here<br>
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</small></small></small></font></a>
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</h1>
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</tr>
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</tbody>
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2002-11-09 22:34:47 +01:00
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</table>
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2003-04-13 17:28:32 +02:00
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<div align="center">
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<center>
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2002-11-09 22:34:47 +01:00
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<table border="0" cellpadding="0" cellspacing="0"
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style="border-collapse: collapse;" width="100%" id="AutoNumber4">
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width="90%">
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2002-12-28 16:38:03 +01:00
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<h2 align="left">What is it?</h2>
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<p>The Shoreline Firewall, more commonly known as "Shorewall", is
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a <a href="http://www.netfilter.org">Netfilter</a>
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(iptables) based firewall that can be used on a dedicated
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firewall system, a multi-function gateway/router/server
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or on a standalone GNU/Linux system.</p>
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<p>This program is free software; you can redistribute it and/or modify
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it under
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the terms of <a
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href="http://www.gnu.org/licenses/gpl.html">Version 2 of the
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GNU General Public License</a> as published by the Free Software
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Foundation.<br>
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<br>
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This program
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is distributed in the hope that it will
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be useful, but WITHOUT ANY WARRANTY; without
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even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.<br>
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<br>
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You should
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have received a copy of the GNU General
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Public License along with this program;
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if not, write to the Free Software Foundation,
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Inc., 675 Mass Ave, Cambridge, MA 02139,
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USA</p>
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2003-01-14 18:18:42 +01:00
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<p><a href="copyright.htm">Copyright 2001, 2002, 2003 Thomas M. Eastep</a></p>
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2002-12-28 16:38:03 +01:00
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<p> <a href="http://leaf.sourceforge.net" target="_top"><img
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border="0" src="images/leaflogo.gif" width="49" height="36">
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2003-04-13 17:28:32 +02:00
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</a>Jacques
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Nilo and Eric Wolzak have a LEAF (router/firewall/gateway
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on a floppy, CD or compact flash) distribution
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called <i>Bering</i> that features
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Shorewall-1.3.14 and Kernel-2.4.20. You can
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find their work at: <a
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2003-02-20 00:21:55 +01:00
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href="http://leaf.sourceforge.net/devel/jnilo"> http://leaf.sourceforge.net/devel/jnilo</a></p>
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<b>Congratulations
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to Jacques and Eric on the recent release of Bering
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1.1!!! <br>
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</b>
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<h2><b>News</b></h2>
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<b> </b>
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<p><b>4/12/2002 - Greater Seattle Linux Users Group Presentation<6F></b><b><img
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border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
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</b></p>
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<blockquote> This morning, I gave <a href="GSLUG.htm"
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target="_top">a Shorewall presentation to GSLUG</a>. The presentation
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is in HTML format but was generated from Microsoft PowerPoint and is best
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viewed using Internet Explorer although Konqueror also seems to work reasonably
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well. Neither Opera or Netscape work well to view the presentation.</blockquote>
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<p><b>4/9/2003 - Shorewall 1.4.2</b><b> </b><b> </b><b><img
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border="0" src="images/new10.gif" width="28" height="12" alt="(New)">
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</b><br>
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</p>
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<p><b><EFBFBD><EFBFBD><EFBFBD> Problems Corrected:</b></p>
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<blockquote>
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<ol>
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<li>TCP connection requests rejected out of the <b>common</b>
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chain are now properly rejected with TCP RST; previously, some of these requests
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were rejected with an ICMP port-unreachable response.</li>
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<li>'traceroute -I' from behind the firewall previously timed
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out on the first hop (e.g., to the firewall). This has been worked around.</li>
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</ol>
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</blockquote>
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<p><b><EFBFBD><EFBFBD><EFBFBD> New Features:</b></p>
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<blockquote>
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<ol>
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<li>Where an entry in the/etc/shorewall/hosts file specifies
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a particular host or network, Shorewall now creates an intermediate chain
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for handling input from the related zone. This can substantially reduce
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the number of rules traversed by connections requests from such zones.<br>
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<br>
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</li>
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<li>Any file may include an INCLUDE directive. An INCLUDE directive
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consists of the word INCLUDE followed by a file name and causes the contents
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of the named file to be logically included into the file containing the
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INCLUDE. File names given in an INCLUDE directive are assumed to reside
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in /etc/shorewall or in an alternate configuration directory if one has
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been specified for the command. <br>
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<20><br>
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<20><> Examples:<br>
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<20><> shorewall/params.mgmt:<br>
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<20><> MGMT_SERVERS=1.1.1.1,2.2.2.2,3.3.3.3<br>
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<20><> TIME_SERVERS=4.4.4.4<br>
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<20><> BACKUP_SERVERS=5.5.5.5<br>
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<20><> ----- end params.mgmt -----<br>
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<20><br>
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<20><br>
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<20><> shorewall/params:<br>
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<20><> # Shorewall 1.3 /etc/shorewall/params<br>
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<20><> [..]<br>
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<20><> #######################################<br>
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<20><br>
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<20><> INCLUDE params.mgmt<6D><74><EFBFBD> <br>
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<20> <br>
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<20><> # params unique to this host here<br>
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<20><> #LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE<br>
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<20><> ----- end params -----<br>
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<20><br>
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<20><br>
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<20><> shorewall/rules.mgmt:<br>
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<20><> ACCEPT net:$MGMT_SERVERS<52><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> $FW<46><57><EFBFBD> tcp<63><70><EFBFBD> 22<br>
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<20><> ACCEPT $FW<46><57><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> net:$TIME_SERVERS<52><53><EFBFBD> udp<64><70><EFBFBD> 123<br>
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<20><> ACCEPT $FW<46><57><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> net:$BACKUP_SERVERS<52> tcp<63><70><EFBFBD> 22<br>
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<20><> ----- end rules.mgmt -----<br>
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<20><br>
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<20><> shorewall/rules:<br>
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<20><> # Shorewall version 1.3 - Rules File<br>
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<20><> [..]<br>
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<20><> #######################################<br>
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<20><br>
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<20><> INCLUDE rules.mgmt<6D><74><EFBFBD><EFBFBD> <br>
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<20> <br>
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<20><> # rules unique to this host here<br>
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<20><> #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE<br>
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<20><> ----- end rules -----<br>
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<20><br>
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INCLUDE's may be nested to a level of 3 -- further nested INCLUDE directives
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are ignored with a warning message.<br>
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<br>
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</li>
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<li>Routing traffic from an interface back out that interface
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continues to be a problem. While I firmly believe that this should never
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happen, people continue to want to do it. To limit the damage that such
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nonsense produces, I have added a new 'routeback' option in /etc/shorewall/interfaces
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and /etc/shorewall/hosts. When used in /etc/shorewall/interfaces, the 'ZONE'
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column may not contain '-'; in other words, 'routeback' can't be used as
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an option for a multi-zone interface. The 'routeback' option CAN be specified
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however on individual group entries in /etc/shorewall/hosts.<br>
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<20><br>
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The 'routeback' option is similar to the old 'multi' option with two
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exceptions:<br>
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<20><br>
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<20><> a) The option pertains to a particular zone,interface,address tuple.<br>
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<20><br>
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<20><> b) The option only created infrastructure to pass traffic from (zone,interface,address)
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tuples back to themselves (the 'multi' option affected all (zone,interface,address)
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tuples associated with the given 'interface').<br>
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<20><br>
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See the '<a href="upgrade_issues.htm">Upgrade Issues</a>' for information
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about how this new option may affect your configuration.<br>
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</li>
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</ol>
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</blockquote>
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<p><a href="file:///Z:/Shorewall-docs/News.htm"></a></p>
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<b> </b>
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<p><b><a href="News.htm">More News</a></b></p>
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<b> </b>
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<h2><b> </b></h2>
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<b> </b>
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<h1 align="center"><b><a href="http://www.sf.net"><img
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align="left" alt="SourceForge Logo"
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2002-12-28 16:38:03 +01:00
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src="http://sourceforge.net/sflogo.php?group_id=22587&type=3">
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2003-04-13 17:28:32 +02:00
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</a></b></h1>
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<b> </b>
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<h4><b> </b></h4>
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<b> </b>
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<h2><b>This site is hosted by the generous folks at <a
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href="http://www.sf.net">SourceForge.net</a> </b></h2>
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<b> </b>
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<h2><b><a name="Donations"></a>Donations</b></h2>
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<b> </b></td>
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<td
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width="88" bgcolor="#4b017c" valign="top" align="center"> <br>
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</td>
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</tr>
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</tbody>
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</table>
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</center>
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</div>
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2002-12-28 16:38:03 +01:00
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<table border="0" cellpadding="5" cellspacing="0"
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style="border-collapse: collapse;" width="100%" id="AutoNumber2"
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bgcolor="#4b017c">
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<tbody>
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<tr>
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<td
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width="100%" style="margin-top: 1px;">
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2002-12-28 16:38:03 +01:00
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<p align="center"><a href="http://www.starlight.org"> <img
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border="4" src="images/newlog.gif" width="57" height="100" align="left"
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hspace="10">
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2003-04-13 17:28:32 +02:00
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</a></p>
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2003-03-22 01:25:40 +01:00
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<p align="center"><font size="4" color="#ffffff">Shorewall is free
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but if you try it and find it useful, please consider making a donation
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2003-04-13 17:28:32 +02:00
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to <a
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href="http://www.starlight.org"><font color="#ffffff">Starlight Children's
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Foundation.</font></a> Thanks!</font></p>
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</td>
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</tr>
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</tbody>
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2003-01-14 18:18:42 +01:00
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</table>
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2003-04-13 17:28:32 +02:00
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<p><font size="2">Updated 4/12/2003 - <a href="support.htm">Tom Eastep</a></font>
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<br>
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</p>
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<br>
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<br>
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2003-03-22 01:25:40 +01:00
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<br>
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2003-03-07 00:41:31 +01:00
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<br>
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2002-11-09 22:34:47 +01:00
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</body>
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</html>
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