shorewall_code/Shorewall-docs2/samba.xml
2005-08-31 06:42:41 +00:00

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<article>
<!--$Id$-->
<articleinfo>
<title>Samba/SMB</title>
<authorgroup>
<author>
<firstname>Tom</firstname>
<surname>Eastep</surname>
</author>
</authorgroup>
<pubdate>2005-08-31</pubdate>
<copyright>
<year>2002</year>
<year>-</year>
<year>2005</year>
<holder>Thomas M. Eastep</holder>
</copyright>
<legalnotice>
<para>Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License, Version
1.2 or any later version published by the Free Software Foundation; with
no Invariant Sections, with no Front-Cover, and with no Back-Cover
Texts. A copy of the license is included in the section entitled
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation
License</ulink></quote>.</para>
</legalnotice>
</articleinfo>
<para>If you wish to run Samba on your firewall and access shares between
the firewall and local hosts, you need the following rules:</para>
<programlisting>#ACTION SOURCE DEST PROTO DEST PORT(S) SOURCE
# PORT(S)
SMB/ACCEPT fw loc
SMB/ACCEPT loc fw</programlisting>
<para>To pass traffic SMB/Samba traffic between zones Z1 and Z2:</para>
<programlisting>#ACTION SOURCE DEST PROTO DEST PORT(S) SOURCE
# PORT(S)
SMB/ACCEPT Z1 Z2
SMB/ACCEPT Z2 Z1</programlisting>
<para>To make network browsing (<quote>Network Neighborhood</quote>) work
properly between Z1 and Z2 requires a Windows Domain Controller and/or a
WINS server. I have run Samba on my firewall to handle browsing between two
zones connected to my firewall.</para>
<para>When debugging Samba/SMB problems, I recommend that you do the
following:</para>
<orderedlist>
<listitem>
<para>Copy <filename>action.Drop</filename> and
<filename>action.Reject</filename> from <filename
class="directory">/usr/share/shorewall</filename> to <filename
class="directory">/etc/shorewall</filename>.</para>
</listitem>
<listitem>
<para>Edit the copies and remove the <emphasis
role="bold">SMB/DROP</emphasis> and <emphasis
role="bold">SMB/REJECT</emphasis> lines.</para>
</listitem>
<listitem>
<para><command>shorewall restart</command></para>
</listitem>
</orderedlist>
<para>The above steps will cause SMB traffic that is dropped or rejected by
policy to be logged rather than handled silently.</para>
<para>You can just remove the copies and <command>shorewall
restart</command> when you are finished debugging.</para>
</article>