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Document scfilter in the Extensions Scripts Doc

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
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Tom Eastep 2010-10-01 12:29:41 -07:00
parent ac71868cc1
commit 5b86cbdabf
1 changed files with 33 additions and 0 deletions
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33
docs/shorewall_extension_scripts.xml
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@ -200,6 +200,27 @@ esac</programlisting><caution>
with dhclient on several distributions are available at <ulink
url="http://www.shorewall.net/pub/shorewall/contrib/findgw/">http://www.shorewall.net/pub/shorewall/contrib/findgw/</ulink></para>
</listitem>
<listitem>
<para><filename>scfilter</filename> -- Added in Shorewall 4.4.14.
Unlike the other scripts, this script is executed by the command line
tools (<filename>/sbin/shorewall</filename>,
<filename>/sbin/shorewall6</filename>, etc) and can be used to
reformat the output of the <command>show connections</command>
command. The connection information is piped through this script so
that the script can drop information, add information or alter the
format of the information. When using Shorewall Lite or Shorewall6
Lite, the script is copied into the generated firewall script and is
extracted into /var/lib/shorewall-lite (/var/lib/shorewall6-lite)
where /sbin/shorewall-lite (/sbin/shorewall6-lite) can find it. After
you have generated a new firewall script and copied the script to a
firewall system, you must start (or restart) the firewall in order to
install a new scfilter script. The default script is as follows and
simply pipes the output through unaltered.</para>
<programlisting>#! /bin/sh
cat -</programlisting>
</listitem>
</itemizedlist>
<para><emphasis role="bold">If your version of Shorewall doesn't have the
@ -288,6 +309,12 @@ esac</programlisting><caution>
<entry>save</entry>
</row>
<row>
<entry>scfilter</entry>
<entry>show connections</entry>
</row>
<row>
<entry>start</entry>
@ -512,6 +539,12 @@ esac</programlisting><caution>
<entry>restored</entry>
</row>
<row>
<entry></entry>
<entry>scfilter</entry>
</row>
</tbody>
</tgroup>
</informaltable></para>