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More FTP module documentation

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
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Tom Eastep 2014-07-25 08:38:46 -07:00
parent 3b4012b60a
commit bea2b49eb0
1 changed files with 27 additions and 0 deletions
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docs/FTP.xml
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@ -422,6 +422,33 @@ CT:helper:ftp loc - tcp 21</programlisti
<section id="Ports">
<title>FTP on Non-standard Ports</title>
<para>If you are running kernel 3.5 or later and Shorewall 4.5.7 or later,
then please read the preceding section. You can add appropriate entries
into <ulink url="manpages/shorewall-rules.html">shorewall-rules(5)</ulink>
or <ulink
url="manpages/shorewall-conntrack.html">shorewall-conntrack(5)</ulink> to
associate the FTP helpers with a nonstandard port.</para>
<para>Examples using port 12345:</para>
<para><filename>/etc/shorewall/rules:</filename></para>
<programlisting>#ACTION SOURCE DEST PROTO DEST
# PORT(S)
DNAT net loc:192.168.1.2:21 tcp 12345 { helper=ftp }the</programlisting>
<para>That entry will accept ftp connections on port 12345 from the net
and forward them to host 192.168.1..2 and port 21 in the loc zone.</para>
<para><filename>/etc/shorewall/rules:</filename></para>
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST SOURCE USER/ SWITCH
# PORT(S) PORT(S) GROUP
...
CT:helper:ftp loc - tcp 12345</programlisting>
<para>Otherwise, read on.</para>
<note>
<para>If you are running <emphasis role="bold">kernel 2.6.19 or
earlier</emphasis>, replace <emphasis