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<DIV></DIV>On 28 October 2011 12:20, Mezei Zoltan <SPAN dir=ltr><<A
href="mailto:mezei.zoltan@gmail.com">mezei.zoltan@gmail.com</A>></SPAN>
wrote:<BR>
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<DIV class=im>On Fri, Oct 28, 2011 at 12:44, John Haxby <<A
href="mailto:john.haxby@gmail.com">john.haxby@gmail.com</A>>
wrote:<BR>> iptables -t nat -A POSTROUTING -p udp -m udp --sport
<host-ip> -p 371 \<BR>> -j SNAT --to-source
<license-ip>:371<BR><BR></DIV>You should use the OUTPUT chain in the
nat table for this purpose,<BR>otherwise, correct.<BR><BR></BLOCKQUOTE>
<DIV><BR>Even when I corrected the "--sport <host-ip> -p 371" to
"-s <host-ip> --sport 371" it failed.<BR><BR># iptables -t nat -A OUTPUT
-p udp -m udp -s 192.168.1.1 --sport 371 -j SNAT --to-source <A
href="http://192.168.1.2:371">192.168.1.2:371</A><BR>iptables: Invalid
argument. Run `dmesg' for more information.<BR><BR># dmesg | tail
-1<BR>ip_tables: SNAT target: used from hooks OUTPUT, but only usable from
POSTROUTING<SPAN class=005313016-28102011><FONT color=#0000ff size=2
face=Arial> </FONT></SPAN></DIV><SPAN class=005313016-28102011>
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<DIV><FONT color=#0000ff size=2 face=Arial></FONT> </DIV>
<DIV><SPAN class=005313016-28102011><FONT color=#0000ff size=2 face=Arial>I
found my solution: a simple "iptables -t nat -A POSTROUTING -o eth0 -j
SNAT --to <license-ip>" is doing</FONT></SPAN></DIV>
<DIV><SPAN class=005313016-28102011><FONT color=#0000ff size=2
face=Arial>exactly what I want!!</FONT></SPAN></DIV>
<DIV><SPAN class=005313016-28102011><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV><SPAN class=005313016-28102011><FONT color=#0000ff size=2
face=Arial>Thanks a lot for all your
help!<BR>Christian</FONT></SPAN></DIV></SPAN></DIV></BLOCKQUOTE></BODY></HTML>