davila at nicaraguaopensource
Jun 29, 2007, 9:57 AM
Post #2 of 2
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From http://iptables-tutorial.frozentux.net/
An example:
iptables -t nat -A POSTROUTING -p tcp -o eth0 -j SNAT --to-source
194.236.50.155-194.236.50.160:1024-32000
Best regards,
Jorge Dávila.
Snow Wolf wrote:
> hello members,
>
> My client has a strange requirement.When I made a nat firewall with
> iptables for him,he need the forwarded package's source port was not
> changed,or changed to a specified port which he can control.
>
> For example,
>
> 192.168.1.1 ---> iptables(nat) ---> www.aol.com
> (sport: 1234) (sport: 1234) (dport:80)
>
> He need that when a package was left from iptables,the source port was
> still 1234.
> (or something like 1235 is also ok,but he need to control it,it means
> he can descide which port is the source port from iptables.)
>
> How to do it?thanks.
>
>
--
Jorge Isaac Davila Lopez
Nicaragua Open Source
+505 430 5462
davila [at] nicaraguaopensource
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