From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: udp portforward on same interface
Date: Tue, 15 Jul 2003 14:36:18 +0200
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To: Amir Zangeneh <amir@noytrino.com>
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This doesn't belong on netfilter-devel as it's clearly a user question which
can even be easily answered by looking at the manpage.

Example:
iptables -t nat -A PREROUTING -i <if> -p udp --dport 78 -j REDIRECT 
--to-ports 98
iptables -A INPUT -i <if> -p tcp --dport 98 -j ACCEPT

Bye
Patrick

Amir Zangeneh wrote:

> Hi
>  
> I'm using iptables as a firewall system and I'm very pleased. But I'm 
> trying to make a rule which forwards a udp port to another on the same 
> interface.. I want users who connect to port 78 be redirected to port 
> 98.. Is it possible to do this with iptables? If yes.. Could someone 
> give me an example.. thank you..
>  
>  
> Amir