From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Wright <ebwximaurm@mailinator.com>
Subject: Re: ip redirection
Date: Mon, 27 Mar 2006 08:21:05 -0800
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References: <52837e3e0603270713g798cea20v1e718747a631a095@mail.gmail.com>
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Bruno Nunes wrote:
> this is what the dns server does:
> 
>  intranet.xxxxxxxxx.com.br --> AAA.AAA.AAA.AAA
> 
>  requests to intranet... goes to AAA....A  (the router)
> 
>  this is what i want:
> 
>  AAA.AAA.AAA.AAA (router) --> BBB.BBB.BBB.BBB (webserver)
> 
>  BBB...B is an IP address inside a private network like 192.168.1.x
>  AAA...A is a worldwide ip address like 139.82.x.x
> 
>  How can I do this redirection with iptables?

It's called Network Address Translation.  (man iptables)

iptables -t nat -A PREROUTING -d AAA.AAA.AAA.AAA \
          -p tcp -m tcp --dport 80 \
          -j DNAT --to-destination BBB.BBB.BBB.BBB

> 
>  thanks!
> 
>  bruno
> 
> 
>