Re: Exempt one IP from DNAT for the whole network

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On Wed, 2004-01-21 at 13:08, alok.shukla@xxxxxxxxxxx wrote:
> hi everybody ,,, 
> I have a unique problem. 
>  
> I have created a rule in the prerouting chain in the nat table to DNAT
> every packet coming from 10.11.12.0/24 network to the webserver
> running on the local machine
>  
> Now i want one of the IP from this pool to be exempted from this rule.
> I had put a rule in the mangle table so as to RETURN  from prerouting
> chain.
You need to put the rule in the same chain, just above your other rule.

iptables -t nat -A PREROUTING -i eth0 -p tcp -s 10.11.12.1 -j RETURN
iptables -t nat -A PREROUTING -i eth0 -p tcp -s 10.11.12.0/24 -j DNAT
--to 1.2.3.4

This works for me ...

>  
> I think that this RETURN is not working. I would like to know the
> other ways i can make a machine exempted from the DNAT that is
> occuring.
>  
> Kindly suggest
>  
> Alok Shukla
> 
> 
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