Re: Port Forwarding .

["Charles Romestant" <cromestant@gmail.com>]

thanks for answer

hmm tried it and still does not work...

any ideas, at least to get some debug info... still can t see the
server from a browser on A.


On Tue, Jul 8, 2008 at 5:40 PM, Grant Taylor <gtaylor@riverviewtech.net> wrote:
> On 07/07/08 16:49, Charles Romestant wrote:
>>
>> on C there is a web server, running on port 80, I want to be able to
>> access it through B from A.
>>
>> So basically the ruleset should be on B if its port 80, forward to port 80
>> on C.
>
> These two rules should do the trick to get the traffic forwarded on through
> B to C.
>
> iptables -t nat -A PREROUTING -i eth0 -d 10.0.1.192 -p tcp --dport 80 -j
> DNAT --to-destination 10.0.10.1
> iptables -t filter -A FORWARD -i eth0 -o eth1 -d 10.0.10.1 -p tcp --dport 80
> -j ACCEPT
>
> You will need to make sure that the reply traffic back from C is allowed and
> appears to be from B.
>
> iptables -t filter -A FORWARD -i eth1 -o eth0 -s 10.0.10.1 -p tcp --sport 80
> -j ACCEPT
> iptables -t nat -A POSTROUTING -o eth0 -s 10.0.10.1 -p tcp --sport 80 -j
> SNAT --to-source 10.0.1.192
>
>> Any help would be appreciated, thank you in advance,
>
> You are welcome.
>
>
>
> Grant. . . .
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-- 
Charz