Re: need iptables help

[anthony kasza <anthony.kasza () gmail com>]

Have you tried the FORWARD chain?

-AK
On Dec 23, 2012 7:01 PM, "Robin Wood" <robin () digininja org> wrote:

> Hi
> I need an IP tables rule that will catch all traffic going over a
> network bridge and send anything destined to port 80 to 8080. As the
> proxy that will be listening on port 8080 will modify some traffic to
> make it request from the IP of the local machine I'll need the rule to
> ignore requests to port 80 on the IP of the localhost.
>
> This is what I tried as this works with IP forwarding for things like
> ARP spoofing but this doesn't work in this instance, I think because
> there is no routing going on, the traffic is just being passed
> straight through.
>
> iptables -t nat -A PREROUTING -p tcp --destination-port 80 ! -d
> <local-IP> -j REDIRECT --to-port 8080
>
> With this rule in place, if I drop the -d I can get pages being
> requested from the web server on the local machine to be bounced
> through the proxy.
>
> How do I do it?
>
> Got a few good tools going to be based on this if I can get it to work
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