From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
Subject: Re: Iptables proxy to a different network
Date: Fri, 09 Feb 2007 16:22:04 +0100
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Jan Engelhardt a =E9crit :
> On Feb 9 2007 12:27, Pascal Hambourg wrote:
>=20
>>>-----------
>>>*nat
>>>-A PREROUTING -p tcp --dport 80 -j DNAT --to x.y.z:80
>>>COMMIT
>>>-----------
>>
>>If you cannot or do not wish to prevent direct routing between the clie=
nt and
>>the server, you must SNAT the forwarded connections in the POSTROUTING =
chain.
>=20
> Or make it so that any packets from C pass B.

This is what I meant when I wrote "prevent direct routing between the=20
client and the server".

> For example, by setting up
> your proxy box as a router or bridge (both approaches work) in the midd=
le.

I may be wrong, but doing IP NAT on a bridge seems to me quite=20
unnatural and troublesome.