From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
Subject: Re: How to find the chain which calls the match
Date: Tue, 10 Oct 2006 11:24:08 +0200
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Hello,

aoliva a =E9crit :
>=20
> Hi all, I am writing a match for iptables and I would like it to have a=
=20
> different behaviour when it is called from different chains (e.g.=20
> different behaviour when called from INPUT than OUTPUT) anyone knows ho=
w=20
> to check in the match which is the chain that is calling it?

I do not have the answer to your question, but you could watch the code=20
of the NETMAP target which does destination NAT in the PREROUTING chain=20
and source NAT in the POSTROUTING chain. By the way, how does it behave=20
in the OUTPUT chain ?