Re: How to know inside a match which chain is calling

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On Tue, 17 Oct 2006, aoliva wrote:

> Sorry for being unspecific. I have implemented a match, this match is called
> in the chains OUTPUT and INPUT. I would like to know a way of accessing an
> structure or calling a function or something similar in order to be able of
> doing a switch inside the match changing the behaviour if the match is called
> from OUTPUT or INPUT.

You can't figure out the calling chain in a match: netfilter does not 
provide the data. You have to pass the info as a command line option.

Best regards,
Jozsef
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