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Date: Sun, 27 Feb 2005 23:29:07 -0800
From: Julian Elischer <julian@elischer.org>
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To: Aziz KEZZOU <opensource.enthousiat@gmail.com>
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cc: freebsd-hackers@freebsd.org
Subject: Re: intercepting RSVP packets with netgraph
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Aziz KEZZOU wrote:
> Hi all,
> I've read every thing I could find about netgraph but I still can not
> figure out how to intercept (divert) all IP packets of a certain type
> (say RSVP)  and call my own function to process them.
> 
> Notice that the processing has to occur at the kernel level.
> 
> Any help is appreciated. Thanks in advance.
> 
> Aziz Kezzou
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use the bpf node as a filter to separate them out..
OR use ipfw to separate them out and pass them somewhere (e.g. to netgraph)