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Date: Thu, 10 Sep 2009 08:47:44 +0200
From: Luigi Rizzo <rizzo@iet.unipi.it>
To: mkarjal <matti.karjalainen@nsn.com>
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Cc: freebsd-ipfw@freebsd.org
Subject: Re: IPFW and SCTP port number
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On Wed, Sep 09, 2009 at 11:17:50PM -0700, mkarjal wrote:
> 
> Hi,
> 
> I'm trying to catch SCTP packets with IPFW by SCTP port numbers, should it
> be working or not?
> Or is there some different syntax for this?
> 
> "ipfw add count sctp from any to any" works, counts all SCTP packets.
> 
> "ipfw add count sctp from any 49606 to any" does not work. Counters show
> zero reading.
> 
> I have tried adding IP address, with different port ranges and combinations.
> I have tested this with 7.2-RELEASE and 8.0-BETA3.

i think at the moment ipfw is not parsing sctp headers so it
does not fetch port numbers.

cheers
luigi