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From: Olivier Certner <olivier.certner@free.fr>
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Date: Wed, 5 Jan 2005 21:23:42 +0100
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Subject: Re: Is bpf a part of IPFW, or am I confused?
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 I'm not able to give a deep answer on that. What I can say is that you must 
compile the kernel with bpf if you want to use the DHCP protocol or the 
tcpdump utility.

 It would be great if someone can clarify the precise roles of bpf.

  Olivier