From owner-freebsd-questions Fri Dec 20 15:05:55 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id PAA14339 for questions-outgoing; Fri, 20 Dec 1996 15:05:55 -0800 (PST) Received: from Campino.Informatik.RWTH-Aachen.DE (campino.Informatik.RWTH-Aachen.DE [137.226.116.240]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id PAA14332 for ; Fri, 20 Dec 1996 15:05:49 -0800 (PST) Received: from gilberto.physik.rwth-aachen.de (gilberto.physik.rwth-aachen.de [137.226.31.2]) by Campino.Informatik.RWTH-Aachen.DE (RBI-Z-5/8.6.12) with ESMTP id AAA29449; Sat, 21 Dec 1996 00:07:27 +0100 (MET) Received: (from kuku@localhost) by gilberto.physik.rwth-aachen.de (8.8.3/8.6.9) id AAA00252; Sat, 21 Dec 1996 00:19:12 +0100 (MET) From: Christoph Kukulies Message-Id: <199612202319.AAA00252@gilberto.physik.rwth-aachen.de> Subject: Re: bpf In-Reply-To: <01BBEE95.EC21DA80@mattn.ctjms.com> from Matt Nelson at "Dec 20, 96 04:50:35 pm" To: mattn@alpha.ctjms.com (Matt Nelson) Date: Sat, 21 Dec 1996 00:19:12 +0100 (MET) Cc: freebsd-questions@freebsd.org Reply-To: Christoph Kukulies X-Mailer: ELM [version 2.4ME+ PL28 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > I am trying to run several programs for network monitoring, but when I try to run them they tell me /dev/bpf0 not configured. I have read in the tcpdump man page that it requires permissions?? > > There is a device bpf0, and I can not find any info on configuring this device. > Any help is apprietiated. You have to build a new kernel with the config line pseudo-device bpfilter 4 # 4 is sufficient for most cases > > > Thanks in advance > > > Matt Nelson > Companion Technologies of MS > > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de