From owner-freebsd-isp  Sun Nov  1 11:08:24 1998
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Date: Sun, 1 Nov 1998 14:08:12 -0500
From: Chris Johnson <cjohnson@palomine.net>
To: Willow <willow@tds.edu>, freebsd-isp@FreeBSD.ORG
Subject: Re: tcpdump
References: <Pine.BSF.4.05.9811011326270.1067-100000@zeus.tds.edu>
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In-Reply-To: <Pine.BSF.4.05.9811011326270.1067-100000@zeus.tds.edu>; from Willow on Sun, Nov 01, 1998 at 01:27:37PM -0500
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On Sun, Nov 01, 1998 at 01:27:37PM -0500, Willow wrote:
> when trying to run tcmpdump as root I get the following:
>  
> tcpdump: /dev/bpf0: Device not configured
> 
> Any ideas why?  

Yep. You need to compile support for bpfilter into your kernel. Stick this in
your kernel config file and recompile:

pseudo-device   bpfilter        4

Chris

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