From owner-freebsd-questions  Tue Jan  7  7:32:13 2003
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Date: Tue, 7 Jan 2003 16:32:01 +0100 (CET)
From: Andrew Prewett <andrew@kronos.HomeUnix.com>
Reply-To: Andrew Prewett <andrew+freebsd-questions@kronos.HomeUnix.com>
To: FreeBSD Questions <freebsd-questions@FreeBSD.ORG>
Subject: Re: tcpdump problem
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On Jan 8 Brendan Kosowski wrote:

>
> I am running FreeBSD 3.4 with the GENERIC kernel which has
> the line "pseudo-device bpfilter 1" uncommented in the config. I also
> re-built and re-installed GENERIC just to be sure.
>
> /dev/bpf0 has "rw" permissions for the owner (root). There are no other
> bpf devices in /dev.
>
> When I su to root and run tcpdump, I get the message
> "tcpdump: /dev/bpf1: No such file or directory".
>
> Can anyone help?

 Maybe /dev/bpf0 already in use by another process. The simplest
solution is to rebuild the kernel with increased number of devices,
like `pseudo-device bpfilter 4'.

	-andrew


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