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Date:      Mon, 22 Apr 2002 11:16:58 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        Lyndon Nerenberg <lyndon@orthanc.ab.ca>
Cc:        freebsd-current@FreeBSD.org
Subject:   Re: Adding a 'bpf' group for /dev/bpf*
Message-ID:  <20020422111600.G5217-100000@resnet.uoregon.edu>
In-Reply-To: <200204202139.g3KLdEJ80591@orthanc.ab.ca>

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On Sat, 20 Apr 2002, Lyndon Nerenberg wrote:

> For the benefit of packet sniffers and other things that only want
> read-only access to /dev/bpf*, what do people think of adding a 'bpf'
> group for those programs?  This allows bpf devices to be read by
> programs running with an effective gid of 'bpf' instead of the current
> requirement for an effective user of root.  I've been running this way
> on many of our servers for several months now, and things like snort,
> tcpdump, etc., are quite happy with it (under stable).

There's the other small problem that you have to be root to set
promiscuous mode.

Doug White                    |  FreeBSD: The Power to Serve
dwhite@resnet.uoregon.edu     |  www.FreeBSD.org


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