Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 5 Oct 1998 20:53:47 +0200
From:      Neil Blakey-Milner <nbm@rucus.ru.ac.za>
To:        "Alain G. Fabry" <fabry@panam.edu>, freebsd-questions@FreeBSD.ORG
Subject:   Re: sniffit can't open device
Message-ID:  <19981005205347.A22378@rucus.ru.ac.za>
In-Reply-To: <019901bdee47$2bd80cf0$5531d5c6@earth.coserve.org>; from Alain G. Fabry on Fri, Oct 02, 1998 at 03:56:48PM -0500
References:  <019901bdee47$2bd80cf0$5531d5c6@earth.coserve.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On Fri 1998-10-02 (15:56), Alain G. Fabry wrote:
> Why can't it open the de0?
> 
> #sniffit -F de0 -t ip-address
> Forcing device to de0 (user requested)...
> Make sure you have read the docs carefully.
> Couldn't open device.

Do you have BPFILTERs compiled into your kernel?

Also, do /dev/bpf* exist.  (cd /dev && sh MAKEDEV bpf[012])

Finally, do you have _enough_ bpf's compiled in and devices made for them?
Each process such as arpwatch, sniffit, etc, uses a new bpf device.

Neil
-- 
Neil Blakey-Milner
nbm@rucus.ru.ac.za

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19981005205347.A22378>