[96357] in RedHat Linux List
Re: Filtering by Ethernet HW address?
daemon@ATHENA.MIT.EDU (Thomas Gaume)
Mon Oct 26 16:06:23 1998
Date: Mon, 26 Oct 1998 20:44:22 +0000
From: Thomas Gaume <tom@flwireless.net>
To: redhat-list@redhat.com
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
I do alot of monitoring on our network, you may want to take a look at
tcpdump, it should be on your linux box in the /sbin directory. Try
something like "tcpdump | grep xxx" and you'll see if it is of any use.
"Kevin M. Myer" wrote:
> Hi,
>
> I recently inherited the job of net cop for our school district. There
> are certain people who are obviously violating our "Fair Use Internet
> Policy" and I've managed to obtain several MAC's in this case Ethernet
> hardware addresses. However, I don't know whose machines these are (aside
> from what I can deduce from the vendor's database of ethernet hardware
> addresses - they're Power Mac's with PCI buses, but that describes about
> 400 of our machines here...).
>
> Is there any software for Linux that will allow me to filter based on
> ethernet hardware address so that I can figure out what traffic is going
> to and from these particular machines?
>
> Thanks for any input.
>
> Kevin
>
> --
> Kevin M. Myer
> Technical Services Specialist
> ELANCO School District
>
> --
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