From owner-freebsd-security Wed Dec 11 15:24:17 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id PAA17769 for security-outgoing; Wed, 11 Dec 1996 15:24:17 -0800 (PST) Received: from ican.net (ican.net [198.133.36.9]) by freefall.freebsd.org (8.8.4/8.8.4) with SMTP id PAA17762 for ; Wed, 11 Dec 1996 15:24:15 -0800 (PST) Received: from gate.ican.net(really [198.133.36.2]) by ican.net via sendmail with esmtp id for ; Wed, 11 Dec 1996 18:24:06 -0500 (EST) (Smail-3.2 1996-Jul-4 #1 built 1996-Jul-10) Received: (from smap@localhost) by gate.ican.net (8.7.5/8.7.3) id SAA29776; Wed, 11 Dec 1996 18:20:42 -0500 (EST) Received: from nap.io.org(10.1.1.3) by gate.ican.net via smap (V1.3) id sma029772; Wed Dec 11 18:20:23 1996 Received: from localhost (taob@localhost) by nap.io.org (8.7.5/8.7.3) with SMTP id SAA18885; Wed, 11 Dec 1996 18:17:23 -0500 (EST) X-Authentication-Warning: nap.io.org: taob owned process doing -bs Date: Wed, 11 Dec 1996 18:17:23 -0500 (EST) From: Brian Tao To: spork cc: FREEBSD-SECURITY-L Subject: Re: Risk of having bpf0? (was URGENT: Packet sniffer found on my system) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-security@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Wed, 11 Dec 1996, spork wrote: > > Another thing to note is that some switched hubs support a nice > feature called "port mirroring" that lets you (depending on $$ paid > for switch) mirror all traffic on all (or selected) ports to an extra > port where you plug in your monitoring station and sniff away... Hrm, nifty... I'll have to check that out. We've got a bunch of 3com LS1000's here (nice product, btw). -- Brian Tao (BT300, taob@io.org, taob@ican.net) Senior Systems and Network Administrator, Internet Canada Corp. "Though this be madness, yet there is method in't"