From owner-freebsd-net Mon Feb 15 12:00:36 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA25824 for freebsd-net-outgoing; Mon, 15 Feb 1999 12:00:36 -0800 (PST) (envelope-from owner-freebsd-net@FreeBSD.ORG) Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA25816 for ; Mon, 15 Feb 1999 12:00:32 -0800 (PST) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.1/8.9.1) id PAA10471; Mon, 15 Feb 1999 15:00:28 -0500 (EST) (envelope-from wollman) Date: Mon, 15 Feb 1999 15:00:28 -0500 (EST) From: Garrett Wollman Message-Id: <199902152000.PAA10471@khavrinen.lcs.mit.edu> To: Barney Wolff Cc: freebsd-net@FreeBSD.ORG Subject: Re: Router stats & NIC in prom. mode... In-Reply-To: <36c877540.71db@databus.databus.com> References: <36c877540.71db@databus.databus.com> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org < said: > Send a packet to the IP of the suspect machine, with a "wrong" MAC. > If it answers, it's snooping. Not surefire, of course, but probably > works unless the bad guy has altered the net code. Or they are using a correct Ethernet driver.... -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message