From owner-freebsd-hackers Tue Jan 12 15:30:22 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA03973 for freebsd-hackers-outgoing; Tue, 12 Jan 1999 15:30:22 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from smtp01.wxs.nl (smtp01.wxs.nl [195.121.6.61]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA03968 for ; Tue, 12 Jan 1999 15:30:20 -0800 (PST) (envelope-from asmodai@wxs.nl) Received: from daemon.ninth-circle.org ([195.121.57.64]) by smtp01.wxs.nl (Netscape Messaging Server 3.6) with ESMTP id AAA503; Wed, 13 Jan 1999 00:29:46 +0100 Message-ID: X-Mailer: XFMail 1.3 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <19990112150229.A804@wopr.caltech.edu> Date: Wed, 13 Jan 1999 00:37:36 +0100 (CET) Organization: Ninth Circle Enterprises From: Jeroen Ruigrok/Asmodai To: Matthew Hunt Subject: Re: tcpdump and localhost Cc: FreeBSD Hackers Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 12-Jan-99 Matthew Hunt wrote: > On Wed, Jan 13, 1999 at 12:00:55AM +0100, Jeroen Ruigrok/Asmodai wrote: > >> I got no response. This got me curious, because as far as I know, a ping >> to localhost never leaves the card and should thus be seen by tcpdump. > > A ping to localhost will travel on the loopback interface, not the > Ethernet card. > > Try "tcpdump -i lo0". D'oh... OK, and if I ping the IP address associated with the NIC then it gets put on the wire right? --- Jeroen Ruigrok van der Werven A veil of smoke is what I am, asmodai(at)wxs.nl I wait and I wait... Network/Security Specialist BSD & picoBSD: The Power to Serve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message