From owner-freebsd-questions Wed Jan 24 09:19:10 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id JAA07082 for questions-outgoing; Wed, 24 Jan 1996 09:19:10 -0800 (PST) Received: from halloran-eldar.lcs.mit.edu (halloran-eldar.lcs.mit.edu [18.26.0.159]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id JAA07071 for ; Wed, 24 Jan 1996 09:18:46 -0800 (PST) Received: by halloran-eldar.lcs.mit.edu; (5.65/1.1.8.2/19Aug95-0530PM) id AA09973; Wed, 24 Jan 1996 12:18:14 -0500 Date: Wed, 24 Jan 1996 12:18:14 -0500 From: "Garrett A. Wollman" Message-Id: <9601241718.AA09973@halloran-eldar.lcs.mit.edu> To: Gary Crutcher Cc: questions@freebsd.org Subject: ip address trapping In-Reply-To: <2.2.32.19960123204117.006aba20@nightflight.com> References: <2.2.32.19960123204117.006aba20@nightflight.com> Sender: owner-questions@freebsd.org Precedence: bulk < said: > I have a need to trap specific IP addresses going from the private side of > our net to the public side, i.e., I want to know who a specific user is > trying to contact. # tcpdump ip host the-host-on-your-side -GAWollman -- Garrett A. Wollman | Shashish is simple, it's discreet, it's brief. ... wollman@lcs.mit.edu | Shashish is the bonding of hearts in spite of distance. Opinions not those of| It is a bond more powerful than absence. We like people MIT, LCS, ANA, or NSA| who like Shashish. - Claude McKenzie + Florent Vollant