From owner-freebsd-isp Sun Jun 22 19:35:35 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id TAA05932 for isp-outgoing; Sun, 22 Jun 1997 19:35:35 -0700 (PDT) Received: from weblock.tm.net.my ([202.188.0.180]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id TAA05927 for ; Sun, 22 Jun 1997 19:35:29 -0700 (PDT) Received: from lovebox ([202.184.153.17]) by weblock.tm.net.my (Post.Office MTA v3.1 release PO203a evaluation license) with SMTP id AAA3397; Mon, 23 Jun 1997 10:35:33 +0800 Message-Id: <3.0.32.19970623102622.00966a10@mail.tm.net.my> X-Sender: sweeting@mail.tm.net.my X-Mailer: Windows Eudora Pro Version 3.0 (32) To: spork From: chas Subject: Re: duplicate IP = security problem ? Cc: freebsd-isp@FreeBSD.ORG Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Mon, 23 Jun 1997 10:35:33 +0800 Sender: owner-isp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Hi Spork, >The part that confuses me here is that this is coming from a machine on >you local ethernet... That was what was worrying me since we do _not_ share the ethernet with others. > Do you share an ethernet resource with others? No. >Also, if you're not on a switched ethernet segment, others on the ethernet >can sniff any and all packets, even with simple DOS-based programs. If >you must share ethernet, consider setting up a router (or better yet a >FBSD box with 2 eth cards doing routing; I believe it can handle wire >speed) to give yourself a little bit of privacy. This is one of those things we have just been procrastinating over at length. Guess this is a good warning/motivation. Thank you very much, chas