From owner-freebsd-net Wed Jan 12 7:34:37 2000 Delivered-To: freebsd-net@freebsd.org Received: from ind.alcatel.com (postal.xylan.com [208.8.0.248]) by hub.freebsd.org (Postfix) with ESMTP id 1828114C42 for ; Wed, 12 Jan 2000 07:34:35 -0800 (PST) (envelope-from wes@softweyr.com) Received: from mailhub.xylan.com (mailhub [198.206.181.70]) by ind.alcatel.com (8.9.3+Sun/8.9.1 (ind.alcatel.com 3.0 [OUT])) with SMTP id HAA25599; Wed, 12 Jan 2000 07:33:49 -0800 (PST) X-Origination-Site: Received: from omni.xylan.com by mailhub.xylan.com (SMI-8.6/SMI-SVR4 (mailhub 2.1 [HUB])) id HAA22777; Wed, 12 Jan 2000 07:33:48 -0800 Received: from softweyr.com ([204.68.178.39]) by omni.xylan.com (8.9.3+Sun/8.9.1 (Xylan engr [SPOOL])) with ESMTP id HAA17161; Wed, 12 Jan 2000 07:32:27 -0800 (PST) Message-ID: <387C9FAD.2243D875@softweyr.com> Date: Wed, 12 Jan 2000 08:37:17 -0700 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 3.3-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Mark Summerfield Cc: Frank Bonnet , freebsd-net@freebsd.org Subject: Re: IP address abuse ... References: <200001111057.LAA17219@bart.esiee.fr> <4.2.0.58.20000112121617.00ae0380@mullian.ee.mu.oz.au> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Mark Summerfield wrote: > > At 12:03 11/01/00 -0700, Wes Peters wrote: > >Frank Bonnet wrote: > > > > > > Our primary DNS runs FreeBSD and we are facing > > > a boring problem , some stupid student has > > > put the same IP address than the DNS on a Linux (mandrake) > > > machine , then our FreeBSD said "someone has taken my IP address" > > > and stop to serve our LAN ... > > > > > > Is it possible with FreeBSD to avoid such trouble ? > > > ( arpwatch is running on this machine ) > > > >You do have sledgehammers in .fr, don't you? Take one and bash his machine > >into several thousand small pieces, then explain to him that stealing IP > >addresses is a TRES bad thing to do. > > This does seem to be the best solution -- and has widespread support ;-) I ran this past a couple of coworkers, whose universal reply can be summed up as "why waste a good machine, apply the sledgehammer to the user instead." -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message