Date: Mon, 5 May 1997 21:54:51 -0700 (PDT) From: Vincent Poy <vince@mail.MCESTATE.COM> To: Alex Nash <nash@mcs.com> Cc: Michael Slater <slaterm@amiga.amitar.com.au>, freebsd-isp@FreeBSD.ORG Subject: Re: Ping flood atacks Message-ID: <Pine.BSF.3.95.970505215327.1286I-100000@mail.MCESTATE.COM> In-Reply-To: <336EA384.6201DD56@mcs.com>
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On Mon, 5 May 1997, Alex Nash wrote: > Vincent Poy wrote: > > > > What about if we're running a FreeBSD based router using a ET/5025 > > Dual ported card and we wanted to filter out only packets larger than a > > certain sized for ICMP ping requests for any ping requests coming in the > > router? > > ipfw can't filter by packet size. Are you worried about the ping o' > death? FreeBSD is immune. Well not actually worried but it did happen a few times before and our provider being CRL had to like do something on their core router to stop it and they said it could be done on a Cisco router which is what we don't have. Cheers, Vince - vince@MCESTATE.COM - vince@GAIANET.NET ________ __ ____ Unix Networking Operations - FreeBSD-Real Unix for Free / / / / | / |[__ ] GaiaNet Corporation - M & C Estate / / / / | / | __] ] Beverly Hills, California USA 90210 / / / / / |/ / | __] ] HongKong Stars/Gravis UltraSound Mailing Lists Admin /_/_/_/_/|___/|_|[____]
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