Date: Thu, 14 Oct 1999 11:46:48 +0200 From: Pierre Beyssac <beyssac@enst.fr> To: sthaug@nethelp.no, avalon@coombs.anu.edu.au Cc: jkb@best.com, roberto@keltia.freenix.fr, freebsd-security@FreeBSD.ORG Subject: Re: anti-spoofing Message-ID: <19991014114648.A38195@enst.fr> In-Reply-To: <67021.939893926@verdi.nethelp.no>; from sthaug@nethelp.no on Thu, Oct 14, 1999 at 11:38:46AM %2B0200 References: <199910140924.TAA27074@cheops.anu.edu.au> <67021.939893926@verdi.nethelp.no>
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On Thu, Oct 14, 1999 at 11:38:46AM +0200, sthaug@nethelp.no wrote: > No, it's a good range to block. Always. Because you never want to have > multicast addresses as *source* address. Furthermore, multicast is generally tunneled as IP in IP since most providers don't provide it natively; so in many cases you shouldn't see it as a destination address on a leased line either. -- Pierre Beyssac pb@enst.fr To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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