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Date: Sun, 18 Jan 2004 15:03:22 +0200 From: Petri Helenius <pete@he.iki.fi> To: jlewis@lewis.org Cc: "Matthew S. Hallacy" <poptix@techmonkeys.org>, nanog@merit.edu In-Reply-To: <Pine.LNX.4.44.0401161727500.1212-100000@redhat1.mmaero.com> Errors-To: owner-nanog-outgoing@merit.edu jlewis@lewis.org wrote: >It's those dang Nachi-sized ICMP echo/echo-replies. We block those at all >our transit points and dial-up ports. Nachi was killing our cisco >access-servers until we did this to stop the spread. > >Unfortunately, this breaks Windows tracert as it uses 92-byte echo >requests. Use a "real" traceroute, and you won't see this problem. > > > I know what they are and how to get around them. I just look down on people dropping my packets in their backbones without reason. Pete
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