bugtraq - Re: Revised paper on "ICMP attacks against TCP"

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Date: Sat, 10 Sep 2005 16:53:12 +0200
From: Florian Weimer <fw@...eb.enyo.de>
To: Fernando Gont <fernando@....utn.edu.ar>
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: Revised paper on "ICMP attacks against TCP"

* Fernando Gont:

> IIRC, those Cisco products that are not vulnerable to the PMTU just don't 
> implement PMTUD, right?

You can explicitly enable PMTUD if you want ("ip tcp
path-mtu-discovery").  It's recommended to reduce CPU overhead for
processing BGP message (no kidding, apparently it id make a difference
in the past).
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