Security Incidents mailing list archives

Re: ICMP_TIME_EXCEEDED to network address?


From: "E, M" <freehold () EROLS COM>
Date: Wed, 24 Jan 2001 11:26:16 +0000

I suppose someone could forge fragmented ICMP packets that are missing
some of the fragments and force a host to reply with one of these
packets with an ICMP 11/1.  Is someone at your network doing
traceroute?  You could be seeing a response from a router.

For routine 'what am I seeing?' questions, a good resource is 'What am I
seeing?' :) at

http://www.robertgraham.com/pubs/firewall-seen.html


Missy


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