Re: Traceroute Mal-formed packets

From: John McLaren (john.mclaren@murraystate.edu)
Date: Thu Mar 06 2003 - 09:39:27 EST


The capture shown in my article was captured with tcpdump on the linux box
performing the traceroute. I used Etherpeek to open the dump so that it
would be more readable.

The reply packets are definitely port unreachables - type 3, code 3. There
is no question about that. It would seem to follow then, that the router is
opening layer 4.

JMcLaren

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