Or in the case of Microsoft it is ICMP messages!!!
At 11:16 PM 4/7/98 -0500, Smoot Carl-Mitchell wrote:
>>Maybe I'm just stupid today, but isn't traceroute just a series of ICMP
>>with a specific Time-To-Live set in stages? And if ICMP packets are
>>how do you block the "traceroute" program?
>Traceroute uses UDP packets to a high port number with the TTL incremented by
>one for each packet sent. It listens for the ICMP Time Expired packets
>returning. That is where it derives the IP addresses of each hop.
>Texas Internet Consulting
>1106 Clayton Lane, Suite 500W
>Austin, TX 78723
>+1 512 451-6176
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