Determining availability of a remote machine
kim.holburn at anu.edu.au
Wed Apr 2 18:47:27 EST 2003
At 6:20 PM +1000 2003/04/02, Warwick Mitchell wrote:
>On Wed, 2 Apr 2003, Steve Jenkin wrote:
>> 'traceroute' relies on the proper intermediate handling of expired 'time to
> > live', not ICMP ECHO (ping).
>It's still ICMP.
It relies on an icmp reply to a udp packet (port not in use or some such. The icmp is generated by the remote machine not traceroute.
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