On Sun, May 19, 2002 at 12:32:08PM -0700, Wolfgang Rupprecht wrote:
> 
> The examples in the source were from the days when it was unusual for
> routers to do the TTL decrementing for ICMP messages correctly.
> Traceroute was the tool that caused folks to fix these bugs.

If that why traceroute uses UDP datagrams rather than the
(apparantly more obvious) ICMP echo packets?

If routers decrement the ttl of icmp echo packets, maybe
traceroute should default to icmp - makeing firewall
configuration that much easier...

	David

-- 
David Laight: david@l8s.co.uk