by Does anyone know if there is a program out for tcp/udp that performs
similarly to traceroute?
IE, you tell the program: tcptrace 25 some.host.somewhere, it sends
out a tcp packet on the sendmail port with a ttl of 1, and looks
at the response, sends another with a ttl of 2, etc etc. Traceroute
is rapidly losing its affectiveness as more and more firewalls block
much the upper UDP ports.
While this is a Unix newsgroup a version for 95 would be nice also, then
I could put it on a remote (geocities) site and when someone tells me
"your router is down, traceroute ends there" I could give them this program
so they could find that they were actually being blocked by a firewall
on their end.
Roger
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