Hello my Friends of the Newsgroup

> traceroute is a special implementation of PING, and PING does not

>> access an arbitrary port. The general usage of PING and traceroute is >> to verify a routing path to a specific IP-ADDRESS, not a port on that >> host. > > On the contrary, traceroute can be told to send it's UDP queries to a > specific port. Thus it would be possible to see which host / firewall > is blocking access. At least this is the case on Slackware Linux. > >

regardless, the application listening on said port must be willing to reply according to the ICMP protocol, which is highly unlikely.

just try it on ports 80 or 443 :)

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IT-Security und Netzwerktechni
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