TCtrace is like itrace a traceroute(1) brother – but it uses TCP SYN packets to trace. This makes it possible for you to trace through firewalls if you know one TCP service that is allowed to pass from the outside.

Commands are very simple, with 80 as a default destination port.

I used this command: tctrace -v -i eth0 -D 80 -d google.jp

That’s all

pavs