On: Show HN: How did your computer reach my server?

[hiAndrewQuinn]

> Also, Linux/Unix traceroute by default use UDP to a high numbered (and usually closed) port for probe packets instead since UDP historically is less likely to be dropped/filtered than ICMP.

thanks! ive been wondering about this for ages!

[bwann → hiAndrewQuinn]

Trivia: 32,768 + 666 is the usual starting port of most implementations