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js2
on Dec 5, 2023
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Show HN: How did your computer reach my server?
It's IP and ICMP and possibly UDP, which are all part of TCP/IP, aka the Internet protocol suite.
geraldcombs
on Dec 5, 2023
[–]
The traceroute that ships with macOS supports ICMP, UDP, TCP, and GRE. As I recall, the one(s) available on most Linux distributions do as well.
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