~/netref / Ports & Protocols
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Well-Known Ports & Protocols

Ports 0–1023 are well-known. These are the ones that come up in firewalls, ACLs, and exams. Type a number, name or protocol to filter.

0 – 1023
Well-known
1024 – 49151
Registered
49152 – 65535
Dynamic / ephemeral
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49 / 49 ports · click a row to copy the number