Service Name and Transport Protocol Port Number Registry
https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=22
WEB5 days ago · services that run over transport protocols such as TCP, UDP, DCCP, and. SCTP. Service names are assigned on a first-come, first-served process, as. documented in [ RFC6335 ]. Port numbers are assigned in various ways, based on three ranges: System. Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private.
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