RFC 900: Assigned Numbers

This RFC specifies parameter values use in the Internet family of protocols, such as network numbers, well known ports, protocol types, and version numbers.…

Read RFC 900 on the RFC Editor

Outgoing relationships (1 related RFC)

Obsoletes — RFC 870: Assigned numbers

Incoming relationships (4 related RFCs)

Obsoleted by — RFC 923: Assigned numbers
Informatively referenced by — RFC 7605: Recommendations on Using Assigned Transport Port Numbers
Informatively referenced by — RFC 944: Official ARPA-Internet protocols
Informatively referenced by — RFC 2626: The Internet and the Millennium Problem (Year 2000)