Network Port Numbers

Common TCP and UDP port reference for network services

About Network Ports
Network ports are numerical identifiers (0-65535) used to distinguish different services on a computer. Ports 0-1023 are well-known ports reserved for common services.

Well-Known Ports (0-1023)

System ports for common services

Port Protocol Service Description

Registered Ports (1024-49151)

Common application and database ports

Port Protocol Service Description