Port Number Reference

Common TCP/UDP ports with short descriptions. Search by port number or service name.

PortProtocolServiceDescription

Ports 0–1023 are well-known; 1024–49151 are registered; 49152–65535 are dynamic/private.

Try it with this example

Type "443" or "mysql" in the search to find HTTPS and MySQL ports.

What is this tool?

What port does SSH use? Or MySQL? Look up common TCP/UDP ports: 22 (SSH), 80 (HTTP), 443 (HTTPS), 3306 (MySQL), 5432 (PostgreSQL), and more. Search by port number or service name.