Port Reference

Common Port Reference is a searchable list of commonly used TCP and UDP network ports.

• Well-Known Ports: Provides a quick reference for Port 80 (HTTP), 443 (HTTPS), 21 (FTP), 22 (SSH), and more.
• Service Mapping: If you spot an unknown open port in a firewall, check here to see what service it belongs to.
• No Memorization: You don't need to memorize hundreds of ports; simply search by number or name.

Acts as a pocket guide for system administrators, ethical hackers, and IT security teams.