Comprehensive searchable directory of standard TCP and UDP network port numbers (Port 80 HTTP, 443 HTTPS, 22 SSH, 3306 MySQL) and protocols.
| Port | Protocol | Service | Description |
|---|---|---|---|
| 21 | TCP | FTP | File Transfer Protocol |
| 22 | TCP | SSH | Secure Shell remote login |
| 25 | TCP | SMTP | Simple Mail Transfer Protocol |
| 53 | TCP/UDP | DNS | Domain Name System |
| 80 | TCP | HTTP | Hypertext Transfer Protocol |
| 110 | TCP | POP3 | Post Office Protocol v3 |
| 143 | TCP | IMAP | Internet Message Access Protocol |
| 443 | TCP | HTTPS | HTTP over TLS/SSL secure web |
| 3306 | TCP | MySQL | MySQL database server port |
| 5432 | TCP | PostgreSQL | PostgreSQL database server port |
| 6379 | TCP | Redis | Redis in-memory key-value cache |
| 8080 | TCP | HTTP-Alt | Common development / proxy port |
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