Services
More common services can be located in /etc/services
on most BSD, Linux and Unix systems.
Port number | Service | Dependencies | |
---|---|---|---|
20 | FTP (data) | TCP | |
21 | FTP (command) | TCP | |
22 | SFTP | TCP | |
22 | SSH | TCP | |
23 | Telnet | TCP | |
25 | SMTP (insecure) | TCP | |
67 | DHCP (server) | UDP | |
68 | DHCP (client) | UDP | |
69 | TFTP | UDP | |
80 | HTTP | TCP | |
110 | POP3 (insecure) | TCP | |
135 | Windows RPC | TCP/UDP | |
143 | IMAP | TCP | |
389 | LDAP | TCP/UDP | |
443 | HTTPS | TCP | |
445 | SMB | TCP | |
587 | SMTP (secure) | TCP | |
636 | LDAPs | TCP | |
993 | IMAP (secure) | TCP | |
995 | POP3 (secure) | TCP | |
1433 | SQL Server (default instance) | TCP | |
1434 | SQL Server (dedicated admin connection) | TCP | |
1434 | SQL Server (browser service) | UDP | |
2376 | Docker engine | TCP | |
3306 | MySQL | TCP | |
5432 | PostgreSQL | TCP/UDP |