| Tabela de portas mais usadas | ||
|---|---|---|
| Porta | Tipo Porta | Service |
| 21 | TCP | FTP (File TransportToLink Protocol) - file storage and retrieval |
| 22 | TCP | SSH, SFTP - secure shell and SSH based FTP |
| 23 | TCP | Telnet - non-secure shell |
| 25 | TCP | SMTP (Simple Mail Transfer Protocol) - sending and receiving email messages |
| 53 | TCP | DNS (Domain Name System) - mapping from hostname to ip and vice versa |
| 80 | TCP | HTTP (HyperText Transfer Protocol) - main protocol of world wide web |
| 110 | TCP | POP (Post Office Protocol) - mail retrieval protocol |
| 123 | TCP | NTP (Network Time Protcol) - time synchronization protocol |
| 143 | TCP | IMAP (Internet Message Access Protocol) - mail retrieval protocol |
| 156 | TCP | SQL - relational database |
| 161 | TCP | SNMP (Simple Network Management Protocol) - network configuration protocol |
| 162 | TCP | SNMP (Simple Network Management Protocol) - network configuration protocol |
| 179 | TCP | BGP (Border Gateway Protocol) - routing configuration protocol |
| 389 | TCP | LDAP (Lightweight Directory Access Protocol) - distributed directory |
| 443 | TCP | HTTPS - secure HTTP |
| 636 | TCP | LDAPS - secure LDAP |
| 3306 | TCP | MySQL database |
| 3389 | TCP | RDP - Remote Desktop |