| 20 | FTP | File Transfer Protocol Data |
| 21 | FTP | File Transfer Protocol |
| 22 | SSH | Secure Shell |
| 23 | TTS | Tiny Telnet Server |
| 25 | SMTP | Simple Mail Transfer Protocol |
| 53 | DNS | Domain Name System |
| 67 | BOOTP | Bootstrap Protocol Server |
| 68 | BOOTP | Bootstrap Protocol Client |
| 69 | TFTP | Trivial File Transfer Protocol |
| 80 | HTTP | HyperText Transport Protocol |
| 109 | POP2 | Post Office Protocol Version 2 |
| 110 | POP3 | Post Office Protocol Version 3 |
| 123 | NTP | Network Time Protocol |
| 135 | RPC | Remote Procedure Call |
| 139 | NetBIOS | NetBIOS Session Service |
| 143 | IMAP | Internet Message Access Protocol |
| 161 | SNMP | Simple Network Management Protocol |
| 443 | HTTPS | Hyper Text Transfer Protocol over Secure Socket Layer |
| 465 | SMTPS | Simple Mail Transfer Protocol over Secure Socket Layer |
| 554 | RTSP | Real Time Streaming Protocol |
| 993 | IMAPS | Internet Message Access Protocol over Secure Socket Layer |
| 995 | POP3S | Post Office Protocol Version 3 over Secure Socket Layer |
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