Bitte auf die Reihenfolge achten da die Tabelle nicht sortierbar ist.
| Nr. | Protokoll | Beschreibung |
|---|---|---|
| 20 | FTP | Datenübertragung |
| 21 | FTP | Verbindungsaufbau und Steuerung |
| 22 | SSH | Secure Shell |
| 23 | Telnet | Terminal Emulation Programm |
| 25 | SMTP | Mail Transfer Agent |
| 49 | Tacacs | Tacacs Login Host Protocol |
| 53 | DNS | Domain Name Service |
| 69 | TFTP | Trivial File Transfer Protocol |
| 79 | Finger | Finger |
| 80 | HTTP | Webserver |
| 88 | Kerberos | Kerberos Authentifizierungssystem |
| 100 | POP | Mail Delivery Agent v2 |
| 110 | POP | Mail Delivery Agent v3 |
| 111 | SunRPC | zB NFS Portmapper |
| 115 | SFTP | Simple File Transfer Protocol |
| 123 | NTP | Network Time Protocol |
| 137 | NetBIOS | NetBIOS Name Service |
| 138 | NetBIOS | NetBIOS Datagram Service |
| 139 | NetBIOS | NetBIOS Session Service |
| 143 | IMAP | Mail Delivery Agent |
| 161 | SNMP | Simple Network Management Protocol |
| 162 | SNMP | Simple Network Management Protocol Trap |
| 179 | BGP | Border Gateway Protocol |
| 246 | BGMP | Border Gateway Multicast Protocol |
| 389 | LDAP | Lightweight directory access protocol |
| 443 | HTTPS | Webserver verschlüsselt |
| 445 | SMB | Windows Freigaben, auch bekannt als CIFS |
| 464 | Kerberos | Kerberos Change/Set password |
| 465 | SMTPs | Mail Transfer Agent verschlüsselt |
| 520 | RIP | Routing information protocol |
| 521 | RIP | Routing information protocol für IPv6 |
| 543 | kLOGIN | Kerberos login |
| 544 | kSHELL | Kerberos Remote shell |
| 546 | DHCPv6 | DHCPv6 Client |
| 547 | DHCPv6 | DHCPv6 Server |
| 587 | SMTP | Mail Transfer Agent |
| 636 | LDAPS | Lightweight directory access protocol over TLS/SSL |
| 646 | LDP | Label distribution protocol für MPLS |
| 993 | IMAPs | Mail Delivery Agent verschlüsselt |
| 995 | POPs | Mail Delivery Agent |
| 3389 | RDP | Remote Desktop |