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Registry included below
Not defined
These are the Official Protocol Names as they appear in the Domain Name System WKS records and the NIC Host Table. Their use is described in [RFC952] and will be combined into the port number registry per [http://tools.ietf.org/html/draft-ietf-tsvwg-iana-ports] when approved. A service name may be up to 15 characters taken from the set of letters, digits, and the special character hyphen. It must start with a letter, and must consist of a combination of letters and digits. It must not start or end with a hyphen.
| Name | Description | Reference |
|---|---|---|
| ARGUS | ARGUS Protocol | |
| ARP | Address Resolution Protocol | |
| AUTH | Authentication Service | |
| BBN-RCC-MON | BBN RCC Monitoring | |
| BL-IDM | Britton Lee Intelligent Database Machine | |
| BOOTP | Bootstrap Protocol | |
| BOOTPC | Bootstrap Protocol Client | |
| BOOTPS | Bootstrap Protocol Server | |
| BR-SAT-MON | Backroom SATNET Monitoring | |
| CFTP | CFTP | |
| CHAOS | CHAOS Protocol | |
| CHARGEN | Character Generator Protocol | |
| CISCO-FNA | CISCO FNATIVE | |
| CISCO-TNA | CISCO TNATIVE | |
| CISCO-SYS | CISCO SYSMAINT | |
| CLOCK | DCNET Time Server Protocol | |
| CMOT | Common Mgmnt Info Ser and Prot over TCP/IP | |
| COOKIE-JAR | Authentication Scheme | |
| CSNET-NS | CSNET Mailbox Nameserver Protocol | |
| DAYTIME | Daytime Protocol | |
| DCN-MEAS | DCN Measurement Subsystems Protocol | |
| DCP | Device Control Protocol | |
| DGP | Dissimilar Gateway Protocol | |
| DISCARD | Discard Protocol | |
| DMF-MAIL | Digest Message Format for Mail | |
| DOMAIN | Domain Name System | |
| ECHO | Echo Protocol | |
| EGP | Exterior Gateway Protocol | |
| EHF-MAIL | Encoding Header Field for Mail | |
| EMCON | Emission Control Protocol | |
| EMFIS-CNTL | EMFIS Control Service | |
| EMFIS-DATA | EMFIS Data Service | |
| FCONFIG | Fujitsu Config Protocol | |
| FINGER | Finger Protocol | |
| FTP | File Transfer Protocol | |
| FTP-DATA | File Transfer Protocol Data | |
| GGP | Gateway Gateway Protocol | |
| GRAPHICS | Graphics Protocol | |
| HMP | Host Monitoring Protocol | |
| HOST2-NS | Host2 Name Server | |
| HOSTNAME | Hostname Protocol | |
| ICMP | Internet Control Message Protocol | |
| IGMP | Internet Group Management Protocol | |
| IGP | Interior Gateway Protocol | |
| IMAP2 | Interim Mail Access Protocol version 2 | |
| INGRES-NET | INGRES-NET Service | |
| IP | Internet Protocol | |
| IPCU | Internet Packet Core Utility | |
| IPPC | Internet Pluribus Packet Core | |
| IP-ARC | Internet Protocol on ARCNET | |
| IP-ARPA | Internet Protocol on ARPANET | |
| IP-CMPRS | Compressing TCP/IP Headers | |
| IP-DC | Internet Protocol on DC Networks | |
| IP-DVMRP | Distance Vector Multicast Routing Protocol | |
| IP-E | Internet Protocol on Ethernet Networks | |
| IP-EE | Internet Protocol on Exp. Ethernet Nets | |
| IP-FDDI | Transmission of IP over FDDI | |
| IP-HC | Internet Protocol on Hyperchannnel | |
| IP-IEEE | Internet Protocol on IEEE 802 | |
| IP-IPX | Transmission of 802.2 over IPX Networks | |
| IP-MTU | IP MTU Discovery Options | |
| IP-NETBIOS | Internet Protocol over NetBIOS Networks | |
| IP-SLIP | Transmission of IP over Serial Lines | |
| IP-WB | Internet Protocol on Wideband Network | |
| IP-X25 | Internet Protocol on X.25 Networks | |
| IRTP | Internet Reliable Transaction Protocol | |
| ISI-GL | ISI Graphics Language Protocol | |
| ISO-TP4 | ISO Transport Protocol Class 4 | |
| ISO-TSAP | ISO TSAP | |
| LA-MAINT | IMP Logical Address Maintenance | |
| LARP | Locus Address Resoultion Protocol | |
| LDP | Loader Debugger Protocol | |
| LEAF-1 | Leaf-1 Protocol | |
| LEAF-2 | Leaf-2 Protocol | |
| LINK | Link Protocol | |
| LOC-SRV | Location Service | |
| LOGIN | Login Host Protocol | |
| Format of Electronic Mail Messages | ||
| MERIT-INP | MERIT Internodal Protocol | |
| METAGRAM | Metagram Relay | |
| MIB | Management Information Base | |
| MIHCS | MIH Command Services | [RFC5679] |
| MIHES | MIH Event Services | [RFC5679] |
| MIHIS | MIH Information Services | [RFC5679] |
| MIT-ML-DEV | MIT ML Device | |
| MFE-NSP | MFE Network Services Protocol | |
| MIT-SUBNET | MIT Subnet Support | |
| MIT-DOV | MIT Dover Spooler | |
| MPM | Internet Message Protocol (Multimedia Mail) | |
| MPM-FLAGS | MPM Flags Protocol | |
| MPM-SND | MPM Send Protocol | |
| MSG-AUTH | MSG Authentication Protocol | |
| MSG-ICP | MSG ICP Protocol | |
| MTQP | Message Tracking Query Protocol | [RFC3887] |
| MUX | Multiplexing Protocol | |
| NAMESERVER | Host Name Server | |
| NETBIOS-DGM | NETBIOS Datagram Service | |
| NETBIOS-NS | NETBIOS Name Service | |
| NETBIOS-SSN | NETBIOS Session Service | |
| NETBLT | Bulk Data Transfer Protocol | |
| NETED | Network Standard Text Editor | |
| NETRJS | Remote Job Service | |
| NI-FTP | NI File Transfer Protocol | |
| NI-MAIL | NI Mail Protocol | |
| NICNAME | Who Is Protocol | |
| NFILE | A File Access Protocol | |
| NNTP | Network News Transfer Protocol | |
| NSW-FE | NSW User System Front End | |
| NTP | Network Time Protocol | |
| NVP-II | Network Voice Protocol | |
| OSPF | Open Shortest Path First Interior GW Protocol | |
| PCMAIL | Pcmail Transport Protocol | |
| POP2 | Post Office Protocol - Version 2 | |
| POP3 | Post Office Protocol - Version 3 | |
| PPP | Point-to-Point Protocol | |
| PRM | Packet Radio Measurement | |
| PUP | PUP Protocol | |
| PWDGEN | Password Generator Protocol | |
| QUOTE | Quote of the Day Protocol | |
| RARP | A Reverse Address Resolution Protocol | |
| RATP | Reliable Asynchronous Transfer Protocol | |
| RE-MAIL-CK | Remote Mail Checking Protocol | |
| RDP | Reliable Data Protocol | |
| RIP | Routing Information Protocol | |
| RJE | Remote Job Entry | |
| RLP | Resource Location Protocol | |
| RTELNET | Remote Telnet Service | |
| RVD | Remote Virtual Disk Protocol | |
| SAT-EXPAK | Satnet and Backroom EXPAK | |
| SAT-MON | SATNET Monitoring | |
| SEP | Sequential Exchange Protocol | |
| SFTP | Simple File Transfer Protocol | |
| SGMP | Simple Gateway Monitoring Protocol | |
| SNMP | Simple Network Management Protocol | |
| SMI | Structure of Management Information | |
| SMTP | Simple Mail Transfer Protocol | |
| SQLSRV | SQL Service | |
| STP | Stream Protocol | |
| STATSRV | Statistics Service | |
| STUN-BEHAVIOR | STUN Behavior Discovery over UDP or TCP | [RFC5780] |
| STUN-BEHAVIORS | STUN Behavior Discovery over TLS | [RFC5780] |
| SU-MIT-TG | SU/MIT Telnet Gateway Protocol | |
| SUN-RPC | SUN Remote Procedure Call | |
| SUPDUP | SUPDUP Protocol | |
| SUR-MEAS | Survey Measurement | |
| SWIFT-RVF | Remote Virtual File Protocol | |
| TACACS-DS | TACACS-Database Service | |
| TACNEWS | TAC News | |
| TCP | Transmission Control Protocol | |
| TCP-ACO | TCP Alternate Checksum Option | |
| TELNET | Telnet Protocol | |
| TFTP | Trivial File Transfer Protocol | |
| THINWIRE | Thinwire Protocol | |
| TIME | Time Server Protocol | |
| TP-TCP | ISO Transport Service on top of the TCP | |
| TRUNK-1 | Trunk-1 Protocol | |
| TRUNK-2 | Trunk-2 Protocol | |
| TURN | TURN over UDP or TCP | [RFC5766] |
| TURNS | TURN over TLS | [RFC5766] |
| UCL | University College London Protocol | |
| UDP | User Datagram Protocol | |
| USERS | Active Users Protocol | |
| UUCP-PATH | UUCP Path Service | |
| VIA-FTP | VIA Systems-File Transfer Protocol | |
| VISA | VISA Protocol | |
| VMTP | Versatile Message Transaction Protocol | |
| WB-EXPAK | Wideband EXPAK | |
| WB-MON | Wideband Monitoring | |
| XNET | Cross Net Debugger | |
| XNS-IDP | Xerox NS IDP |