2010-06-25 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 and will be combined into the port number registry per 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. 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 MAIL Format of Electronic Mail Messages MERIT-INP MERIT Internodal Protocol METAGRAM Metagram Relay MIB Management Information Base MIHCS MIH Command Services MIHES MIH Event Services MIHIS MIH Information Services 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 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 STUN-BEHAVIORS STUN Behavior Discovery over TLS 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 TURNS TURN over TLS 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