| Standards Ordered by STD | Standards Ordered by RFC |
| Draft Standards | |
| Proposed Standards | |
| Experimental | |
| Historic | |
| Best Current Practice by BCP | Best Current Practice by RFC |
| < Standards Ordered by STD > Back to Top | |||
| Mnemonic | Title | RFC# | STD# |
| --------- | Internet Official Protocol Standards | 3000 | 1* |
| -------- | [Reserved for Assigned Numbers. See RFC 1700 and RFC 3232.] | 2 | |
| -------- | Requirements for Internet Hosts - Communication Layers | 1122 | 3 |
| -------- | Requirements for Internet Hosts - Application and Support | 1123 | 3 |
| -------- | [Reserved for Router Requirements. See RFC 1812. Updated by RFC 2644.] | 4 | |
| IP | Internet Protocol | 791 | 5 |
| ICMP | Internet Control Message Protocol | 792 | 5 |
| --------- | Broadcasting Internet Datagrams | 919 | 5 |
| --------- | Broadcasting Internet datagrams in the presence of subnets | 922 | 5 |
| -------- | Internet Standard Subnetting Procedure | 950 | 5 |
| IGMP | Host extensions for IP multicasting | 1112 | 5 |
| UDP | User Datagram Protocol | 768 | 6 |
| TCP | Transmission Control Protocol | 793 | 7 |
| TELNET | Telnet Protocol Specification | 854 | 8 |
| TELNET | Telnet Option Specifications | 855 | 8 |
| FTP | File Transfer Protocol | 959 | 9 |
| SMTP | Simple Mail Transfer Protocol | 821 | 10 |
| SMTP-SIZE | SMTP Service Extension for Message Size Declaration | 1870 | 10 |
| Standard for the format of ARPA Internet text messages | 822 | 11 | |
| -------- | [Reserved for Network Time Protocol (NTP). See RFC 1305.] | 12 | DOMAIN | Domain names - concepts and facilities | 1034 | 13 |
| DOMAIN | Domain names - implementation and specification | 1035 | 13 |
| -------- | [Was Mail Routing and the Domain System. Now Historic.] | 14 | SNMP | Simple Network Management Protocol (SNMP) | 1157 | 15 |
| SMI | Structure and identification of management information for TCP/IP-based int ernets | 1155 | 16 |
| Concise-MI | Concise MIB definitions | 1212 | 16 |
| MIB-II | Management Information Base for Network Management of TCP/IP-based internet s:MIB-II | 1213 | 17 |
| -------- | [Was Exterior Gateway Protocol (RFC 904). Now Historic.] | 18 | NETBIOS | Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts an d methods | 1001 | 19 |
| NETBIOS | Protocol standard for a NetBIOS service on a TCP/UDP transport: Detailed sp ecifications | 1002 | 19 |
| ECHO | Echo Protocol | 862 | 20 |
| DISCARD | Discard Protocol | 863 | 21 |
| CHARGEN | Character Generator Protocol | 864 | 22 |
| QUOTE | Quote of the Day Protocol | 865 | 23 |
| USERS | Active users | 866 | 24 |
| DAYTIME | Daytime Protocol | 867 | 25 |
| TIME | Time Protocol | 868 | 26 |
| TOPT-BIN | Telnet Binary Transmission | 856 | 27 |
| TOPT-ECHO | Telnet Echo Option | 857 | 28 |
| TOPT-SUPP | Telnet Suppress Go Ahead Option | 858 | 29 |
| TOPT-STAT | Telnet Status Option | 859 | 30 |
| TOPT-TIM | Telnet Timing Mark Option | 860 | 31 |
| TOPT-EXTOP | Telnet Extended Options: List Option | 861 | 32 |
| TFTP | The TFTP Protocol (Revision 2) | 1350 | 33 |
| -------- | [Was Routing Information Protocol (RIP). Replaced by STD 56.] | 34 | TP-TCP | ISO transport services on top of the TCP: Version 3 | 1006 | 35 |
| IP-FDDI | Transmission of IP and ARP over FDDI Networks | 1390 | 36 |
| ARP | Ethernet Address Resolution Protocol: Or converting network protocol addres ses to 48.bit Ethernet address for transmission on Ethernet hardware | 826 | 37 |
| RARP | Reverse Address Resolution Protocol | 903 | 38 |
| IP-ARPA | [Was BBN Report 1822 (IMP/Host Interface). Now Historic.] | 39 | IP-WB | Host Access Protocol specification | 907 | 40 |
| IP-E | Standard for the transmission of IP datagrams over Ethernet networks | 894 | 41 |
| IP-EE | Standard for the transmission of IP datagrams over experimental Ethernet ne tworks | 895 | 42 |
| IP-IEEE | Standard for the transmission of IP datagrams over IEEE 802 networks | 1042 | 43 |
| IP-DC | DCN local-network protocols | 891 | 44 |
| IP-HC | Internet Protocol on Network System's HYPERchannel: Protocol specification | 1044 | 45 |
| IP-ARC | Transmitting IP traffic over ARCNET networks | 1201 | 46 |
| IP-SLIP | Nonstandard for transmission of IP datagrams over serial lines: SLIP | 1055 | 47 |
| IP-NETBIOS | Standard for the transmission of IP datagrams over NetBIOS networks | 1088 | 48 |
| IP-IPX | Standard for the transmission of 802.2 packets over IPX networks | 1132 | 49 |
| ETHER-MIB | Definitions of Managed Objects for the Ethernet-like Interface Types | 1643 | 50 |
| PPP | The Point-to-Point Protocol (PPP) | 1661 | 51 |
| PPP-HDLC | PPP in HDLC-like Framing | 1662 | 51 |
| IP-SMDS | Transmission of IP datagrams over the SMDS Service | 1209 | 52 |
| POP3 | Post Office Protocol - Version 3 | 1939 | 53 |
| OSPF2 | OSPF Version 2 | 2328 | 54 |
| IP-FR | Multiprotocol Interconnect over Frame Relay | 2427 | 55 |
| RIP2 | RIP Version 2 | 2453 | 56 |
| RIP2-APP | RIP Version 2 Protocol Applicability Statement | 1722 | 57 |
| SMIv2 | Structure of Management Information Version 2 (SMIv2) | 2578 | 58 |
| CONV-MIB | Textual Conventions for SMIv2 | 2579 | 58 |
| CONF-MIB | Conformance Statements for SMIv2 | 2580 | 58 |
| RMON-MIB | Remote Network Monitoring Management Information Base | 2819 | 59 |
| SMTP-Pipe | SMTP Service Extension for Command Pipelining | 2920 | 60 |
| ONE-PASS | A One-Time Password System | 2289 | 61 |
| < Standards Ordered by RFC > Back to Top | |||
| Mnemonic | Title | STD# | RFC# |
| --------- | Internet Official Protocol Standards | 1* | 3000* |
| SMTP-Pipe | SMTP Service Extension for Command Pipelining | 60 | 2920 |
| RMON-MIB | Remote Network Monitoring Management Information Base | 59 | 2819 |
| CONF-MIB | Conformance Statements for SMIv2 | 58 | 2580 |
| CONV-MIB | Textual Conventions for SMIv2 | 58 | 2579 |
| SMIv2 | Structure of Management Information Version 2 (SMIv2) | 58 | 2578 |
| RIP2 | RIP Version 2 | 56 | 2453 |
| IP-FR | Multiprotocol Interconnect over Frame Relay | 55 | 2427 |
| OSPF2 | OSPF Version 2 | 54 | 2328 |
| ONE-PASS | A One-Time Password System | 61 | 2289 |
| POP3 | Post Office Protocol - Version 3 | 53 | 1939 |
| SMTP-SIZE | SMTP Service Extension for Message Size Declaration | 10 | 1870 |
| RIP2-APP | RIP Version 2 Protocol Applicability Statement | 57 | 1722 |
| PPP-HDLC | PPP in HDLC-like Framing | 51 | 1662 |
| PPP | The Point-to-Point Protocol (PPP) | 51 | 1661 |
| ETHER-MIB | Definitions of Managed Objects for the Ethernet-like Interface Types | 50 | 1643 |
| IP-FDDI | Transmission of IP and ARP over FDDI Networks | 36 | 1390 |
| TFTP | The TFTP Protocol (Revision 2) | 33 | 1350 |
| MIB-II | Management Information Base for Network Management of TCP/IP-based internet s:MIB-II | 17 | 1213 |
| Concise-MI | Concise MIB definitions | 16 | 1212 |
| IP-SMDS | Transmission of IP datagrams over the SMDS Service | 52 | 1209 |
| IP-ARC | Transmitting IP traffic over ARCNET networks | 46 | 1201 |
| SNMP | Simple Network Management Protocol (SNMP) | 15 | 1157 |
| SMI | Structure and identification of management information for TCP/IP-based int ernets | 16 | 1155 |
| IP-IPX | Standard for the transmission of 802.2 packets over IPX networks | 49 | 1132 |
| -------- | Requirements for Internet Hosts - Application and Support | 3 | 1123 |
| -------- | Requirements for Internet Hosts - Communication Layers | 3 | 1122 |
| IGMP | Host extensions for IP multicasting | 5 | 1112 |
| IP-NETBIOS | Standard for the transmission of IP datagrams over NetBIOS networks | 48 | 1088 |
| IP-SLIP | Nonstandard for transmission of IP datagrams over serial lines: SLIP | 47 | 1055 |
| IP-HC | Internet Protocol on Network System's HYPERchannel: Protocol specification | 45 | 1044 |
| IP-IEEE | Standard for the transmission of IP datagrams over IEEE 802 networks | 43 | 1042 |
| DOMAIN | Domain names - implementation and specification | 13 | 1035 |
| DOMAIN | Domain names - concepts and facilities | 13 | 1034 |
| TP-TCP | ISO transport services on top of the TCP: Version 3 | 35 | 1006 |
| NETBIOS | Protocol standard for a NetBIOS service on a TCP/UDP transport: Detailed sp ecifications | 19 | 1002 |
| NETBIOS | Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts an d methods | 19 | 1001 |
| FTP | File Transfer Protocol | 9 | 959 |
| -------- | Internet Standard Subnetting Procedure | 5 | 950 |
| --------- | Broadcasting Internet datagrams in the presence of subnets | 5 | 922 |
| --------- | Broadcasting Internet Datagrams | 5 | 919 |
| IP-WB | Host Access Protocol specification | 40 | 907 |
| RARP | Reverse Address Resolution Protocol | 38 | 903 |
| IP-EE | Standard for the transmission of IP datagrams over experimental Ethernet ne tworks | 42 | 895 |
| IP-E | Standard for the transmission of IP datagrams over Ethernet networks | 41 | 894 |
| IP-DC | DCN local-network protocols | 44 | 891 |
| TIME | Time Protocol | 26 | 868 |
| DAYTIME | Daytime Protocol | 25 | 867 |
| USERS | Active users | 24 | 866 |
| QUOTE | Quote of the Day Protocol | 23 | 865 |
| CHARGEN | Character Generator Protocol | 22 | 864 |
| DISCARD | Discard Protocol | 21 | 863 |
| ECHO | Echo Protocol | 20 | 862 |
| TOPT-EXTOP | Telnet Extended Options: List Option | 32 | 861 |
| TOPT-TIM | Telnet Timing Mark Option | 31 | 860 |
| TOPT-STAT | Telnet Status Option | 30 | 859 |
| TOPT-SUPP | Telnet Suppress Go Ahead Option | 29 | 858 |
| TOPT-ECHO | Telnet Echo Option | 28 | 857 |
| TOPT-BIN | Telnet Binary Transmission | 27 | 856 |
| TELNET | Telnet Option Specifications | 8 | 855 |
| TELNET | Telnet Protocol Specification | 8 | 854 |
| ARP | Ethernet Address Resolution Protocol: Or converting network protocol addres ses to 48.bit Ethernet address for transmission on Ethernet hardware | 37 | 826 |
| Standard for the format of ARPA Internet text messages | 11 | 822 | |
| SMTP | Simple Mail Transfer Protocol | 10 | 821 |
| TCP | Transmission Control Protocol | 7 | 793 |
| ICMP | Internet Control Message Protocol | 5 | 792 |
| IP | Internet Protocol | 5 | 791 |
| UDP | User Datagram Protocol | 6 | 768 |
| < Draft Standards > Back to Top | ||
| Mnemonic | Title | RFC# |
| -------- | (Extensible Markup Language) XML-Signature Syntax and Processing | 3275 |
| MINFAX-IM | Minimal FAX address format in Internet Mail | 3192 |
| MIN-PSTN | Minimal GSTN address format in Internet Mail | 3191 |
| RADIUS | Remote Authentication Dial In User Service (RADIUS) | 2865 |
| INTERGRMIB | The Interfaces Group MIB | 2863 |
| -------- | Host Resources MIB | 2790 |
| SNMP | Definitions of Managed Objects for Extensible SNMP Agents | 2742 |
| -------- | Agent Extensibility (AgentX) Protocol Version 1 | 2741 |
| -------- | HTTP Authentication: Basic and Digest Access Authentication | 2617 |
| HTTP | Hypertext Transfer Protocol -- HTTP/1.1 | 2616 |
| VACM-SNMP | View-based Access Control Model (VACM) for the Simple Network Management Prot ocol (SNMP) |
2575 |
| USM-SNMPV3 | User-based Security Model (USM) for version 3 of the Simple Network Managemen t Protocol (SNMPv3) |
2574 |
| SNMP-APP | SNMP Applications | 2573 |
| MPD-SNMP | Message Processing and Dispatching for the Simple Network Management Protocol (SNMP) |
2572 |
| ARCH-SNMP | An Architecture for Describing SNMP Management Frameworks | 2571 |
| ICMPv6 | Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification |
2463 |
| IPV6-AUTO | IPv6 Stateless Address Autoconfiguration | 2462 |
| IPV6-ND | Neighbor Discovery for IP Version 6 (IPv6) | 2461 |
| IPV6 | Internet Protocol, Version 6 (IPv6) Specification | 2460 |
| URI-GEN | Uniform Resource Identifiers (URI): Generic Syntax | 2396 |
| IARP | Inverse Address Resolution Protocol | 2390 |
| TN3270E | TN3270 Enhancements | 2355 |
| TFTP-Opt | TFTP Timeout Interval and Transfer Size Options | 2349 |
| TFTP-Blk | TFTP Blocksize Option | 2348 |
| TFTP-Ext | TFTP Option Extension | 2347 |
| UTF-8 | UTF-8, a transformation format of ISO 10646 | 2279 |
| DHCP-BOOTP | DHCP Options and BOOTP Vendor Extensions | 2132 |
| DHCP | Dynamic Host Configuration Protocol | 2131 |
| FRAME-MIB | Management Information Base for Frame Relay DTEs Using SMIv2 | 2115 |
| IP-HIPPI | IP over HIPPI | 2067 |
| MIME-CONF | Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples |
2049 |
| MIME-MSG | MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Exten sions for Non-ASCII Text |
2047 |
| MIME-MEDIA | Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types | 2046 |
| MIME | Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Mes sage Bodies |
2045 |
| PPP-CHAP | PPP Challenge Handshake Authentication Protocol (CHAP) | 1994 |
| PPP-MP | The PPP Multilink Protocol (MP) | 1990 |
| PPP-LINK | PPP Link Quality Monitoring | 1989 |
| SNMPv2-MIB | Management Information Base for Version 2 of the Simple Network Management Pr otocol (SNMPv2) |
1907 |
| TRANS-MIB | Transport Mappings for Version 2 of the Simple Network Management Protocol (S NMPv2) |
1906 |
| OPS-MIB | Protocol Operations for Version 2 of the Simple Network Management Protocol ( SNMPv2) |
1905 |
| CON-MD5 | The Content-MD5 Header Field | 1864 |
| OSPF-MIB | OSPF Version 2 Management Information Base | 1850 |
| XDR | XDR: External Data Representation Standard | 1832 |
| -------- | The String Representation of Standard Attribute Syntaxes | 1778 |
| -------- | Lightweight Directory Access Protocol | 1777 |
| BGP-4-APP | Application of the Border Gateway Protocol in the Internet | 1772 |
| BGP-4 | A Border Gateway Protocol 4 (BGP-4) | 1771 |
| PPP-DNCP | The PPP DECnet Phase IV Control Protocol (DNCP) | 1762 |
| 802.5-MIB | IEEE 802.5 MIB using SMIv2 | 1748 |
| RIP2-MIB | RIP Version 2 MIB Extension | 1724 |
| SIP-MIB | Definitions of Managed Objects for SMDS Interfaces using SMIv2 | 1694 |
| -------- | Definitions of Managed Objects for Parallel-printer-like Hardware Devices usi ng SMIv2 |
1660 |
| -------- | Definitions of Managed Objects for RS-232-like Hardware Devices using SMIv2 | 1659 |
| -------- | Definitions of Managed Objects for Character Stream Devices using SMIv2 | 1658 |
| BGP-4-MIB | Definitions of Managed Objects for the Fourth Version of the Border Gateway P rotocol (BGP-4) using SMIv2 |
1657 |
| -------- | SMTP Service Extension for 8bit-MIMEtransport | 1652 |
| OSI-NSAP | Guidelines for OSI NSAP Allocation in the Internet | 1629 |
| ISO-TS-ECH | An Echo Function for CLNP (ISO 8473) | 1575 |
| DECNET-MIB | DECnet Phase IV MIB Extensions | 1559 |
| -------- | Clarifications and Extensions for the Bootstrap Protocol | 1542 |
| DHCP-BOOTP | Interoperation Between DHCP and BOOTP | 1534 |
| BRIDGE-MIB | Definitions of Managed Objects for Bridges | 1493 |
| IP-X.25 | Multiprotocol Interconnect on X.25 and ISDN in the Packet Mode | 1356 |
| NTPV3 | Network Time Protocol (Version 3) Specification, Implementation | 1305 |
| FINGER | The Finger User Information Protocol | 1288 |
| IP-MTU | Path MTU discovery | 1191 |
| -------- | Proposed Standard for the Transmission of IP Datagrams over FDDI Networks | 1188 |
| TOPT-LINE | Telnet Linemode Option | 1184 |
| NICNAME | NICNAME/WHOIS | 954 |
| BOOTP | Bootstrap Protocol | 951 |
| < Proposed Standards > Back to Top | ||
| Mnemonic | Title | RFC# |
| -------- | Versioning Extensions to WebDAV (Web Distributed Authoring and Versioning) | 3253* |
| -------- | An Expedited Forwarding PHB (Per-Hop Behavior) | 3246* |
| -------- | Definitions of Managed Objects for Scheduling Management Operations | 3231* |
| -------- | Instance Digests in HTTP | 3230* |
| -------- | Delta encoding in HTTP | 3229* |
| -------- | DNSSEC and IPv6 A6 aware server/resolver message size requirements | 3226* |
| -------- | Indicating Resolver Support of DNSSEC | 3225* |
| SLP | Vendor Extensions for Service Location Protocol, Version 2 | 3224* |
| MOBILEIPSU | IP Mobility Support for IPv4 | 3220* |
| -------- | Telephony Routing over IP (TRIP) | 3219* |
| -------- | LSP Modification Using CR-LDP | 3214* |
| -------- | Constraint-Based LSP Setup using LDP | 3212* |
| -------- | Password-based Encryption for CMS | 3211* |
| -------- | RSVP-TE: Extensions to RSVP for LSP Tunnels | 3209* |
| -------- | SMTP Service Extension for Secure SMTP over Transport Layer Security | 3207* |
| -------- | The SYS and AUTH POP Response Codes | 3206* |
| -------- | MIME media types for ISUP and QSIG Objects | 3204* |
| -------- | Definitions of Managed Objects for Frame Relay Service Level Definitions | 3202* |
| -------- | Definitions of Managed Objects for Circuit to Interface Translation | 3201* |
| -------- | Reliable Delivery for syslog | 3195* |
| -------- | Securing L2TP using IPsec | 3193* |
| -------- | RTP Payload Format for 12-bit DAT Audio and 20- and 24-bit Linear Sampled Au dio | 3190* |
| -------- | RTP Payload Format for DV (IEC 61834) Video | 3189* |
| -------- | Reuse of CMS Content Encryption Keys | 3185 |
| -------- | Identity Representation for RSVP | 3182* |
| -------- | Signaled Preemption Priority Policy Element | 3181* |
| -------- | Aggregation of RSVP for IPv4 and IPv6 Reservations | 3175 |
| IPCOMP | IP Payload Compression Protocol (IPComp) | 3173 |
| -------- | The Addition of Explicit Congestion Notification (ECN) to IP | 3168 |
| -------- | Definitions of Managed Objects for the Delegation of Management Scripts | 3165 |
| -------- | RADIUS and IPv6 | 3162 |
| TSA | Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP) | 3161 |
| PIB | Structure of Policy Provisioning Information (SPPI) | 3159 |
| MIME-PGP | MIME Security with OpenPGP | 3156 |
| -------- | PPP Multiplexing | 3153 |
| -------- | Transmission of IPv6 Packets over IEEE 1394 Networks | 3146 |
| -------- | L2TP Disconnect Cause Information | 3145 |
| -------- | Remote Monitoring MIB Extensions for Interface Parameters Monitoring | 3144 |
| -------- | Per Hop Behavior Identification Codes | 3140 |
| -------- | The Congestion Manager | 3124 |
| -------- | Extensions to IPv6 Neighbor Discovery for Inverse Discovery Specification | 3122 |
| -------- | A More Loss-Tolerant RTP Payload Format for MP3 Audio | 3119 |
| -------- | Authentication for DHCP Messages | 3118 |
| -------- | Mobile IP Vendor/Organization-Specific Extensions | 3115 |
| -------- | Service Location Protocol Modifications for IPv6 | 3111 |
| -------- | RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS) | 3110 |
| -------- | Conventions for the use of the Session Description Protocol (SDP) for ATM Be arer Connections | 3108 |
| SDP | Carrying Label Information in BGP-4 | 3107 |
| RSVP | RSVP Cryptographic Authentication -- Updated Message Type Value | 3097 |
| -------- | RObust Header Compression (ROHC): Framework and four profiles | 3095 |
| -------- | DNS Security Extension Clarification on Zone Status | 3090 |
| COPS-PR | COPS Usage for Policy Provisioning (COPS-PR) | 3084 |
| -------- | Mapping the BEEP Core onto TCP | 3081 |
| BEEP | The Blocks Extensible Exchange Protocol Core | 3080 |
| -------- | A Link-Layer Tunneling Mechanism for Unidirectional Links | 3077 |
| -------- | DHC Load Balancing Algorithm | 3074 |
| L2TP-FR | Layer Two Tunneling Protocol (L2TP) over Frame Relay | 3070 |
| -------- | An Anycast Prefix for 6to4 Relay Routers | 3068 |
| BGP-ASC | Autonomous System Confederations for BGP | 3065 |
| -------- | LDAP Password Modify Extended Operation | 3062 |
| CIM | Policy Core Information Model -- Version 1 Specification | 3060 |
| SLPv2 | Attribute List Extension for the Service Location Protocol | 3059 |
| -------- | ISDN Q.921-User Adaptation Layer | 3057 |
| -------- | Connection of IPv6 Domains via IPv4 Clouds | 3056 |
| -------- | Management Information Base for the PINT Services Architecture | 3055 |
| -------- | TN3270E Service Location and Session Balancing | 3049 |
| -------- | RTP Payload Format for ITU-T Recommendation G.722.1 | 3047 |
| -------- | DHCP Relay Agent Information Option | 3046 |
| -------- | Enhancing TCP's Loss Recovery Using Limited Transmit | 3042 |
| -------- | Privacy Extensions for Stateless Address Autoconfiguration in IPv6 | 3041 |
| -------- | Internet X.509 Public Key Infrastructure Qualified Certificates Profile | 3039 |
| -------- | VCID Notification over ATM link for LDP | 3038 |
| -------- | LDP Specification | 3036 |
| -------- | MPLS using LDP and ATM VC Switching | 3035 |
| -------- | Use of Label Switching on Frame Relay Networks Specification | 3034 |
| -------- | The Assignment of the Information Field and Protocol Identifier in the Q.294 1 Generic Identifier and Q.2957 User-to-user Signaling for the Internet Proto col | 3033 |
| -------- | MPLS Label Stack Encoding | 3032 |
| MPLS | Multiprotocol Label Switching Architecture | 3031 |
| -------- | SMTP Service Extensions for Transmission of Large and Binary MIME Messages | 3030 |
| -------- | Sieve: A Mail Filtering Language | 3028 |
| -------- | Reverse Tunneling for Mobile IP, revised | 3024 |
| -------- | XML Media Types | 3023 |
| -------- | Using 31-Bit Prefixes on IPv4 Point-to-Point Links | 3021 |
| -------- | Definitions of Managed Objects for Monitoring and Controlling the UNI/NNI Mu ltilink Frame Relay Function | 3020 |
| -------- | IP Version 6 Management Information Base for The Multicast Listener Discover y Protocol | 3019 |
| -------- | XML DTD for Roaming Access Phone Book | 3017 |
| -------- | RTP Payload Format for MPEG-4 Audio/Visual Streams | 3016 |
| MEGACO | Megaco Protocol Version 1.0 | 3015 |
| -------- | Notification Log MIB | 3014 |
| -------- | Mobile IPv4 Challenge/Response Extensions | 3012 |
| -------- | The IPv4 Subnet Selection Option for DHCP | 3011 |
| NFSv4 | NFS version 4 Protocol | 3010 |
| -------- | Registration of parityfec MIME types | 3009 |
| DNSSEC | Domain Name System Security (DNSSEC) Signing Authority | 3008 |
| -------- | Secure Domain Name System (DNS) Dynamic Update | 3007 |
| -------- | Integrated Services in the Presence of Compressible Flows | 3006 |
| -------- | The User Class Option for DHCP | 3004 |
| -------- | The audio/mpeg Media Type | 3003 |
| -------- | Specification of the Null Service Type | 2997 |
| -------- | Format of the RSVP DCLASS Object | 2996 |
| -------- | Computing TCP's Retransmission Timer | 2988 |
| -------- | Registration of Charset and Languages Media Features Tags | 2987 |
| -------- | Use of the CAST-128 Encryption Algorithm in CMS | 2984 |
| -------- | Distributed Management Expression MIB | 2982 |
| -------- | Event MIB | 2981 |
| -------- | The SIP INFO Method | 2976 |
| -------- | IMAP4 ID extension | 2971 |
| -------- | HTTP State Management Mechanism | 2965 |
| -------- | RSVP Refresh Overhead Reduction Extensions | 2961 |
| -------- | Stream Control Transmission Protocol | 2960 |
| -------- | Real-Time Transport Protocol Management Information Base | 2959 |
| -------- | Definitions of Managed Objects for Monitoring and Controlling the Frame Rela y/ATM PVC Service Interworking Function | 2955 |
| FR-MIB | Definitions of Managed Objects for Frame Relay Service | 2954 |
| -------- | Telnet Encryption: CAST-128 64 bit Cipher Feedback | 2950 |
| -------- | Telnet Encryption: CAST-128 64 bit Output Feedback | 2949 |
| -------- | Telnet Encryption: DES3 64 bit Output Feedback | 2948 |
| -------- | Telnet Encryption: DES3 64 bit Cipher Feedback | 2947 |
| -------- | Telnet Data Encryption Option | 2946 |
| -------- | The SRP Authentication and Key Exchange System | 2945 |
| -------- | Telnet Authentication: SRP | 2944 |
| -------- | TELNET Authentication Using DSA | 2943 |
| -------- | Telnet Authentication: Kerberos Version 5 | 2942 |
| TOPT-AUTH | Telnet Authentication Option | 2941 |
| -------- | Definitions of Managed Objects for Common Open Policy Service (COPS) Protoco l Clients | 2940 |
| -------- | Identifying Composite Media Features | 2938 |
| -------- | The Name Service Search Option for DHCP | 2937 |
| IOTP-HTTP | Internet Open Trading Protocol (IOTP) HTTP Supplement | 2935 |
| -------- | Internet Group Management Protocol MIB | 2933 |
| -------- | IPv4 Multicast Routing MIB | 2932 |
| -------- | DNS Request and Transaction Signatures ( SIG(0)s ) | 2931 |
| TKEY-RR | Secret Key Establishment for DNS (TKEY RR) | 2930 |
| -------- | Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Opera tions | 2925 |
| -------- | List-Id: A Structured Field and Namespace for the Identification of Mailing Lists | 2919 |
| -------- | Route Refresh Capability for BGP-4 | 2918 |
| -------- | E.164 number and DNS | 2916 |
| NAPTR | The Naming Authority Pointer (NAPTR) DNS Resource Record | 2915 |
| -------- | MIME Content Types in Media Feature Expressions | 2913 |
| -------- | Indicating Media Features for MIME Content | 2912 |
| IPP-M-S | Internet Printing Protocol/1.1: Model and Semantics | 2911 |
| IPP-E-T | Internet Printing Protocol/1.1: Encoding and Transport | 2910 |
| -------- | MADCAP Multicast Scope Nesting State Option | 2907 |
| RMON-MIB | Remote Network Monitoring MIB Protocol Identifier Reference | 2895 |
| -------- | Router Renumbering for IPv6 | 2894 |
| TRANS-IPV6 | Transition Mechanisms for IPv6 Hosts and Routers | 2893 |
| -------- | LDAP Control Extension for Server Side Sorting of Search Results | 2891 |
| -------- | Key and Sequence Number Extensions to GRE | 2890 |
| SACK | An Extension to the Selective Acknowledgement (SACK) Option for TCP | 2883 |
| -------- | Content Feature Schema for Internet Fax (V2) | 2879 |
| PPP-BCP | PPP Bridging Control Protocol (BCP) | 2878 |
| -------- | Diffie-Hellman Proof-of-Possession Algorithms | 2875 |
| -------- | DNS Extensions to Support IPv6 Address Aggregation and Renumbering | 2874 |
| -------- | TCP Processing of the IPv4 Precedence Field | 2873 |
| -------- | Application and Sub Application Identity Policy Element for Use with RSVP | 2872 |
| -------- | The Inverted Stack Table Extension to the Interfaces Group MIB | 2864 |
| -------- | RTP Payload Format for Real-Time Pointers | 2862 |
| MEXT-BGP4 | Multiprotocol Extensions for BGP-4 | 2858 |
| -------- | The Use of HMAC-RIPEMD-160-96 within ESP and AH | 2857 |
| -------- | Textual Conventions for Additional High Capacity Data Types | 2856 |
| -------- | DHCP for IEEE 1394 | 2855 |
| -------- | Generic Security Service API Version 2 : Java Bindings | 2853 |
| -------- | Deliver By SMTP Service Extension | 2852 |
| -------- | Textual Conventions for Internet Network Addresses | 2851 |
| LDIF | The LDAP Data Interchange Format (LDIF) - Technical Specification | 2849 |
| -------- | The PINT Service Protocol: Extensions to SIP and SDP for IP Access to Teleph one Call Services | 2848 |
| LIPKEY | LIPKEY - A Low Infrastructure Public Key Mechanism Using SPKM | 2847 |
| -------- | GSTN Address Element Extensions in E-mail Services | 2846 |
| TSIG | Secret Key Transaction Authentication for DNS (TSIG) | 2845 |
| -------- | Capabilities Advertisement with BGP-4 | 2842 |
| -------- | Definitions of Managed Objects for the Fabric Element in Fibre Channel Stand ard | 2837 |
| GSN | IP and ARP over HIPPI-6400 (GSN) | 2835 |
| -------- | ARP and IP Broadcast over HIPPI-800 | 2834 |
| -------- | RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals | 2833 |
| -------- | Using Digest Authentication as a SASL Mechanism | 2831 |
| LDAP | Lightweight Directory Access Protocol (v3): Extension for Transport Layer Se curity | 2830 |
| -------- | Authentication Methods for LDAP | 2829 |
| Internet Message Format | 2822* | |
| SMTP | Simple Mail Transfer Protocol | 2821* |
| -------- | Integrated Service Mappings on IEEE 802 Networks | 2815 |
| -------- | SBM (Subnet Bandwidth Manager): A Protocol for RSVP-based Admission Control over IEEE 802-style networks | 2814 |
| -------- | URLs for Telephone Calls | 2806 |
| -------- | Certificate Management Messages over CMS | 2797 |
| -------- | BGP Route Reflection - An Alternative to Full Mesh IBGP | 2796 |
| -------- | Mobile IP Network Access Identifier Extension for IPv4 | 2794 |
| -------- | RTP Payload for Text Conversation | 2793 |
| -------- | Mail Monitoring MIB | 2789 |
| -------- | Network Services Monitoring MIB | 2788 |
| -------- | Definitions of Managed Objects for the Virtual Router Redundancy Protocol | 2787 |
| GRE | Generic Routing Encapsulation (GRE) | 2784 |
| DNS-SRV | A DNS RR for specifying the location of services (DNS SRV) | 2782 |
| MZAP | Multicast-Scope Zone Announcement Protocol (MZAP) | 2776 |
| RPSL | Routing Policy System Replication | 2769 |
| NAT-PT | Network Address Translation - Protocol Translation (NAT-PT) | 2766 |
| SIIT | Stateless IP/ICMP Translation Algorithm (SIIT) | 2765 |
| -------- | RSVP Extensions for Policy Control | 2750 |
| -------- | COPS usage for RSVP | 2749 |
| COPS | The COPS (Common Open Policy Service) Protocol | 2748 |
| -------- | RSVP Cryptographic Authentication | 2747 |
| -------- | RSVP Operation Over IP Tunnels | 2746 |
| -------- | RSVP Diagnostic Messages | 2745 |
| -------- | Generic Security Service API Version 2 : C-bindings | 2744 |
| -------- | Generic Security Service Application Program Interface Version 2, Update 1 | 2743 |
| -------- | OSPF for IPv6 | 2740 |
| -------- | Calendar Attributes for vCard and LDAP | 2739 |
| -------- | Corrections to "A Syntax for Describing Media Feature Sets" | 2738 |
| -------- | Entity MIB (Version 2) | 2737 |
| -------- | NHRP Support for Virtual Private Networks | 2735 |
| -------- | IPv4 over IEEE 1394 | 2734 |
| -------- | An RTP Payload Format for Generic Forward Error Correction | 2733 |
| -------- | Format for Literal IPv6 Addresses in URL's | 2732 |
| MADCAP | Multicast Address Dynamic Client Allocation Protocol (MADCAP) | 2730 |
| -------- | The Transmission of IP Over the Vertical Blanking Interval of a Television S ignal | 2728 |
| -------- | PGP Authentication for RIPE Database Updates | 2726 |
| -------- | Routing Policy System Security | 2725 |
| -------- | Traffic Flow Measurement: Meter MIB | 2720 |
| TLS | Addition of Kerberos Cipher Suites to Transport Layer Security (TLS) | 2712 |
| -------- | IPv6 Router Alert Option | 2711 |
| MLD-IPv6 | Multicast Listener Discovery (MLD) for IPv6 | 2710 |
| -------- | Integrated Services Mappings for Low Speed Networks | 2688 |
| -------- | PPP in a Real-time Oriented HDLC-like Framing | 2687 |
| -------- | The Multi-Class Extension to Multi-Link PPP | 2686 |
| VPNI | Virtual Private Networks Identifier | 2685 |
| -------- | Multiprotocol Encapsulation over ATM Adaptation Layer 5 | 2684 |
| -------- | A Round-trip Delay Metric for IPPM | 2681 |
| -------- | A One-way Packet Loss Metric for IPPM | 2680 |
| -------- | A One-way Delay Metric for IPPM | 2679 |
| IPPM-MET | IPPM Metrics for Measuring Connectivity | 2678 |
| NHRP-MIB | Definitions of Managed Objects for the NBMA Next Hop Resolution Protocol (NH RP) | 2677 |
| -------- | IPv6 Jumbograms | 2675 |
| -------- | Definitions of Managed Objects for Bridges with Traffic Classes, Multicast F iltering and Virtual LAN Extensions | 2674 |
| DNS | Binary Labels in the Domain Name System | 2673 |
| -------- | Non-Terminal DNS Name Redirection | 2672 |
| EDNS0 | Extension Mechanisms for DNS (EDNS0) | 2671 |
| -------- | Radio Frequency (RF) Interface Management Information Base for MCNS/DOCSIS c ompliant RF interfaces | 2670 |
| -------- | DOCSIS Cable Device MIB Cable Device Management Information Base for DOCSIS compliant Cable Modems and Cable Modem Termination Systems | 2669 |
| MAU-MIB | Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs) | 2668 |
| -------- | IP Tunnel MIB | 2667 |
| -------- | Definitions of Managed Objects for the Ethernet-like Interface Types | 2665 |
| -------- | Definitions of Managed Objects for the ADSL Lines | 2662 |
| L2TP | Layer Two Tunneling Protocol "L2TP" | 2661 |
| -------- | RTP Payload Format for PureVoice(tm) Audio | 2658 |
| -------- | CIP Transport Protocols | 2653 |
| -------- | MIME Object Definitions for the Common Indexing Protocol (CIP) | 2652 |
| CIP | The Architecture of the Common Indexing Protocol (CIP) | 2651 |
| -------- | The Text/Plain Format Parameter | 2646 |
| ODMR-SMTP | ON-DEMAND MAIL RELAY (ODMR) SMTP with Dynamic IP Addresses | 2645 |
| -------- | Internationalization of the File Transfer Protocol | 2640 |
| -------- | Enhanced Security Services for S/MIME | 2634 |
| -------- | S/MIME Version 3 Message Specification | 2633 |
| -------- | S/MIME Version 3 Certificate Handling | 2632 |
| -------- | Diffie-Hellman Key Agreement Method | 2631 |
| -------- | Cryptographic Message Syntax | 2630 |
| -------- | IP and ARP over Fibre Channel | 2625 |
| -------- | NFS Version 2 and Version 3 Security Issues and the NFS Protocol's Use of RP CSEC_GSS and Kerberos V5 | 2623 |
| RPSL | Routing Policy Specification Language (RPSL) | 2622 |
| -------- | RADIUS Authentication Server MIB | 2619 |
| -------- | RADIUS Authentication Client MIB | 2618 |
| -------- | PPP over SONET/SDH | 2615 |
| -------- | Remote Network Monitoring MIB Extensions for Switched Networks Version 1.0 | 2613 |
| -------- | DHCP Options for Service Location Protocol | 2610 |
| -------- | Service Templates and Service: Schemes | 2609 |
| -------- | Directory Server Monitoring MIB | 2605 |
| -------- | ILMI-Based Server Discovery for NHRP | 2603 |
| -------- | ILMI-Based Server Discovery for MARS | 2602 |
| -------- | ILMI-Based Server Discovery for ATMARP | 2601 |
| -------- | An Expedited Forwarding PHB | 2598 |
| -------- | Assured Forwarding PHB Group | 2597 |
| -------- | Use of Language Codes in LDAP | 2596 |
| -------- | Using TLS with IMAP, POP3 and ACAP | 2595 |
| -------- | Definitions of Managed Objects for WWW Services | 2594 |
| -------- | Transmission of IPv6 Packets over Frame Relay Networks Specification | 2590 |
| LDAPv3 | Lightweight Directory Access Protocol (v3): Extensions for Dynamic Directory Services | 2589 |
| -------- | Internet X.509 Public Key Infrastructure LDAPv2 Schema | 2587 |
| -------- | Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTP | 2585 |
| -------- | Definitions of Managed Objects for APPN/HPR in IP Networks | 2584 |
| TCP-CC | TCP Congestion Control | 2581 |
| SNMP | Coexistence between Version 1, Version 2, and Version 3 of the Internet-stan dard Network Management Framework | 2576 |
| APP-MIB | Application Management MIB | 2564 |
| -------- | DHCP Option to Disable Stateless Auto-Configuration in IPv4 Clients | 2563 |
| TN2370E-RT | Definitions of Protocol and Managed Objects for TN3270E Response Time Collec tion Using SMIv2 (TN3270E-RT-MIB) | 2562 |
| -------- | Base Definitions of Managed Objects for TN3270E Using SMIv2 | 2561 |
| PKIX | X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP | 2560 |
| -------- | Internet X.509 Public Key Infrastructure Operational Protocols - LDAPv2 | 2559 |
| -------- | Definitions of Managed Objects for the SONET/SDH Interface Type | 2558 |
| MHTML | MIME Encapsulation of Aggregate Documents, such as HTML (MHTML) | 2557 |
| -------- | SMTP Service Extension for Authentication | 2554 |
| -------- | Use of BGP-4 Multiprotocol Extensions for IPv6 Inter-Domain Routing | 2545 |
| SIP | SIP: Session Initiation Protocol | 2543 |
| DHK-DNS | Storage of Diffie-Hellman Keys in the Domain Name System (DNS) | 2539 |
| SC-DNS | Storing Certificates in the Domain Name System (DNS) | 2538 |
| -------- | DSA KEYs and SIGs in the Domain Name System (DNS) | 2536 |
| DNS-SECEXT | Domain Name System Security Extensions | 2535 |
| -------- | Media Features for Display, Print, and Fax | 2534 |
| -------- | A Syntax for Describing Media Feature Sets | 2533 |
| -------- | Extended Facsimile Using Internet Mail | 2532 |
| -------- | Indicating Supported Media Features Using Extensions to DSN and MDN | 2530 |
| -------- | Transmission of IPv6 over IPv4 Domains without Explicit Tunnels | 2529 |
| -------- | Reserved IPv6 Subnet Anycast Addresses | 2526 |
| WEBDAV | HTTP Extensions for Distributed Authoring -- WEBDAV | 2518 |
| ATM-MIBMAN | Definitions of Managed Objects for ATM Management | 2515 |
| ATM-TC-OID | Definitions of Textual Conventions and OBJECT-IDENTITIES for ATM Management | 2514 |
| -------- | Managed Objects for Controlling the Collection and Storage of Accounting Inf ormation for Connection-Oriented Networks | 2513 |
| -------- | Accounting Information for ATM Networks | 2512 |
| X.509-CRMF | Internet X.509 Certificate Request Message Format | 2511 |
| PKICMP | Internet X.509 Public Key Infrastructure Certificate Management Protocols | 2510 |
| IPCOM-PPP | IP Header Compression over PPP | 2509 |
| -------- | Compressing IP/UDP/RTP Headers for Low-Speed Serial Links | 2508 |
| -------- | IP Header Compression | 2507 |
| -------- | Transmission of IPv6 Packets over ARCnet Networks | 2497 |
| DS3-E3-MIB | Definitions of Managed Object for the DS3/E3 Interface Type | 2496 |
| -------- | Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface Types | 2495 |
| -------- | Definitions of Managed Objects for the DS0 and DS0 Bundle Interface Type | 2494 |
| -------- | Textual Conventions for MIB Modules Using Performance History Based on 15 Mi nute Intervals | 2493 |
| IPv6ATMNET | IPv6 over ATM Networks | 2492 |
| IPv6-NBMA | IPv6 over Non-Broadcast Multiple Access (NBMA) networks | 2491 |
| NAI | The Network Access Identifier | 2486 |
| -------- | DHCP Option for The Open Group's User Authentication Protocol | 2485 |
| -------- | PPP LCP Internationalization Configuration Option | 2484 |
| -------- | Gateways and MIME Security Multiparts | 2480 |
| -------- | The Simple and Protected GSS-API Negotiation Mechanism | 2478 |
| -------- | Message Submission | 2476 |
| -------- | Definition of the Differentiated Services Field (DS Field) in the IPv4 and I Pv6 Headers | 2474 |
| -------- | Generic Packet Tunneling in IPv6 Specification | 2473 |
| IPv6-PPP | IP Version 6 over PPP | 2472 |
| -------- | Transmission of IPv6 Packets over Token Ring Networks | 2470 |
| -------- | Transmission of IPv6 Packets over FDDI Networks | 2467 |
| ICMPv6-MIB | Management Information Base for IP Version 6: ICMPv6 Group | 2466 |
| -------- | Management Information Base for IP Version 6: Textual Conventions and Genera l Group | 2465 |
| -------- | Transmission of IPv6 Packets over Ethernet Networks | 2464 |
| -------- | Internet X.509 Public Key Infrastructure Certificate and CRL Profile | 2459 |
| EBN-MIB | Definitions of Managed Objects for Extended Border Node | 2457 |
| -------- | Definitions of Managed Objects for APPN TRAPS | 2456 |
| APPN-MIB | Definitions of Managed Objects for APPN | 2455 |
| -------- | IP Version 6 Management Information Base for the User Datagram Protocol | 2454 |
| -------- | IP Version 6 Management Information Base for the Transmission Control Protoc ol | 2452 |
| -------- | The ESP CBC-Mode Cipher Algorithms | 2451 |
| POP3-EXT | POP3 Extension Mechanism | 2449 |
| IMIP | iCalendar Message-Based Interoperability Protocol (iMIP) | 2447 |
| ITIP | iCalendar Transport-Independent Interoperability Protocol (iTIP) Scheduling Events, BusyTime, To-dos and Journal Entries | 2446 |
| ICALENDAR | Internet Calendaring and Scheduling Core Object Specification (iCalendar) | 2445 |
| OTP-SASL | The One-Time-Password SASL Mechanism | 2444 |
| -------- | OpenPGP Message Format | 2440 |
| -------- | BGP Route Flap Damping | 2439 |
| -------- | RTP Payload Format for JPEG-compressed Video | 2435 |
| -------- | RTP Payload Format for BT.656 Video Encoding | 2431 |
| -------- | RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+) | 2429 |
| -------- | FTP Extensions for IPv6 and NATs | 2428 |
| MIME-VCARD | vCard MIME Directory Profile | 2426 |
| TXT-DIR | A MIME Content-Type for Directory Information | 2425 |
| CONT-DUR | Content Duration MIME Header Definition | 2424 |
| MIME-VPIM | VPIM Voice Message MIME Sub-type Registration | 2423 |
| MIME-ADPCM | Toll Quality Voice - 32 kbit/s ADPCM MIME Sub-type Registration | 2422 |
| MIME-VP2 | Voice Profile for Internet Mail - version 2 | 2421 |
| 3DESE | The PPP Triple-DES Encryption Protocol (3DESE) | 2420 |
| DESE-bis | The PPP DES Encryption Protocol, Version 2 (DESE-bis) | 2419 |
| -------- | Definitions of Managed Objects for Multicast over UNI 3.0/3.1 based ATM Netw orks | 2417 |
| --------- | The NULL Encryption Algorithm and Its Use With IPsec | 2410 |
| IKE | The Internet Key Exchange (IKE) | 2409 |
| ISAKMP | Internet Security Association and Key Management Protocol (ISAKMP) | 2408 |
| ISAKMPSEC | The Internet IP Security Domain of Interpretation for ISAKMP | 2407 |
| ESP | IP Encapsulating Security Payload (ESP) | 2406 |
| ESPDES-CBC | The ESP DES-CBC Cipher Algorithm With Explicit IV | 2405 |
| -------- | The Use of HMAC-SHA-1-96 within ESP and AH | 2404 |
| -------- | The Use of HMAC-MD5-96 within ESP and AH | 2403 |
| IP-AUTH | IP Authentication Header | 2402 |
| IPSEC | Security Architecture for the Internet Protocol | 2401 |
| DATA-URL | The "data" URL scheme | 2397 |
| CIDMID-URL | Content-ID and Message-ID Uniform Resource Locators | 2392 |
| -------- | Feature negotiation mechanism for the File Transfer Protocol | 2389 |
| -------- | Returning Values from Forms: multipart/form-data | 2388 |
| MIME-RELAT | The MIME Multipart/Related Content-type | 2387 |
| -------- | Protection of BGP Sessions via the TCP MD5 Signature Option | 2385 |
| POP-URL | POP URL Scheme | 2384 |
| -------- | Interoperation of Controlled-Load Service and Guaranteed Service with ATM | 2381 |
| -------- | RSVP over ATM Implementation Requirements | 2380 |
| -------- | An IPv6 Aggregatable Global Unicast Address Format | 2374 |
| -------- | IP Version 6 Addressing Architecture | 2373 |
| TIPV3 | Transaction Internet Protocol Version 3.0 | 2371 |
| OSPF-LSA | The OSPF Opaque LSA Option | 2370 |
| -------- | The Use of URLs as Meta-Syntax for Core Mail List Commands and their Transpo rt through Message Header Fields | 2369 |
| URLMAILTO | The mailto URL scheme | 2368 |
| PPP-AAL | PPP Over AAL5 | 2364 |
| PPP-FUNI | PPP Over FUNI | 2363 |
| IMAP4UIDPL | IMAP4 UIDPLUS extension | 2359 |
| IMAP4NAME | IMAP4 Namespace | 2342 |
| VRRP | Virtual Router Redundancy Protocol | 2338 |
| NHRP-SCSP | A Distributed NHRP Service Using SCSP | 2335 |
| SCSP | Server Cache Synchronization Protocol (SCSP) | 2334 |
| -------- | NHRP Protocol Applicability Statement | 2333 |
| NHRP | NBMA Next Hop Resolution Protocol (NHRP) | 2332 |
| UNI-SIG | ATM Signalling Support for IP over ATM - UNI Signalling 4.0 Update | 2331 |
| SDP | SDP: Session Description Protocol | 2327 |
| RTSP | Real Time Streaming Protocol (RTSP) | 2326 |
| IPOA-MIB | Definitions of Managed Objects for Classical IP and ARP Over ATM Using SMIv2 (IPOA-MIB) | 2320 |
| DNS-NCACHE | Negative Caching of DNS Queries (DNS NCACHE) | 2308 |
| SMFAX-IM | A Simple Mode of Facsimile Using Internet Mail | 2305 |
| TIFF | Tag Image File Format (TIFF) - image/tiff MIME Sub-type Registration | 2302 |
| FFIF | File Format for Internet Fax | 2301 |
| EMF-MDN | An Extensible Message Format for Message Disposition Notifications | 2298 |
| OR-ADD | Representing the O/R Address hierarchy in the X.500 Directory Information Tr ee | 2294 |
| SUBTABLE | Representing Tables and Subtrees in the X.500 Directory | 2293 |
| -------- | Mobile-IPv4 Configuration Option for PPP IPCP | 2290 |
| SLM-APP | Definitions of System-Level Managed Objects for Applications | 2287 |
| PPP-EAP | PPP Extensible Authentication Protocol (EAP) | 2284 |
| -------- | Definitions of Managed Objects for IEEE 802.12 Repeater Devices | 2266 |
| -------- | A Summary of the X.500(96) User Schema for use with LDAPv3 | 2256 |
| LDAP-URL | The LDAP URL Format | 2255 |
| STR-LDAP | The String Representation of LDAP Search Filters | 2254 |
| LDAP3-UTF8 | Lightweight Directory Access Protocol (v3): UTF-8 String Representation of D istinguished Names | 2253 |
| LDAP3-ATD | Lightweight Directory Access Protocol (v3): Attribute Syntax Definitions | 2252 |
| LDAPV3 | Lightweight Directory Access Protocol (v3) | 2251 |
| RTP-MPEG | RTP Payload Format for MPEG1/MPEG2 Video | 2250 |
| --------- | Using Domains in LDAP/X.500 Distinguished Names | 2247 |
| -------- | The TLS Protocol Version 1.0 | 2246 |
| SASL-ANON | Anonymous SASL Mechanism | 2245 |
| ACAP | ACAP -- Application Configuration Access Protocol | 2244 |
| OTP-ER | OTP Extended Responses | 2243 |
| NETWAREIP | NetWare/IP Domain Name and Information | 2242 |
| DHCP-NDS | DHCP Options for Novell Directory Services | 2241 |
| HPR-MIB | Definitions of Managed Objects for HPR using SMIv2 | 2238 |
| IGMP | Internet Group Management Protocol, Version 2 | 2236 |
| ABNF | Augmented BNF for Syntax Specifications: ABNF | 2234 |
| DLUR-MIB | Definitions of Managed Objects for DLUR using SMIv2 | 2232 |
| MIME-EXT | MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations | 2231 |
| FTPSECEXT | FTP Security Extensions | 2228 |
| --------- | Simple Hit-Metering and Usage-Limiting for HTTP | 2227 |
| --------- | IP Broadcast over ATM Networks | 2226 |
| IP-ATM | Classical IP and ARP over ATM | 2225 |
| SASL | Simple Authentication and Security Layer (SASL) | 2222 |
| IMAP4LOGIN | IMAP4 Login Referrals | 2221 |
| --------- | A Common Schema for the Internet White Pages Service | 2218 |
| --------- | General Characterization Parameters for Integrated Service Network Elements | 2215 |
| --------- | Integrated Services Management Information Base Guaranteed Service Extension s using SMIv2 | 2214 |
| --------- | Integrated Services Management Information Base using SMIv2 | 2213 |
| GQOS | Specification of Guaranteed Quality of Service | 2212 |
| --------- | Specification of the Controlled-Load Network Element Service | 2211 |
| RSVP-IS | The Use of RSVP with IETF Integrated Services | 2210 |
| RSVP-IPSEC | RSVP Extensions for IPSEC Data Flows | 2207 |
| RSVP-MIB | RSVP Management Information Base using SMIv2 | 2206 |
| RSVP | Resource ReSerVation Protocol (RSVP) -- Version 1 Functional Specification | 2205 |
| RPCSEC-GSS | RPCSEC_GSS Protocol Specification | 2203 |
| RTP-RAD | RTP Payload for Redundant Audio Data | 2198 |
| IMAPPOPAU | IMAP/POP AUTHorize Extension for Simple Challenge/Response | 2195 |
| IMAP4MAIL | IMAP4 Mailbox Referrals | 2193 |
| IMAP-URL | IMAP URL Scheme | 2192 |
| --------- | RTP Payload Format for H.263 Video Streams | 2190 |
| --------- | Communicating Presentation Information in Internet Messages: The Content-Dis position Header Field | 2183 |
| DNS-CLAR | Clarifications to the DNS Specification | 2181 |
| IMAP4-IDLE | IMAP4 IDLE command | 2177 |
| SLP | Service Location Protocol | 2165 |
| --------- | Use of an X.500/LDAP directory to support MIXER address mapping | 2164 |
| DNS-MCGAM | Using the Internet DNS to Distribute MIXER Conformant Global Address Mapping (MCGAM) | 2163 |
| --------- | Carrying PostScript in X.400 and MIME | 2160 |
| --------- | A MIME Body Part for FAX | 2159 |
| --------- | X.400 Image Body Parts | 2158 |
| --------- | Mapping between X.400 and RFC-822/MIME Message Bodies | 2157 |
| MIXER | MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 82 2/MIME | 2156 |
| MAIL-SERV | Mailbox Names for Common Services, Roles and Functions | 2142 |
| URN-SYNTAX | URN Syntax | 2141 |
| DNS-UPDATE | Dynamic Updates in the Domain Name System (DNS UPDATE) | 2136 |
| DC-MIB | Dial Control Management Information Base using SMIv2 | 2128 |
| ISDN-MIB | ISDN Management Information Base using SMIv2 | 2127 |
| ITOT | ISO Transport Service on top of TCP (ITOT) | 2126 |
| BAP-BACP | The PPP Bandwidth Allocation Protocol (BAP) / The PPP Bandwidth Allocation C ontrol Protocol (BACP) | 2125 |
| VEMMI-URL | VEMMI URL Specification | 2122 |
| ROUT-ALERT | IP Router Alert Option | 2113 |
| 802.3-MIB | Definitions of Managed Objects for IEEE 802.3 Repeater Devices using SMIv2 | 2108 |
| PPP-NBFCP | The PPP NetBIOS Frames Control Protocol (NBFCP) | 2097 |
| TABLE-MIB | IP Forwarding Table MIB | 2096 |
| RIP-TRIG | Triggered Extensions to RIP to Support Demand Circuits | 2091 |
| IMAP4-LIT | IMAP4 non-synchronizing literals | 2088 |
| IMAP4-QUO | IMAP4 QUOTA extension | 2087 |
| IMAP4-ACL | IMAP4 ACL extension | 2086 |
| HMAC-MD5 | HMAC-MD5 IP Authentication with Replay Prevention | 2085 |
| RIP2-MD5 | RIP-2 MD5 Authentication | 2082 |
| RIPNG-IPV6 | RIPng for IPv6 | 2080 |
| URI-ATT | Definition of an X.500 Attribute Type and an Object Class to Hold Uniform Re source Identifiers (URIs) | 2079 |
| MIME-MODEL | The Model Primary Content Type for Multipurpose Internet Mail Extensions | 2077 |
| IMAPV4 | Internet Message Access Protocol - Version 4rev1 | 2060 |
| URLZ39.50 | Uniform Resource Locators for Z39.50 | 2056 |
| SNANAU-APP | Definitions of Managed Objects for APPC using SMIv2 | 2051 |
| PPP-SNACP | The PPP SNA Control Protocol (SNACP) | 2043 |
| SMTP-ENH | SMTP Service Extension for Returning Enhanced Error Codes | 2034 |
| RTP-H.261 | RTP Payload Format for H.261 Video Streams | 2032 |
| RTP-CELLB | RTP Payload Format of Sun's CellB Video Encoding | 2029 |
| SPKM | The Simple Public-Key GSS-API Mechanism (SPKM) | 2025 |
| DLSW-MIB | Definitions of Managed Objects for Data Link Switching using SMIv2 | 2024 |
| MULTI-UNI | Support for Multicast over UNI 3.0/3.1 based ATM Networks | 2022 |
| RMON-MIB | Remote Network Monitoring Management Information Base Version 2 using SMIv2 | 2021 |
| 802.12-MIB | IEEE 802.12 Interface MIB | 2020 |
| TCP-ACK | TCP Selective Acknowledgement Options | 2018 |
| URL-ACC | Definition of the URL MIME External-Body Access-Type | 2017 |
| MIME-PGP | MIME Security with Pretty Good Privacy (PGP) | 2015 |
| MIB-UDP | SNMPv2 Management Information Base for the User Datagram Protocol using SMIv 2 | 2013 |
| MIB-TCP | SNMPv2 Management Information Base for the Transmission Control Protocol usi ng SMIv2 | 2012 |
| MIB-IP | SNMPv2 Management Information Base for the Internet Protocol using SMIv2 | 2011 |
| MOBILEIPMI | The Definitions of Managed Objects for IP Mobility Support using SMIv2 | 2006 |
| -------- | Applicability Statement for IP Mobility Support | 2005 |
| MINI-IP | Minimal Encapsulation within IP | 2004 |
| IPENCAPIP | IP Encapsulation within IP | 2003 |
| BGP-COMM | BGP Communities Attribute | 1997 |
| DNS-NOTIFY | A Mechanism for Prompt Notification of Zone Changes (DNS NOTIFY) | 1996 |
| DNS-IZT | Incremental Zone Transfer in DNS | 1995 |
| SMTP-ETRN | SMTP Service Extension for Remote Message Queue Starting | 1985 |
| SNA | Serial Number Arithmetic | 1982 |
| MTU-IPV6 | Path MTU Discovery for IP version 6 | 1981 |
| PPP-FRAME | PPP in Frame Relay | 1973 |
| PPP-ECP | The PPP Encryption Control Protocol (ECP) | 1968 |
| GSSAPI-KER | The Kerberos Version 5 GSS-API Mechanism | 1964 |
| PPP-CCP | The PPP Compression Control Protocol (CCP) | 1962 |
| GSSAPI-SOC | GSS-API Authentication Method for SOCKS Version 5 | 1961 |
| AUTH-SOCKS | Username/Password Authentication for SOCKS V5 | 1929 |
| SOCKSV5 | SOCKS Protocol Version 5 | 1928 |
| WHOIS++M | How to Interact with a Whois++ Mesh | 1914 |
| WHOIS++A | Architecture of the Whois++ Index Service | 1913 |
| DSN | An Extensible Message Format for Delivery Status Notifications | 1894 |
| EMS-CODE | Enhanced Mail System Status Codes | 1893 |
| MIME-RPT | The Multipart/Report Content Type for the Reporting of Mail System Administr ative Messages | 1892 |
| SMTP-DSN | SMTP Service Extension for Delivery Status Notifications | 1891 |
| RTP-AV | RTP Profile for Audio and Video Conferences with Minimal Control | 1890 |
| RTP | RTP: A Transport Protocol for Real-Time Applications | 1889 |
| DNS-IPV6 | DNS Extensions to support IP version 6 | 1886 |
| MIME-Sec | MIME Object Security Services | 1848 |
| MIME-Encyp | Security Multiparts for MIME: Multipart/Signed and Multipart/Encrypted | 1847 |
| WHOIS++ | Architecture of the WHOIS++ service | 1835 |
| -------- | Binding Protocols for ONC RPC Version 2 | 1833 |
| RPC | RPC: Remote Procedure Call Protocol Specification Version 2 | 1831 |
| -------- | The ESP DES-CBC Transform | 1829 |
| -------- | IP Authentication using Keyed MD5 | 1828 |
| -------- | Requirements for IP Version 4 Routers | 1812 |
| URL | Relative Uniform Resource Locators | 1808 |
| CLDAP | Connection-less Lightweight X.500 Directory Access Protocol | 1798 |
| OSPF-DC | Extending OSPF to Support Demand Circuits | 1793 |
| OSI-Dir | Using the OSI Directory to Achieve User Friendly Naming | 1781 |
| MIME-EDI | MIME Encapsulation of EDI Objects | 1767 |
| XNSCP | The PPP XNS IDP Control Protocol (XNSCP) | 1764 |
| BVCP | The PPP Banyan Vines Control Protocol (BVCP) | 1763 |
| Print-MIB | Printer MIB | 1759 |
| ATM | ATM Signaling Support for IP over ATM | 1755 |
| IPNG | The Recommendation for the IP Next Generation Protocol | 1752 |
| 802.5-SSR | IEEE 802.5 Station Source Routing MIB using SMIv2 | 1749 |
| SDLCSMIv2 | Definitions of Managed Objects for SNA Data Link Control (SDLC) using SMIv2 | 1747 |
| AT-MIB | AppleTalk Management Information Base II | 1742 |
| MacMIME | MIME Encapsulation of Macintosh Files - MacMIME | 1740 |
| URL | Uniform Resource Locators (URL) | 1738 |
| POP3-AUTH | POP3 AUTHentication command | 1734 |
| IMAP4-AUTH | IMAP4 Authentication Mechanisms | 1731 |
| RDBMS-MIB | Relational Database Management System (RDBMS) Management Information Base (M IB) using SMIv2 | 1697 |
| MODEM-MIB | Modem Management Information Base (MIB) using SMIv2 | 1696 |
| TMUX | Transport Multiplexing Protocol (TMux) | 1692 |
| SNANAU-MIB | Definitions of Managed Objects for SNA NAUs using SMIv2 | 1666 |
| PPP-TRANS | PPP Reliable Transmission | 1663 |
| -------- | Postmaster Convention for X.400 Operations | 1648 |
| UPS-MIB | UPS Management Information Base | 1628 |
| PPP-ISDN | PPP over ISDN | 1618 |
| PPP-X25 | PPP in X.25 | 1598 |
| OSPF-NSSA | The OSPF NSSA Option | 1587 |
| OSPF-Multi | Multicast Extensions to OSPF | 1584 |
| RIP-DC | Extensions to RIP to Support Demand Circuits | 1582 |
| TOPT-ENVIR | Telnet Environment Option | 1572 |
| PPP-LCP | PPP LCP Extensions | 1570 |
| CIPX | Compressing IPX Headers Over WAN Media (CIPX) | 1553 |
| IPXCP | The PPP Internetworking Packet Exchange Control Protocol (IPXCP) | 1552 |
| SRB-MIB | Definitions of Managed Objects for Source Routing Bridges | 1525 |
| CIDR-STRA | Classless Inter-Domain Routing (CIDR): an Address Assignment and Aggregation Strategy | 1519 |
| CIDR-ARCH | An Architecture for IP Address Allocation with CIDR | 1518 |
| CIDR | Applicability Statement for the Implementation of Classless Inter-Domain Rou ting (CIDR) | 1517 |
| -------- | Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs) | 1515 |
| -------- | Token Ring Extensions to the Remote Network Monitoring MIB | 1513 |
| FDDI-MIB | FDDI Management Information Base | 1512 |
| KERBEROS | The Kerberos Network Authentication Service (V5) | 1510 |
| -------- | X.400 Use of Extended Character Sets | 1502 |
| HARPOON | Rules for downgrading messages from X.400/88 to X.400/84 when MIME content-t ypes are present in the messages | 1496 |
| Equiv | Equivalences between 1988 X.400 and RFC-822 Message Bodies | 1494 |
| IDPR | Inter-Domain Policy Routing Protocol Specification: Version 1 | 1479 |
| IDPR-ARCH | An Architecture for Inter-Domain Policy Routing | 1478 |
| PPP/Bridge | The Definitions of Managed Objects for the Bridge Network Control Protocol o f the Point-to-Point Protocol | 1474 |
| PPP/IPMIB | The Definitions of Managed Objects for the IP Network Control Protocol of th e Point-to-Point Protocol | 1473 |
| PPP/SECMIB | The Definitions of Managed Objects for the Security Protocols of the Point-t o-Point Protocol | 1472 |
| PPP/LCPMIB | The Definitions of Managed Objects for the Link Control Protocol of the Poin t-to-Point Protocol | 1471 |
| IP-TR-MC | IP Multicast over Token-Ring Local Area Networks | 1469 |
| X25-MIB | SNMP MIB extension for Multiprotocol Interconnect over X.25 | 1461 |
| SNMPv2 | Introduction to version 2 of the Internet-standard Network Management Framew ork | 1441 |
| PEM-KEY | Privacy Enhancement for Internet Electronic Mail: Part IV | 1424 |
| PEM-ALG | Privacy Enhancement for Internet Electronic Mail: Part III | 1423 |
| PEM-CKM | Privacy Enhancement for Internet Electronic Mail: Part II | 1422 |
| PEM-ENC | Privacy Enhancement for Internet Electronic Mail: Part I | 1421 |
| SNMP-IPX | SNMP over IPX | 1420 |
| SNMP-AT | SNMP over AppleTalk | 1419 |
| SNMP-OSI | SNMP over OSI | 1418 |
| FTP | FTP-FTAM Gateway Specification | 1415 |
| IDENT-MIB | Identification MIB | 1414 |
| IDENT | Identification Protocol | 1413 |
| --------- | Default Route Advertisement In BGP2 and BGP3 Version of The Border Gateway P rotocol | 1397 |
| SNMP-X.25 | SNMP MIB Extension for the X.25 Packet Layer | 1382 |
| SNMP-LAPB | SNMP MIB Extension for X.25 LAPB | 1381 |
| PPP-ATCP | The PPP AppleTalk Control Protocol (ATCP) | 1378 |
| PPP-OSINLC | The PPP OSI Network Layer Control Protocol (OSINLCP) | 1377 |
| TOPT-RFC | Telnet Remote Flow Control Option | 1372 |
| -------- | Applicability Statement for OSPF | 1370 |
| PPP-IPCP | The PPP Internet Protocol Control Protocol (IPCP) | 1332 |
| -------- | X.400 1988 to 1984 downgrading | 1328 |
| TCP-EXT | TCP Extensions for High Performance | 1323 |
| NETFAX | A File Format for the Exchange of Images in the Internet | 1314 |
| FDDI-MIB | FDDI Management Information Base | 1285 |
| -------- | Encoding Network Addresses to Support Operation over Non-OSI Lower Layers | 1277 |
| -------- | Replication and Distributed Operations extensions to provide an Internet Dir ectory using X.500 | 1276 |
| -------- | The COSINE and Internet X.500 Schema | 1274 |
| BGP-MIB | Definitions of Managed Objects for the Border Gateway Protocol: Version 3 | 1269 |
| ICMP-ROUT | ICMP Router Discovery Messages | 1256 |
| STD-MIBs | Reassignment of experimental MIBs to standard MIBs | 1239 |
| IPX-IP | Tunneling IPX traffic through IP networks | 1234 |
| IS-IS | Use of OSI IS-IS for routing in TCP/IP and dual environments | 1195 |
| IP-CMPRS | Compressing TCP/IP headers for low-speed serial links | 1144 |
| TOPT-XDL | Telnet X display location option | 1096 |
| TOPT-TERM | Telnet terminal-type option | 1091 |
| TOPT-TS | Telnet terminal speed option | 1079 |
| TOPT-NAWS | Telnet window size option | 1073 |
| TOPT-X.3 | Telnet X.3 PAD option | 1053 |
| TOPT-DATA | Telnet Data Entry Terminal option: DODIIS implementation | 1043 |
| TOPT-3270 | Telnet 3270 regime option | 1041 |
| NNTP | Network News Transfer Protocol | 977 |
| TOPT-TLN | Telnet terminal location number option | 946 |
| TOPT-OM | Output marking Telnet option | 933 |
| TOPT-TACAC | TACACS user identification Telnet option | 927 |
| TOPT-EOR | Telnet end of record option | 885 |
| TOPT-SNDL | Telnet send-location option | 779 |
| TOPT-SUPO | Telnet SUPDUP-Output option | 749 |
| TOPT-SUP | Telnet SUPDUP option | 736 |
| TOPT-BYTE | Revised Telnet byte macro option | 735 |
| TOPT-LOGO | Telnet logout option | 727 |
| TOPT-REM | Remote Controlled Transmission and Echoing Telnet option | 726 |
| TOPT-EXT | Telnet extended ASCII option | 698 |
| Experimental Back to Top | ||
| Mnemonic | Title | RFC# |
| -------- | PGM Reliable Transport Protocol Specification | 3208* |
| -------- | Domain Security Services using S/MIME | 3183 |
| SMX | Script MIB Extensibility Protocol Version 1.1 | 3179 |
| -------- | ISO/IEC 9798-3 Authentication SASL Mechanism | 3163 |
| -------- | Electronic Signature Policies | 3125 |
| -------- | A DNS RR Type for Lists of Address Prefixes (APL RR) | 3123 |
| -------- | Finding an RSIP Server with SLP | 3105 |
| -------- | RSIP Support for End-to-end IPsec | 3104 |
| -------- | Realm Specific IP: Protocol Specification | 3103 |
| -------- | Realm Specific IP: Framework | 3102 |
| -------- | OpenLDAP Root Service An experimental LDAP referral service | 3088 |
| -------- | Notification and Subscription for SLP | 3082 |
| -------- | MPLS Loop Prevention Mechanism | 3063 |
| -------- | Internet X.509 Public Key Infrastructure Data Validation and Certification Server Protocols | 3029 |
| -------- | Unified Memory Space Protocol Specification | 3018 |
| SAP | Session Announcement Protocol | 2974 |
| -------- | Protocol Independent Multicast MIB for IPv4 | 2934 |
| MASC | The Multicast Address-Set Claim (MASC) Protocol | 2909 |
| -------- | Generic AAA Architecture | 2903 |
| -------- | TCP Congestion Window Validation | 2861 |
| TSWTCM | A Time Sliding Window Three Colour Marker (TSWTCM) | 2859 |
| -------- | OSPF over ATM and Proxy-PAR | 2844 |
| PPP-SDL | PPP over Simple Data Link (SDL) using SONET/SDH with ATM-like framing | 2823 |
| -------- | Diffie-Helman USM Key Management Information Base and Textual Convention | 2786 |
| -------- | An HTTP Extension Framework | 2774 |
| -------- | Encryption using KEA and SKIPJACK | 2773 |
| -------- | Sampling of the Group Membership in RTP | 2762 |
| -------- | Definitions of Managed Objects for Service Level Agreements Performance Monitoring | 2758 |
| HTCP | Hyper Text Caching Protocol (HTCP/0.0) | 2756 |
| -------- | RTFM: New Attributes for Traffic Flow Measurement | 2724 |
| -------- | PPP EAP TLS Authentication Protocol | 2716 |
| -------- | SPKI Certificate Theory | 2693 |
| -------- | SPKI Requirements | 2692 |
| -------- | QoS Routing Mechanisms and OSPF Extensions | 2676 |
| -------- | The Secure HyperText Transfer Protocol | 2660 |
| -------- | Security Extensions For HTML | 2659 |
| -------- | LDAPv2 Client vs. the Index Mesh | 2657 |
| -------- | Registration Procedures for SOIF Template Types | 2656 |
| -------- | CIP Index Object Format for SOIF Objects | 2655 |
| -------- | A Tagged Index Object for use in the Common Indexing Protocol | 2654 |
| -------- | An LDAP Control and Schema for Holding Operation Signatures | 2649 |
| -------- | The NewReno Modification to TCP's Fast Recovery Algorithm | 2582 |
| -------- | Mapping between LPD and IPP Protocols | 2569 |
| IPP-RAT | Rationale for the Structure of the Model and Protocol for the Internet Printing Pr otocol | 2568 |
| IPP-DG | Design Goals for an Internet Printing Protocol | 2567 |
| DNS-INFO | Detached Domain Name System (DNS) Information | 2540 |
| PHOTURIS-E | Photuris: Extended Schemes and Attributes | 2523 |
| PHOTURIS-S | Photuris: Session-Key Management Protocol | 2522 |
| ICMP-SEC | ICMP Security Failures Messages | 2521 |
| NHRP-MNHCS | NHRP with Mobile NHCs | 2520 |
| -------- | URI Resolution Services Necessary for URN Resolution | 2483 |
| -------- | IPv6 Testing Address Allocation | 2471 |
| MARS-SCSP | A Distributed MARS Service Using SCSP | 2443 |
| TCP-WIN | Increasing TCP's Initial Window | 2414 |
| PIM-SM | Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification | 2362 |
| -------- | Domain Names and Company Name Retrieval | 2345 |
| RTP-MPEG | RTP Payload Format for Bundled MPEG | 2343 |
| -------- | Intra-LIS IP multicast among routers over ATM using Sparse Mode PIM | 2337 |
| -------- | The Safe Response Header Field | 2310 |
| LDAP-NIS | An Approach for Using LDAP as a Network Information Service | 2307 |
| HTTP-RVSA | HTTP Remote Variant Selection Algorithm -- RVSA/1.0 | 2296 |
| TCN-HTTP | Transparent Content Negotiation in HTTP | 2295 |
| TOPT-COMPO | Telnet Com Port Control Option | 2217 |
| -------- | Core Based Trees (CBT) Multicast Routing Architecture | 2201 |
| -------- | Core Based Trees (CBT version 2) Multicast Routing -- Protocol Specification -- | 2189 |
| -------- | A Trivial Convention for using HTTP in URN Resolution | 2169 |
| -------- | Resolution of Uniform Resource Identifiers using the Domain Name System | 2168 |
| MAP-MAIL | MaXIM-11 - Mapping between X.400 / Internet mail and Mail-11 mail | 2162 |
| MIME-ODA | A MIME Body Part for ODA | 2161 |
| OSPF-DIG | OSPF with Digital Signatures | 2154 |
| IP-SCSI | Encapsulating IP with the Small Computer System Interface | 2143 |
| X.500-NAME | Managing the X.500 Root Naming Context | 2120 |
| GKMP-ARCH | Group Key Management Protocol (GKMP) Architecture | 2094 |
| GKMP-SPEC | Group Key Management Protocol (GKMP) Specification | 2093 |
| TFTP-MULTI | TFTP Multicast Option | 2090 |
| IP-Echo | IP Echo Host Service | 2075 |
| TOPT-CHARS | TELNET CHARSET Option | 2066 |
| URAS | Uniform Resource Agents (URAs) | 2016 |
| GPS-AR | GPS-Based Addressing and Routing | 2009 |
| ETFTP | Experiments with a Simple File Transfer Protocol for Radio Links using Enhanced Tr ivial File Transfer Protocol (ETFTP) | 1986 |
| BGP-RR | BGP Route Reflection An alternative to full mesh IBGP | 1966 |
| SMKD | Scalable Multicast Key Distribution | 1949 |
| SNMPV2SM | User-based Security Model for SNMPv2 | 1910 |
| SNMPV2AI | An Administrative Infrastructure for SNMPv2 | 1909 |
| SNMPV2CB | Introduction to Community-based SNMPv2 | 1901 |
| -------- | OSI NSAPs and IPv6 | 1888 |
| DNS-LOC | A Means for Expressing Location Information in the Domain Name System | 1876 |
| SGML-MT | SGML Media Types | 1874 |
| CONT-MT | Message/External-Body Content-ID Access Type | 1873 |
| UNARP | ARP Extension - UNARP | 1868 |
| BGP-IDRP | A BGP/IDRP Route Server alternative to a full mesh routing | 1863 |
| ESP3DES | The ESP Triple DES Transform | 1851 |
| -------- | SMTP 521 Reply Code | 1846 |
| -------- | SMTP Service Extension for Checkpoint/Restart | 1845 |
| ST2 | Internet Stream Protocol Version 2 (ST2) Protocol Specification - Version ST2+ | 1819 |
| -------- | Communicating Presentation Information in Internet Messages: The Content-Dispositi on Header | 1806 |
| -------- | Schema Publishing in X.500 Directory | 1804 |
| -------- | MHS use of the X.500 Directory to support MHS Routing | 1801 |
| -------- | Class A Subnet Experiment | 1797 |
| TCP/IPXMIB | TCP/IPX Connection Mib Specification | 1792 |
| -------- | TCP And UDP Over IPX Networks With Fixed Path MTU | 1791 |
| ICMP-DM | ICMP Domain Name Messages | 1788 |
| CLNP-MULT | Host Group Extensions for CLNP Multicasting | 1768 |
| OSPF-OVFL | OSPF Database Overflow | 1765 |
| RWP | Remote Write Protocol - Version 1.0 | 1756 |
| NARP | NBMA Address Resolution Protocol (NARP) | 1735 |
| DNS-ENCODE | DNS Encoding of Geographical Location | 1712 |
| TCP-POS | An Extension to TCP : Partial Order Service | 1693 |
| T/TCP | T/TCP -- TCP Extensions for Transactions Functional Specification | 1644 |
| MIME-UNI | Using Unicode with MIME | 1641 |
| FOOBAR | FTP Operation Over Big Address Records (FOOBAR) | 1639 |
| X500-CHART | Charting Networks in the X.500 Directory | 1609 |
| X500-DIR | Representing IP Information in the X.500 Directory | 1608 |
| SNMP-DPI | Simple Network Management Protocol Distributed Protocol Interface Version 2.0 | 1592 |
| CLNP-TUBA | Use of ISO CLNP in TUBA Environments | 1561 |
| REM-PRINT | Principles of Operation for the TPC.INT Subdomain: Remote Printing -- Technical Pr ocedures | 1528 |
| DASS | DASS - Distributed Authentication Security Service | 1507 |
| EHF-MAIL | Encoding Header Field for Internet Messages | 1505 |
| RAP | RAP: Internet Route Access Protocol | 1476 |
| TP-IX | TP/IX: The Next Internet | 1475 |
| -------- | Routing Coordination for X.400 MHS Services Within a Multi Protocol / Multi Networ k Environment Table Format V3 for Static Routing | 1465 |
| -------- | Using the Domain Name System To Store Arbitrary String Attributes | 1464 |
| IRCP | Internet Relay Chat Protocol | 1459 |
| SIFT | SIFT/UFT: Sender-Initiated/Unsolicited File Transfer | 1440 |
| DIR-ARP | Directed ARP | 1433 |
| TEL-SPX | Telnet Authentication: SPX | 1412 |
| TEL-KER | Telnet Authentication: Kerberos Version 4 | 1411 |
| TRACE-IP | Traceroute Using an IP Option | 1393 |
| DNS-IP | An Experiment in DNS Based IP Routing | 1383 |
| RMCP | Remote Mail Checking Protocol | 1339 |
| MSP2 | Message Send Protocol 2 | 1312 |
| DSLCP | Dynamically Switched Link Control Protocol | 1307 |
| -------- | X.500 and Domains | 1279 |
| IN-ENCAP | Scheme for an internet encapsulation protocol: Version 1 | 1241 |
| CLNS-MIB | CLNS MIB for use with Connectionless Network Protocol (ISO 8473) and End System to Intermediate System (ISO 9542) | 1238 |
| CFDP | Coherent File Distribution Protocol | 1235 |
| IP-AX.25 | Internet protocol encapsulation of AX.25 frames | 1226 |
| ALERTS | Techniques for managing asynchronously generated alerts | 1224 |
| MPP | Message Posting Protocol (MPP) | 1204 |
| SNMP-BULK | Bulk Table Retrieval with the SNMP | 1187 |
| DNS-RR | New DNS RR Definitions | 1183 |
| IMAP2 | Interactive Mail Access Protocol: Version 2 | 1176 |
| NTP-OSI | Network Time Protocol (NTP) over the OSI Remote Operations Service | 1165 |
| DMF-MAIL | Digest message format | 1153 |
| RDP | Version 2 of the Reliable Data Protocol (RDP) | 1151 |
| -------- | Standard for the transmission of IP datagrams on avian carriers | 1149 |
| TCP-ACO | TCP alternate checksum options | 1146 |
| -------- | The Q Method of Implementing TELNET Option Negotiation | 1143 |
| IP-DVMRP | Distance Vector Multicast Routing Protocol | 1075 |
| VMTP | VMTP: Versatile Message Transaction Protocol | 1045 |
| COOKIE-JAR | Distributed-protocol authentication scheme | 1004 |
| NETBLT | NETBLT: A bulk data transfer protocol | 998 |
| IRTP | Internet Reliable Transaction Protocol functional and interface specification | 938 |
| LDP | Loader Debugger Protocol | 909 |
| RDP | Reliable Data Protocol | 908 |
| < Historic > Back to Top | ||
| Mnemonic | Title | RFC# |
| IP-MAC | IP Authentication using Keyed SHA1 with Interleaved Padding (IP-MAC) | 2841 |
| L2F | Cisco Layer Two Forwarding (Protocol) "L2F" | 2341 |
| IPV6-UNI | An IPv6 Provider-Based Unicast Address Format | 2073 |
| HTML-INT | Internationalization of the Hypertext Markup Language | 2070 |
| -------- | A Proposed Extension to HTML : Client-Side Image Maps | 1980 |
| HTML-TBL | HTML Tables | 1942 |
| IPV6-Addr | IP Version 6 Addressing Architecture | 1884 |
| -------- | Form-based File Upload in HTML | 1867 |
| HTML | Hypertext Markup Language - 2.0 | 1866 |
| BGP4/IDRP | BGP4/IDRP for IP---OSPF Interaction | 1745* |
| -------- | Assigned Numbers | 1700* |
| -------- | Definitions of Managed Objects for the Ethernet-like Interface Types | 1623 |
| DNS-R-MIB | DNS Resolver MIB Extensions | 1612* |
| DNS-S-MIB | DNS Server MIB Extensions | 1611* |
| -------- | Manager-to-Manager Management Information Base | 1451 |
| -------- | Party MIB for version 2 of the Simple Network Management Protocol (SNMPv2) | 1447 |
| -------- | Security Protocols for version 2 of the Simple Network Management Protocol (SNMPv2) | 1446 |
| -------- | Administrative Model for version 2 of the Simple Network Management Protocol (SNMPv 2) | 1445 |
| TOPT-ENVIR | Telnet Environment Option | 1408 |
| BGP-OSPF | BGP OSPF Interaction | 1403* |
| SNMP-PARTY | Definitions of Managed Objects for Administration of SNMP Parties | 1353 |
| SNMP-SEC | SNMP Security Protocols | 1352 |
| SNMP-ADMIN | SNMP Administrative Model | 1351 |
| -------- | Application of the Border Gateway Protocol in the Internet | 1268 |
| BGP3 | Border Gateway Protocol 3 (BGP-3) | 1267 |
| OSI-UDP | OSI connectionless transport services on top of UDP: Version 1 | 1240 |
| 802.4-MIP | IEEE 802.4 Token Bus MIB | 1230 |
| SNMP-MUX | SNMP MUX protocol and MIB | 1227 |
| OIM-MIB-II | OSI internet management: Management Information Base | 1214 |
| IMAP3 | Interactive Mail Access Protocol: Version 3 | 1203 |
| CMOT | Common Management Information Services and Protocols for the Internet (CMOT and CMI P) | 1189 |
| -------- | Application of the Border Gateway Protocol in the Internet | 1164 |
| BGP | Border Gateway Protocol (BGP) | 1163 |
| MIB-I | Management Information Base for network management of TCP/IP-based internets | 1156 |
| -------- | Mapping between full RFC 822 and RFC 822 with restricted encoding | 1137 |
| -------- | Privacy enhancement for Internet electronic mail: Part III - algorithms, modes, and identifiers | 1115 |
| -------- | Privacy enhancement for Internet electronic mail: Part II - certificate-based key m anagement | 1114 |
| -------- | Privacy enhancement for Internet electronic mail: Part I - message encipherment and authentication procedures | 1113 |
| IPSO | U.S. Department of Defense Security Options for the Internet Protocol | 1108 |
| RIP | Routing Information Protocol | 1058 |
| --------- | Standard for the transmission of IP datagrams and ARP packets over ARCNET networks | 1051 |
| SUN-RPC | RPC: Remote Procedure Call Protocol specification | 1050 |
| CONTENT | Content-type header field for Internet messages | 1049 |
| NFILE | NFILE - a file access protocol | 1037 |
| SGMP | Simple Gateway Monitoring Protocol | 1028 |
| HEMS | High-level Entity Management System (HEMS) | 1021 |
| -------- | Requirements for Internet gateways | 1009 |
| STATSRV | Statistics server | 996 |
| HOSTNAME | Hostname Server | 953 |
| POP2 | Post Office Protocol: Version 2 | 937 |
| HFEP | Proposed Host-Front End Protocol | 929 |
| RATP | Reliable Asynchronous Transfer Protocol (RATP) | 916 |
| THINWIRE | Thinwire protocol for connecting personal computers to the Internet | 914 |
| SFTP | Simple File Transfer Protocol | 913 |
| EGP | Exterior Gateway Protocol formal specification | 904 |
| HMP | Host Monitoring Protocol | 869 |
| GGP | DARPA Internet gateway | 823 |
| RTELNET | Remote User Telnet service | 818 |
| CLOCK | DCNET Internet Clock Service | 778 |
| MPM | Internet Message Protocol | 759 |
| NETRJS | NETRJS Protocol | 740 |
| SUPDUP | SUPDUP Protocol | 734 |
| TOPT-OLD | Telnet output linefeed disposition | 658 |
| TOPT-OVTD | Telnet output vertical tab disposition option | 657 |
| TOPT-OVT | Telnet output vertical tabstops option | 656 |
| TOPT-OFD | Telnet output formfeed disposition option | 655 |
| TOPT-OHTD | Telnet output horizontal tab disposition option | 654 |
| TOPT-OHT | Telnet output horizontal tabstops option | 653 |
| TOPT-OCRD | Telnet output carriage-return disposition option | 652 |
| NETED | NETED: A Common Editor for the ARPA Network | 569 |
| RJE | Remote Job Entry Protocol | 407 |
| < Best Current Practice by BCP> Back to Top | |||
| Mnemonic | Title | RFC# | BCP# |
| -------- | Best Current Practices | 1818 | 1 |
| -------- | Addendum to RFC 1602 -- Variance Procedure | 1871 | 2 |
| -------- | Variance for The PPP Compression Control Protocol and The PPP Encryption Control Protocol | 1915 | 3 |
| -------- | An Appeal to the Internet Community to Return Unused IP Networks (Prefixes) to th e IANA | 1917 | 4 |
| -------- | Address Allocation for Private Internets | 1918 | 5 |
| -------- | Guidelines for creation, selection, and registration of an Autonomous System (AS) | 1930 | 6 |
| -------- | Implications of Various Address Allocation Policies for Internet Routing | 2008 | 7 |
| -------- | IRTF Research Group Guidelines and Procedures | 2014 | 8 |
| -------- | The Internet Standards Process -- Revision 3 | 2026 | 9 |
| -------- | IAB and IESG Selection, Confirmation, and Recall Process: Operation of the Nomina ting and Recall Committees | 2727 | 10 |
| -------- | The Organizations Involved in the IETF Standards Process | 2028 | 11 |
| -------- | Internet Registry IP Allocation Guidelines | 2050 | 12 |
| -------- | Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures | 2048 | 13 |
| -------- | Key words for use in RFCs to Indicate Requirement Levels | 2119 | 14 |
| -------- | Deployment of the Internet White Pages Service | 2148 | 15 |
| -------- | Selection and Operation of Secondary DNS Servers | 2182 | 16 |
| -------- | Use of DNS Aliases for Network Services | 2219 | 17 |
| -------- | IETF Policy on Character Sets and Languages | 2277 | 18 |
| -------- | IANA Charset Registration Procedures | 2978 | 19 |
| -------- | Classless IN-ADDR.ARPA delegation | 2317 | 20 |
| -------- | Expectations for Computer Security Incident Response | 2350 | 21 |
| -------- | Guide for Internet Standards Writers | 2360 | 22 |
| -------- | Administratively Scoped IP Multicast | 2365 | 23 |
| -------- | RSVP over ATM Implementation Guidelines | 2379 | 24 |
| -------- | IETF Working Group Guidelines and Procedures | 2418 | 25 |
| -------- | Guidelines for Writing an IANA Considerations Section in RFCs | 2434 | 26 |
| -------- | Advancement of MIB specifications on the IETF Standards Track | 2438 | 27 |
| -------- | Enhancing TCP Over Satellite Channels using Standard Mechanisms | 2488 | 28 |
| -------- | Procedure for Defining New DHCP Options | 2489 | 29 |
| -------- | Anti-Spam Recommendations for SMTP MTAs | 2505 | 30 |
| -------- | Media Feature Tag Registration Procedure | 2506 | 31 |
| -------- | Reserved Top Level DNS Names | 2606 | 32 |
| -------- | URN Namespace Definition Mechanisms | 2611 | 33 |
| -------- | Changing the Default for Directed Broadcasts in Routers | 2644 | 34 |
| -------- | Registration Procedures for URL Scheme Names | 2717 | 35 |
| -------- | Guidelines for Writers of RTP Payload Format Specifications | 2736 | 36 |
| -------- | IANA Allocation Guidelines For Values In the Internet Protocol and Related Header s | 2780 | 37 |
| -------- | Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP So urce Address Spoofing | 2827 | 38 |
| -------- | Charter of the Internet Architecture Board (IAB) | 2850 | 39 |
| -------- | Root Name Server Operational Requirements | 2870 | 40 |
| -------- | Congestion Control Principles | 2914 | 41 |
| -------- | Domain Name System (DNS) IANA Considerations | 2929 | 42 |
| -------- | Procedures and IANA Guidelines for Definition of New DHCP Options and Message Typ es | 2939 | 43 |
| -------- | Use of HTTP State Management | 2964 | 44 |
| -------- | IETF Discussion List Charter | 3005 | 45 |
| -------- | Recommended Internet Service Provider Security Services and Procedures | 3013 | 46 |
| -------- | Tags for the Identification of Languages | 3066 | 47 |
| -------- | End-to-end Performance Implications of Slow Links | 3150 | 48 |
| -------- | Delegation of IP6.ARPA | 3152 | 49 |
| -------- | End-to-end Performance Implications of Links with Errors | 3155 | 50 |
| -------- | IANA Guidelines for IPv4 Multicast Address Assignments | 3171 | 51 |
| -------- | Management Guidelines & Operational Requirements for the Address and Routing Para meter Area Domain ("arpa") | 3172 | 52 |
| -------- | GLOP Addressing in 233/8 | 3180 | 53 |
| -------- | IETF Guidelines for Conduct | 3184 | 54 |
| -------- | Guidelines for Evidence Collection and Archiving | 3227* | 55 |
| -------- | On the use of HTTP as a Substrate | 3205* | 56 |
| -------- | IANA Considerations for IPv4 Internet Group Management Protocol (IGMP) | 3228* | 57 |
| -------- | Defining the IETF | 3233* | 58 |
| < Best Current Practice by RFC > Back to Top | |||
| Mnemonic | Title | BCP# | RFC# |
| -------- | Defining the IETF | 58 | 3233 |
| -------- | IANA Considerations for IPv4 Internet Group Management Protocol (IGMP) | 57 | 3228 |
| -------- | Guidelines for Evidence Collection and Archiving | 55 | 3227 |
| -------- | On the use of HTTP as a Substrate | 56 | 3205 |
| -------- | IETF Guidelines for Conduct | 54 | 3184 |
| -------- | GLOP Addressing in 233/8 | 53 | 3180 |
| -------- | Management Guidelines & Operational Requirements for the Address and Routing Para meter Area Domain ("arpa") | 52 | 3172 |
| -------- | IANA Guidelines for IPv4 Multicast Address Assignments | 51 | 3171 |
| -------- | End-to-end Performance Implications of Links with Errors | 50 | 3155 |
| -------- | Delegation of IP6.ARPA | 49 | 3152 |
| -------- | End-to-end Performance Implications of Slow Links | 48 | 3150 |
| -------- | Tags for the Identification of Languages | 47 | 3066 |
| -------- | Recommended Internet Service Provider Security Services and Procedures | 46 | 3013 |
| -------- | IETF Discussion List Charter | 45 | 3005 |
| -------- | IANA Charset Registration Procedures | 19 | 2978 |
| -------- | Use of HTTP State Management | 44 | 2964 |
| -------- | Procedures and IANA Guidelines for Definition of New DHCP Options and Message Typ es | 43 | 2939 |
| -------- | Domain Name System (DNS) IANA Considerations | 42 | 2929 |
| -------- | Congestion Control Principles | 41 | 2914 |
| -------- | Root Name Server Operational Requirements | 40 | 2870 |
| -------- | Charter of the Internet Architecture Board (IAB) | 39 | 2850 |
| -------- | Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP So urce Address Spoofing | 38 | 2827 |
| -------- | IANA Allocation Guidelines For Values In the Internet Protocol and Related Header s | 37 | 2780 |
| -------- | Guidelines for Writers of RTP Payload Format Specifications | 36 | 2736 |
| -------- | IAB and IESG Selection, Confirmation, and Recall Process: Operation of the Nomina ting and Recall Committees | 10 | 2727 |
| -------- | Registration Procedures for URL Scheme Names | 35 | 2717 |
| -------- | Changing the Default for Directed Broadcasts in Routers | 34 | 2644 |
| -------- | URN Namespace Definition Mechanisms | 33 | 2611 |
| -------- | Reserved Top Level DNS Names | 32 | 2606 |
| -------- | Media Feature Tag Registration Procedure | 31 | 2506 |
| -------- | Anti-Spam Recommendations for SMTP MTAs | 30 | 2505 |
| -------- | Procedure for Defining New DHCP Options | 29 | 2489 |
| -------- | Enhancing TCP Over Satellite Channels using Standard Mechanisms | 28 | 2488 |
| -------- | Advancement of MIB specifications on the IETF Standards Track | 27 | 2438 |
| -------- | Guidelines for Writing an IANA Considerations Section in RFCs | 26 | 2434 |
| -------- | IETF Working Group Guidelines and Procedures | 25 | 2418 |
| -------- | RSVP over ATM Implementation Guidelines | 24 | 2379 |
| -------- | Administratively Scoped IP Multicast | 23 | 2365 |
| -------- | Guide for Internet Standards Writers | 22 | 2360 |
| -------- | Expectations for Computer Security Incident Response | 21 | 2350 |
| -------- | Classless IN-ADDR.ARPA delegation | 20 | 2317 |
| -------- | IETF Policy on Character Sets and Languages | 18 | 2277 |
| -------- | Use of DNS Aliases for Network Services | 17 | 2219 |
| -------- | Selection and Operation of Secondary DNS Servers | 16 | 2182 |
| -------- | Deployment of the Internet White Pages Service | 15 | 2148 |
| -------- | Key words for use in RFCs to Indicate Requirement Levels | 14 | 2119 |
| -------- | Internet Registry IP Allocation Guidelines | 12 | 2050 |
| -------- | Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures | 13 | 2048 |
| -------- | The Organizations Involved in the IETF Standards Process | 11 | 2028 |
| -------- | The Internet Standards Process -- Revision 3 | 9 | 2026 |
| -------- | IRTF Research Group Guidelines and Procedures | 8 | 2014 |
| -------- | Implications of Various Address Allocation Policies for Internet Routing | 7 | 2008 |
| -------- | Guidelines for creation, selection, and registration of an Autonomous System (AS) | 6 | 1930 |
| -------- | Address Allocation for Private Internets | 5 | 1918 |
| -------- | An Appeal to the Internet Community to Return Unused IP Networks (Prefixes) to th e IANA | 4 | 1917 |
| -------- | Variance for The PPP Compression Control Protocol and The PPP Encryption Control Protocol | 3 | 1915 |
| -------- | Addendum to RFC 1602 -- Variance Procedure | 2 | 1871 |
| -------- | Best Current Practices | 1 | 1818 |