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Network Working Group                    Internet Engineering Task ForceRequest for Comments: 2500                                   J. ReynoldsObsoletes:2400,2300,2200,2000,1920,1880,                 R. Braden1800,1780,1720,1610,1600,1540,1500,1410,                  Editors1360, 1280, 1250, 1200, 1140, 1130, 1100, 1083                 June 1999STD: 1Category: Standards TrackInternet Official Protocol StandardsStatus of this Memo   This memo describes the state of standardization of protocols used in   the Internet as determined by the Internet Engineering Task Force   (IETF).  This memo is an Internet Standard.  Distribution of this   memo is unlimited.Copyright Notice   Copyright (C) The Internet Society (1999).  All Rights Reserved.Table of Contents1.  Introduction . . . . . . . . . . . . . . . . . . . . . . .22.  Current Technical Specifications . . . . . . . . . . . . .42.1.  Standard Protocols . . . . . . . . . . . . . . . . . . .52.2.  Network-Specific Standard Protocols  . . . . . . . . . .62.3.  Draft Standard Protocols . . . . . . . . . . . . . . . .72.4.  Proposed Standard Protocols  . . . . . . . . . . . . . .92.5.  Experimental Protocols . . . . . . . . . . . . . . . . .183.  Current Applicability Statements . . . . . . . . . . . . .214.  Non-Standard Protocols . . . . . . . . . . . . . . . . . .224.1.  Informational Protocol . . . . . . . . . . . . . . . . .224.2.  Historic Protocols . . . . . . . . . . . . . . . . . . .245.  Contacts . . . . . . . . . . . . . . . . . . . . . . . . .255.1.  IAB, IETF, and IRTF Contacts . . . . . . . . . . . . . .255.2.  Internet Assigned Numbers Authority (IANA) Contact . . .255.3.  Request for Comments Editor Contact  . . . . . . . . . .265.4.  Requests for Comments Distribution Contact . . . . . . .265.5.  Sources for Requests for Comments  . . . . . . . . . . .266.  Security Considerations  . . . . . . . . . . . . . . . . .267.  Editors' Addresses . . . . . . . . . . . . . . . . . . . .27   Full Copyright Statement . . . . . . . . . . . . . . . . . . .28IETF                        Standards Track                     [Page 1]

RFC 2500                   Internet Standards                  June 19991. Introduction   This memo summarizes the status of Internet protocols and   specifications.  It is published by the RFC Editor in accordance withSection 2.1 of "The Internet Standards Process -- Revision 3",RFC2026, which specifies the rules and procedures by which all Internet   stnadards are set.  This memo is prepared by the RFC Editor for the   IESG and IAB.  It is a member of a series of summary memos that are   published approximately every one hundred RFCs; please see   www.rfc-editor.org.   This memo lists the level and status of the archival documents known   as RFCs (Request for Comments) within the Internet standards process.   The reader is urged to reviewRFC 2026 for essential context for   interpreting this memo.   The following introductory text is quoted directly fromRFC 2026:      "The Internet, a loosely-organized international collaboration of      autonomous, interconnected networks, supports host-to-host      communication through voluntary adherence to open protocols and      procedures defined by Internet Standards.  There are also many      isolated interconnected networks, which are not connected to the      global Internet but use the Internet Standards.      The Internet Standards Process described in this document is      concerned with all protocols, procedures, and conventions that are      used in or by the Internet, whether or not they are part of the      TCP/IP protocol suite.  In the case of protocols developed and/or      standardized by non-Internet organizations, however, the Internet      Standards Process normally applies to the application of the      protocol or procedure in the Internet context, not to the      specification of the protocol itself.      In general, an Internet Standard is a specification that is stable      and well-understood, is technically competent, has multiple,      independent, and interoperable implementations with substantial      operational experience, enjoys significant public support, and is      recognizably useful in some or all parts of the Internet.      Each distinct version of an Internet standards-related      specification is published as part of the "Request for Comments"      (RFC) document series.  This archival series is the official      publication channel for Internet standards documents and other      publications of the IESG, IAB, and Internet community.  RFCs can      be obtained from a number of Internet hosts using anonymous FTP,      gopher, World Wide Web, and other Internet document-retrieval      systems.IETF                        Standards Track                     [Page 2]

RFC 2500                   Internet Standards                  June 1999      The rules for formatting and submitting an RFC are defined in [5].      Every RFC is available in ASCII text.  Some RFCs are also      available in other formats.  The other versions of an RFC may      contain material (such as diagrams and figures) that is not      present in the ASCII version, and it may be formatted differently.            *********************************************************            *                                                       *            *  A stricter requirement applies to standards-track    *            *  specifications:  the ASCII text version is the       *            *  definitive reference, and therefore it must be a     *            *  complete and accurate specification of the standard, *            *  including all necessary diagrams and illustrations.  *            *                                                       *            *********************************************************      The status of Internet protocol and service specifications is      summarized periodically in an RFC entitled "Internet Official      Protocol Standards" [1].  This RFC shows the level of maturity and      other helpful information for each Internet protocol or service      specification (seesection 3).      Specifications subject to the Internet Standards Process fall into      one of two categories:  Technical Specification (TS) and      Applicability Statement (AS).      Some RFCs document Internet Standards.  These RFCs form the "STD"      subseries of the RFC series [4].  When a specification has been      adopted as an Internet Standard, it is given the additional label      "STDxxx", but it keeps its RFC number and its place in the RFC      series.  (seesection 4.1.3)      Some RFCs standardize the results of community deliberations about      statements of principle or conclusions about what is the best way      to perform some operations or IETF process function.  These RFCs      form the specification has been adopted as a BCP, it is given the      additional label "BCPxxx", but it keeps its RFC number and its      place in the RFC series. (seesection 5)      Not all specifications of protocols or services for the Internet      should or will become Internet Standards or BCPs.  Such non-      standards track specifications are not subject to the rules for      Internet standardization.  Non-standards track specifications may      be published directly as "Experimental" or "Informational" RFCs at      the discretion of the RFC Editor in consultation with the IESG      (seesection 4.2)."IETF                        Standards Track                     [Page 3]

RFC 2500                   Internet Standards                  June 1999Section 2 of this memo lists all Technical Specification RFCs that   are in the standards track, andSection 3 lists Applicability   Statement RFCs in the standards track.Section 4 lists those   protocol specification RFCs that are off the standards track   (Informational and Historic status).  This memo does not list   Informational RFCs that may be of general interest to the community   but do not specify protocols for the Internet.  It also does not list   BCP RFCs.  Telnet options have been added into the lists.2. Current Technical Specifications   Subsections2.1-2.5 list the standards in groups by protocol state.   In the following lists, shorthand nicknames have been shown for many   of the major protocols.  These names are commonly used in discourse   on Internet mailing lists.IETF                        Standards Track                     [Page 4]

RFC 2500                   Internet Standards                  June 19992.1.  Standard ProtocolsProtocol   Name                                                RFC STD *========   =====================================              ==== === =--------   Internet Official Protocol Standards               2500   1--------   Assigned Numbers                                   1700   2IP         Internet Protocol                                   791   5            as amended by:----------------     IP Subnet Extension                               950   5--------     IP Broadcast Datagrams                            919   5--------     IP Broadcast Datagrams with Subnets               922   5ICMP       Internet Control Message Protocol                   792   5IGMP       Internet Group Multicast Protocol                  1112   5UDP        User Datagram Protocol                              768   6TCP        Transmission Control Protocol                       793   7TELNET     Telnet Protocol                                 854,855   8FTP        File Transfer Protocol                              959   9SMTP       Simple Mail Transfer Protocol                       821  10SMTP-SIZE  SMTP Service Ext for Message Size                  1870  10SMTP-EXT   SMTP Service Extensions                            1869  10MAIL       Format of Electronic Mail Messages                  822  11NTPV2      Network Time Protocol (Version 2)                  1119  12DOMAIN     Domain Name System                            1034,1035  13DNS-MX     Mail Routing and the Domain System                  974  14SNMP       Simple Network Management Protocol                 1157  15SMI        Structure of Management Information                1155  16Concise-MIB Concise MIB Definitions                           1212  16MIB-II     Management Information Base-II                     1213  17NETBIOS    NetBIOS Service Protocols                     1001,1002  19ECHO       Echo Protocol                                       862  20DISCARD    Discard Protocol                                    863  21CHARGEN    Character Generator Protocol                        864  22QUOTE      Quote of the Day Protocol                           865  23USERS      Active Users Protocol                               866  24DAYTIME    Daytime Protocol                                    867  25TIME       Time Server Protocol                                868  26TOPT-BIN   Binary Transmission                                 856  27TOPT-ECHO  Echo                                                857  28TOPT-SUPP  Suppress Go Ahead                                   858  29TOPT-STAT  Status                                              859  30TOPT-TIM   Timing Mark                                         860  31TOPT-EXTOP Extended-Options-List                               861  32TFTP       Trivial File Transfer Protocol                     1350  33TP-TCP     ISO Transport Service on top of the TCP            1006  35ETHER-MIB  Ethernet MIB                                       1643  50PPP        Point-to-Point Protocol (PPP)                      1661  51PPP-HDLC   PPP in HDLC Framing                                1662  51IP-SMDS    IP Datagrams over the SMDS Service                 1209  52IETF                        Standards Track                     [Page 5]

RFC 2500                   Internet Standards                  June 1999POP3       Post Office Protocol, Version 3                    1939  53OSPF2      Open Shortest Path First Routing V2                2328  54IP-FR      Multiprotocol over Frame Relay                     2427  55*RIP2       RIP Version 2-Carrying Additional Info.            2453  56*RIP2-APP   RIP Version 2 Protocol App. Statement              1722  57*SMIv2      Structure of Management Information v2             2578  58*CONV-MIB   Textual Conventions for SNMPv2                     2579  58*CONF-MIB   Conformance Statements for SNMPv2                  2580  58*[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]2.2.  Network-Specific Standard ProtocolsProtocol   Name                                            RFC   STD *========   =====================================          =====  === =IP-ATM     Classical IP and ARP over ATM                   2225ATM-ENCAP  Multiprotocol Encapsulation over ATM            1483IP-TR-MC   IP Multicast over Token-Ring LANs               1469IP-FDDI    Transmission of IP and ARP over FDDI Net        1390    36IP-X.25    X.25 and ISDN in the Packet Mode                1356ARP        Address Resolution Protocol                      826    37RARP       A Reverse Address Resolution Protocol            903    38IP-ARPA    Internet Protocol on ARPANET                 BBN1822    39IP-WB      Internet Protocol on Wideband Network            907    40IP-E       Internet Protocol on Ethernet Networks           894    41IP-EE      Internet Protocol on Exp. Ethernet Nets          895    42IP-IEEE    Internet Protocol on IEEE 802                   1042    43IP-DC      Internet Protocol on DC Networks                 891    44IP-HC      Internet Protocol on Hyperchannel               1044    45IP-ARC     Transmitting IP Traffic over ARCNET Nets        1201    46IP-SLIP    Transmission of IP over Serial Lines            1055    47IP-NETBIOS Transmission of IP over NETBIOS                 1088    48IP-IPX     Transmission of 802.2 over IPX Networks         1132    49IP-HIPPI   IP over HIPPI                                   2067[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]IETF                        Standards Track                     [Page 6]

RFC 2500                   Internet Standards                  June 19992.3.  Draft Standard ProtocolsProtocol   Name                                                     RFC========   =====================================                   =====VACM-SNMP  View-based Access Control Model for SMMP                2575*USM-SNMPV3 User-based Security Model for SNMPv3                    2574*SNMP-APP   SNMP Applications                                       2573*MPD-SNMP   Message Processing & Dispatching SNMP                   2572*ARCH-SNMP  Architecture Describing SNMP Management Frameworks      2571*ICMPv6     ICMPv6 for IPv6                                         2463*IPV6-AUTO  IPv6 Stateless Address Autoconfiguation                 2462*IPV6-ND    Neighbor Discovery for IP Version 6                     2461*IPV6       IPv6 Specification                                      2460*URI-GEN    URI: Generic Syntax                                     2396IARP       Inverse Address Resolution Protocol                     2390TN3270E    Telnet Option - TN3270 Enhancements                     2355*TFTP-Opt   TFTP Options                                            2349TFTP-Blk   TFTP Blocksize Option                                   2348TFTP-Ext   TFTP Option Extension                                   2347ONE-PASS   One-Time Password System                                2289SMTP-Pipe  SMTP Serv. Ext. for Command Pipelining                  2197DHCP-BOOTP DHCP Options and BOOTP Extensions                       2132DHCP       Dynamic Host Configuration Protocol                     2131FRAME-MIB  Management Information Base for Frame                   2115-------    Clarifications and Extensions BOOTP                     1542DHCP-BOOTP Interoperation Between DHCP and BOOTP                   1534BOOTP      Bootstrap Protocol                                  951,2132MIME-CONF  MIME Conformance Criteria                               2049MIME-MSG   MIME Msg Header Ext for Non-ASCII                       2047MIME-MEDIA MIME Media Types                                        2046MIME       Multipurpose Internet Mail Extensions                   2045PPP-CHAP   PPP Challenge Handshake Authentication                  1994PPP-MP     PPP Multilink Protocol                                  1990PPP-LINK   PPP Link Quality Monitoring                             1989COEX-MIB   Coexistence between SNMPV1 & SNMPV2                     1908SNMPv2-MIB MIB for SNMPv2                                          1907TRANS-MIB  Transport Mappings for SNMPv2                           1906OPS-MIB    Protocol Operations for SNMPv2                          1905CON-MD5    Content-MD5 Header Field                                1864OSPF-MIB   OSPF Version 2 MIB                                      1850STR-REP    String Representation ...1779X.500syn   X.500 String Representation ...1778X.500lite  X.500 Lightweight ...1777BGP-4-APP  Application of BGP-4                                    1772BGP-4      Border Gateway Protocol 4                               1771PPP-DNCP   PPP DECnet Phase IV Control Protocol                    1762RMON-MIB   Remote Network Monitoring MIB                           1757802.5-MIB  IEEE 802.5 Token Ring MIB                               1748IETF                        Standards Track                     [Page 7]

RFC 2500                   Internet Standards                  June 1999RIP2-MIB   RIP Version 2 MIB Extension                             1724SIP-MIB    SIP Interface Type MIB                                  1694-------    Def Man Objs Parallel-printer-like                      1660-------    Def Man Objs RS-232-like                                1659-------    Def Man Objs Character Stream                           1658BGP-4-MIB  BGP-4 MIB                                               1657SMTP-8BIT  SMTP Service Ext or 8bit-MIMEtransport                  1652OSI-NSAP   Guidelines for OSI NSAP Allocation                      1629ISO-TS-ECHO Echo for ISO-8473                                      1575DECNET-MIB DECNET MIB                                              1559BRIDGE-MIB BRIDGE-MIB                                              1493NTPV3      Network Time Protocol (Version 3)                       1305FINGER     Finger Protocol                                         1288IP-MTU     Path MTU Discovery                                      1191TOPT-LINE  Linemode                                                1184NICNAME    WhoIs Protocol                                           954[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]IETF                        Standards Track                     [Page 8]

RFC 2500                   Internet Standards                  June 19992.4.  Proposed Standard ProtocolsProtocol   Name                                                     RFC========   =====================================                   =====--------   PKIX Operational Protocols: FTP and HTTP                2585*--------   APPN/HPR in IP Networks MIB                             2584*TCP-CC     TCP Congestion Control                                  2581*APP-MIB    Application Management MIB                              2564*--------   DHCP Auto-Configuration Option                          2563*--------   TN3270E-RT-MIB                                          2562*--------   TN3270E Using SMIv2 MIB                                 2561*--------   Internet X.509 Public Key Infra. Op. Proto. LDAPv2      2559*--------   SONET/SDH Interface Type MIB                            2558*MHTML      MIME Encap. of Aggregate Documents, such as HTML        2557*--------   SMTP Service Extension for Authentication               2554*--------   Use of BGP-4 Multipro. Ext. for IPv6 IDR                2545*SIP        Session Initiation Protocol                             2543*DHK-DNS    Storage of Diffie-Hellman Keys in DNS                   2539*SC-DNS     Storing Certificates in the DNS                         2538*--------   RSA/MD5 KEYs and SIGs in the DNS                        2537*--------   DSA KEYs and SIGs in the DNS                            2536*DNS-SECEXT Domain Name System Security Extensions                  2535*--------   Media Features for Display, Print, Fax                  2534*--------   Transmission of IPv6 Packets over IPv4                  2529*--------   Reserved IPv6 Subnet Anycast Addresses                  2526*WEBDAV     HTTP Ext. for Distributed Authoring                     2518*ATM-MIBMAN MIB for ATM Management                                  2515*ATM-TC-OID ATM Textual Conventions and OIDs                        2514*--------   Connection-Oriented Accounting MIB                      2513*--------   Accounting Information for ATM Networks                 2512*X.509-CRMF Internet X.509 CRMF                                     2511*PKICMP     Internet X.509 PKI CMP                                  2510*IPCOM-PPP  IP Header Compression over PPP                          2509*--------   Compressing IP/UDP/RTP Headers                          2508*--------   IP Header Compression                                   2507*--------   IPv6 Datagrams on ARCnet                                2497*DS3-E3-MIB DS3/E3 Interface Type MIB                               2496*--------   DS1/E1/DS2/E2 MIB                                       2495*--------   DSO MIB / DSOBUNDLE MIB                                 2494*--------   15 Minute Based Performance History TCs                 2493*IPv6ATMNET IPv6 over ATM Networks                                  2492*IPv6-NBMA  IPv6 over Non-Broadcast Multiple Access                 2491*--------   SMTP Serv. Ext. for Secure SMTP over TLS                2487*NAI        Network Access Identifier                               2486*--------   DCHP Option for the Open Group's UAP                    2485*--------   PPP LCP Internationalization Option                     2484*--------   Gateways and MIME Security Multiparts                   2480*--------   GSS-API Negotiation Mechanism                           2478*IETF                        Standards Track                     [Page 9]

RFC 2500                   Internet Standards                  June 1999--------   Message Submission                                      2476*DIFFSRV    Architecture for Differentiated Service                 2475*--------   Differentiated Services Field                           2474*--------   Generic Packet Tunneling in IPv6                        2473*IPv6-PPP   IP Version 6 over PPP                                   2472*--------   IPv6 Packets over Token Ring Networks                   2470*--------   IPv6 Packets over FDDI Networks                         2467*ICMPv6-MIB ICMPv6 Group MIB                                        2466*--------   Textual Conventions, General Group MIB                  2465*--------   IPv6 Packets over Ethernet Networks                     2464*--------   Internet X.509 Public Key Infrastructure                2459*EBN-MIB    Extended Border Node MIB                                2457*--------   APPN TRAPS MIB                                          2456*APPN-MIB   APPN MIB                                                2455*--------   UDP MIB for IPv6                                        2454*--------   TCP MIB for IPv6                                        2452*--------   ESP CBC-Mode Cipher Algorithms                          2451*POP3-EXT   POP3 Extension Mechanism                                2449*IMIP       iCalendar Message-Based Interoperability                2447*ITIP       iCalendar Message-Based Interoperability                2446*ICALENDAR  Internet Calendaring, Scheduling Core..                 2445*OTP-SASL   OTP 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 H.263+                           2429*--------   FTP Extensions for IPv6 and NATs                        2428MIME-VCARD vCard MIME Directory Profile                            2426TXT-DIR    MIME Content-Type for Directory Info                    2425CONT-DUR   Content-Duration MIME Header                            2424MIME-VPIM  VPIM Voice Message                                      2423MIME-ADPCM Toll Quality Voice - 32 kbit/s ADPC                     2422MIME-VP2   Voice Profile for Internet Mail V2                      2421--------   Multicast/UNI 3.0/3.1 based ATM MIB                     2417--------   NULL Encryption Algorithm and Its Use With IPsec        2410*IKE        The Internet Key Exchange                               2409*ISAKMP     Internet Security Association and Key Management Pro.   2408*ISAKMPSEC  IP Security Domain of Interpretation for ISAKMP         2407*ESP        IP Encapsulating Security Payload                       2406*ESPDES-CBC ESP DES-CBC Cipher Algorithm With Explicit IV           2405*--------   Use of HMAC-SHA-1-96 within ESP and AH                  2404*--------   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   "data" URL scheme                                       2397CIDMID-URL Content-ID and Message-ID URLs                          2392IPCOMP     IP Payload Compression Protocol                         2393*IETF                        Standards Track                    [Page 10]

RFC 2500                   Internet Standards                  June 1999FTP-FNEGO  Feature negotiation mechanism for FTP                   2389--------   MIME Multipart/form-data                                2388MIME-RELAT MIME Multipart/Related Content-type                     2387--------   Protection of BGP Sessions via TCP MD5                  2385POP-URL    POP URL Scheme                                          2384--------   Interoperation of CLS and GS with ATM                   2381--------   RSVP over ATM Imple. Requirements                       2380--------   IPv6 Aggreg. Global Unicast Addr. Format                2374--------   IPv6 Addressing Architecture                            2373TIPV3      Transaction Internet Protocol V3                        2371OSPF-LSA   OSPF Opaque LSA Option                                  2370--------   Use of URLs as Meta-Syntax...2369URLMAILTO  mailto URL scheme                                       2368PPP-AAL    PPP Over AAL                                            2364PPP-FUNI   PPP Over FUNI                                           2363IMAP4UIDPL IMAP4 UIDPLUS Extension                                 2359--------   Ethernet-like Interface Types MIB                       2358MOBILIPREV Reverse Tunneling for Mobile IP                         2344IMAP4NAME  IMAP4 Namespace                                         2342VRRP       Virtual Router Redundancy Protocol                      2338NHRP-SCSP  Distributed NHRP Service Using SCSP                     2335SCSP       Server Cache Synchronization Protocol                   2334NHRP       NBMA Next Hop Resolution Protocol                       2332UNI-SIG    ATM Sig Support (IPOA) UNI Signalling                   2331SDP        Session Description Protocol                            2327RTSP       Real Time Streaming Protocol                            2326IPOA-MIB   Classical IP and ARP Over ATM MIB                       2320DNS-NCACHE Negative Caching of DNS Queries                         2308SMFAX-IM   Simple Mode of FAX Using Internet Mail                  2305MINFAX-IM  Minimal FAX addr format in Internet Mail                2304MIN-PSTN   Min. PSTN addr format in Internet Mail                  2303TIFF       Tag Image File Format                                   2302FFIF       File Format for Internet Fax                            2301EMF-MDN    Extensible Message Format for MDN                       2298OR-ADD     O/R Address hierarchy in X.500                          2294SUBTABLE   Tables and Subtrees in X.500                            2293--------   Mobile-IPv4 Config Opt for PPP IPCP                     2290SLM-APP    System-Level Managed Objects for Apps                   2287PPP-EAP    PPP Extensible Authentication Protocol                  2284MEXT-BGP4  Multiprotocol Extensions for BGP-4                      2283RPSL       Routing Policy Specification Language                   2280UTF-8      UTF-8 transformation format of ISO 10646                2279--------   IEEE 802.12 Repeater MIB                                2266AGENTX     Agent Extensibility Protocol                            2257--------   Summary of the X.500(96) with LDAPv3                    2256LDAP-URL   LDAP URL Format                                         2255STR-LDAP   String Rep of LDAP Search Filters                       2254LDAP3-UTF8 LDAPv3: UTF-8 String Rep                                2253IETF                        Standards Track                    [Page 11]

RFC 2500                   Internet Standards                  June 1999LDAP3-ATD  LDAP3-: Attribute Syntax Definitions                    2252LDAPV3     Lightweight Directory Access Protocol                   2251RTP-MPEG   RTP Payload Format for MPEG1/MPEG2                      2250MAIL-MIB   Mail Monitoring MIB                                     2249NSM-MIB    Network Services Monitoring MIB                         2248--------   Using Domains LDAP/X.500 Dist. Names                    2247SASL-ANON  Anonymous SASL Mechanism                                2245ACAP       Application Configuration Access                        2244OTP-ER     OTP Extended Responses                                  2243NETWAREIP  NetWare/IP Domain Name and Information                  2242DHCP-NDS   DHCP Options for Novell Directory Serv.                 2241MAUS-MIB   IEEE 802.3 Medium Attachment Units MIB                  2239HPR-MIB    Definitions of Managed Objects for HPR                  2238IGMP       Internet Group Management Protocol V2                   2236ABNF       Augmented BNF for Syntax Specifications                 2234INTERGRMIB Interfaces Group MIB                                    2233DLUR-MIB   Definitions of Managed Objects for DLUR                 2232MIME-EXT   MIME Parameter Value & Encoded Word Ext                 2231FTPSECEXT  FTP Security Extensions                                 2228---------  Simple Hit-Metering, Usage-Limiting HTTP                2227---------  IP Broadcast over ATM Networks                          2226SASL       Simple Authentication and Security Layer                2222IMAP4LOGIN IMAP4 Login Referrals                                   2221---------  Schema for Internet White Pages Service                 2218---------  Characterization Parameters for ISNE                    2215---------  Integrated Services MIB Guar Serv Ext                   2214---------  Integrated Services MIB using SMIv2                     2213GQOS       Spec. of Guaranteed Quality of Service                  2212---------  Spec. of Controlled-Load Net Ele Serv                   2211RSVP-IS    Use of RSVP with IETF Integrated Serv                   2210RSVP-MPR   RSVP Messaging Processing Rules                         2209RSVP-IPSEC RSVP Extensions for IPSEC Data Flows                    2207RSVP-MIB   RSVP Management Information Base                        2206RSVP       Resource ReSerVation Protocol V1                        2205RPCSEC-GSS RPCSEC_GSS Protocol Specification                       2203RTP-RAD    RTP Payload for Redundant Audio Data                    2198IMAPPOPAU  IMAP/POP AUTHorize Extension                            2195IMAP4MAIL  IMAP4 Mailbox Referrals                                 2193IMAP-URL   IMAP URL Scheme                                         2192---------  RTP Payload Format for H.263 Video ST                   2190---------  The Content-Disposition Header Field                    2183DNS-CLAR   Clarifications to the DNS Specification                 2181IMAP4-IDLE IMAP4 IDLE command                                      2177SLP        Service Location Protocol                               2165---------  X.500/LDAP Directory/MIXER Address Map.                 2164DNS-MCGAM  Using DNS to Distribute MCGAM                           2163---------  Carrying PostScript in X.400 and MIME                   2160---------  A MIME Body Part for FAX                                2159IETF                        Standards Track                    [Page 12]

RFC 2500                   Internet Standards                  June 1999---------  X.400 Image Body Parts                                  2158---------  Mapping between X.400 andRFC-822/MIME                  2157MIXER      Mime Internet X.400 Enhanced Relay                      2156APPN-MIB   Definitions of Managed Objects for APPN                 2155IPv6-Jumbo TCP and UDP over IPv6 Jumbograms                        2147MAIL-SERV  Mailbox Names for Common Services                       2142URN-SYNTAX URN Syntax                                              2141RADIUS     Remote Authentication Dial In Service                   2138SDNSDU     Secure Domain Name System Dynamic Update                2137DNS-UPDATE Dynamic Updates in the DNS                              2136DC-MIB     Dial Control MIB using SMIv2                            2128ISDN-MIB   ISDN MIB using SMIv2                                    2127ITOT       ISO Transport Service on top of TCP                     2126BAP-BACP   PPP-BAP, PPP-BACP                                       2125VEMMI-URL  VEMMI URL Specification                                 2122ROUT-ALERT IP Router Alert Option                                  2113MHTML      MIME E-mail Encapsulation                               2110HTTP-STATE HTTP State Management Mechanism                         2109802.3-MIB  802.3 Repeater MIB using SMIv2                          2108PPP-NBFCP  PPP NetBIOS Frames Control Protocol                     2097TABLE-MIB  IP Forwarding Table MIB                                 2096RIP-TRIG   Trigger RIP                                             2091IMAP4-LIT  IMAP4 non-synchronizing literals                        2088IMAP4-QUO  IMAP4 QUOTA extension                                   2087IMAP4-ACL  IMAP4 ACL Extension                                     2086HMAC-MD5   HMAC-MD5 IP Auth. with Replay Prevention                2085RIP2-MD5   RIP-2 MD5 Authentication                                2082RIPNG-IPV6 RIPng for IPv6                                          2080URI-ATT    URI Attribute Type and Object Class                     2079GSSAP      Generic Security Service Application                    2078MIME-MODEL Model Primary MIME Types                                2077RMON-MIB   Remote Network Monitoring MIB                           2074HTML-INT   HTML Internationalization                               2070DAA        Digest Access Authentication                            2069HTTP-1.1   Hypertext Transfer Protocol -- HTTP/1.1                 2068DNS-SEC    Domain Name System Security Extensions                  2065IMAPV4     Internet Message Access Protocol v4rev1                 2060URLZ39.50  Uniform Resource Locators for Z39.50                    2056SNANAU-APP SNANAU APPC MIB using SMIv2                             2051PPP-SNACP  PPP SNA Control Protocol                                2043ENTITY-MIB Entity MIB using SMIv2                                  2037RTP-JPEG   RTP Payload Format for JPEG-compressed                  2035SMTP-ENH   SMTP Enhanced Error Codes                               2034RTP-H.261  RTP Payload Format for H.261                            2032RTP-CELLB  RTP Payload Format of Sun's CellB                       2029SPKM       Simple Public-Key GSS-API Mechanism                     2025DLSW-MIB   DLSw MIB using SMIv2                                    2024IPV6-PPP   IP Version 6 over PPP                                   2023IETF                        Standards Track                    [Page 13]

RFC 2500                   Internet Standards                  June 1999MULTI-UNI  Multicast over UNI 3.0/3.1 based ATM                    2022RMON-MIB   RMON MIB using SMIv2                                    2021802.12-MIB IEEE 802.12 Interface MIB                               2020IPV6-FDDI  Transmission of IPv6 Packets Over FDDI                  2019TCP-ACK    TCP Selective Acknowledgement Options                   2018URL-ACC    URL Access-Type                                         2017MIME-PGP   MIME Security with PGP                                  2015MIB-UDP    SNMPv2 MIB for UDP                                      2013MIB-TCP    SNMPv2 MIB for TCP                                      2012MIB-IP     SNMPv2 MIB for IP                                       2011MOBILEIPMIBMobile IP MIB Definition using SMIv2                    2006MINI-IP    Minimal Encapsulation within IP                         2004IPENCAPIP  IP Encapsulation within IP                              2003MOBILEIPSUPIP Mobility Support                                     2002TCPSLOWSRT TCP Slow Start, Congestion Avoidance...2001BGP-COMM   BGP Communities Attribute                               1997DNS-NOTIFY Mech. for Notification of Zone Changes                  1996DNS-IZT    Incremental Zone Transfer in DNS                        1995SMTP-ETRN  SMTP Service Extension ETRN                             1985SNA        Serial Number Arithmetic                                1982MTU-IPV6   Path MTU Discovery for IP version 6                     1981PPP-FRAME  PPP in Frame Relay                                      1973IPV6-ETHER Transmission IPv6 Packets Over Ethernet                 1972PPP-ECP    PPP Encryption Control Protocol                         1968GSSAPI-KER Kerberos Version 5 GSS-API Mechanism                    1964PPP-CCP    PPP Compression Control Protocol                        1962GSSAPI-SOC GSS-API Auth for SOCKS Version 5                        1961LDAP-STR   String Rep. of LDAP Search Filters                      1960LDAP-URL   LDAP URL Format                                         1959TRANS-IPV6 Transition Mechanisms IPv6 Hosts/Routers                1933AUTH-SOCKS Username Authentication for SOCKS V5                    1929SOCKSV5    SOCKS Protocol Version 5                                1928WHOIS++M   How to Interact with a Whois++ Mesh                     1914WHOIS++A   Architecture of Whois++ Index Service                   1913DSN        Delivery Status Notifications                           1894EMS-CODE   Enhanced Mail System Status Codes                       1893MIME-RPT   Multipart/Report                                        1892SMTP-DSN   SMTP Delivery Status Notifications                      1891RTP-AV     RTP Audio/Video Profile                                 1890RTP        Transport Protocol for Real-Time Apps                   1889DNS-IPV6   DNS Extensions to support IPv6                          1886HTML       Hypertext Markup Language - 2.0                         1866MIME-Sec   MIME Object Security Services                           1848MIME-Encyp MIME: Signed and Encrypted                              1847WHOIS++    Architecture of the WHOIS++ service                     1835--------   Binding Protocols for ONC RPC Version 2                 1833XDR        External Data Representation Standard                   1832RPC        Remote Procedure Call Protocol V. 2                     1831IETF                        Standards Track                    [Page 14]

RFC 2500                   Internet Standards                  June 1999--------   ESP DES-CBC Transform                                   1829--------   IP Authentication using Keyed MD5                       1828ESP        IP Encapsulating Security Payload                       1827IPV6-AH    IP Authentication Header                                1826--------   Security Architecture for IP                            1825R          Requirements for IP Version 4 Routers                   1812URL        Relative Uniform Resource Locators                      1808CLDAP      Connection-less LDAP                                    1798OSPF-DC    Ext. OSPF to Support Demand Circuits                    1793OSI-Dir    OSI User Friendly Naming ...1781MIME-EDI   MIME Encapsulation of EDI Objects                       1767Lang-Tag   Tags for Identification of Languages                    1766XNSCP      PPP XNS IDP Control Protocol                            1764BVCP       PPP Banyan Vines Control Protocol                       1763Print-MIB  Printer MIB                                             1759ATM-SIG    ATM Signaling Support for IP over ATM                   1755IPNG       Recommendation for IP Next Generation                   1752802.5-SSR  802.5 SSR MIB using SMIv2                               1749SDLCSMIv2  SNADLC SDLC MIB using SMIv2                             1747BGP4/IDRP  BGP4/IDRP for IP/OSPF Interaction                       1745AT-MIB     Appletalk MIB                                           1742MacMIME    MIME Encapsulation of Macintosh files                   1740URL        Uniform Resource Locators                               1738POP3-AUTH  POP3 AUTHentication command                             1734IMAP4-AUTH IMAP4 Authentication Mechanisms                         1731RDBMS-MIB  RDMS MIB - using SMIv2                                  1697MODEM-MIB  Modem MIB - using SMIv2                                 1696ATM-MIB    ATM Management Version 8.0 using SMIv2                  1695TMUX       Transport Multiplexing Protocol                         1692SNANAU-MIB SNA NAUs MIB using SMIv2                                1666PPP-TRANS  PPP Reliable Transmission                               1663--------   Postmaster Convention X.400 Operations                  1648PPP-BCP    PPP Bridging Control Protocol                           1638UPS-MIB    UPS Management Information Base                         1628PPP-SONET  PPP over SONET/SDH                                      1619PPP-ISDN   PPP over ISDN                                           1618DNS-R-MIB  DNS Resolver MIB Extensions                             1612DNS-S-MIB  DNS Server MIB Extensions                               1611FR-MIB     Frame Relay Service MIB                                 1604PPP-X25    PPP in X.25                                             1598OSPF-NSSA  The OSPF NSSA Option                                    1587OSPF-Multi Multicast Extensions to OSPF                            1584SONET-MIB  MIB SONET/SDH Interface Type                            1595RIP-DC     Extensions to RIP to Support Demand Cir.                1582--------   Evolution of the Interfaces Group of MIB-II Elective    1573TOPT-ENVIR Telnet Environment Option                               1572PPP-LCP    PPP LCP Extensions                                      1570X500-MIB   X.500 Directory Monitoring MIB                          1567IETF                        Standards Track                    [Page 15]

RFC 2500                   Internet Standards                  June 1999CIPX       Compressing IPX Headers Over WAM Media                  1553IPXCP      PPP Internetworking Packet Exchange Control Elective    1552SRB-MIB    Source Routing Bridge MIB                               1525CIDR-STRA  CIDR Address Assignment...1519CIDR-ARCH  CIDR Architecture...1518--------   802.3 MAU MIB                                           1515HOST-MIB   Host Resources MIB                                      1514--------   Token Ring Extensions to RMON MIB                       1513FDDI-MIB   FDDI Management Information Base                        1512KERBEROS   Kerberos Network Authentication Ser (V5)                1510GSSAPI     Generic Security Service API: C-bindings                1509DASS       Distributed Authentication Security...1507--------   X.400 Use of Extended Character Sets                    1502HARPOON    Rules for Downgrading Messages...1496Equiv      X.400/MIME Body Equivalences                            1494IDPR       Inter-Domain Policy Routing Protocol                    1479IDPR-ARCH  Architecture for IDPR                                   1478PPP/Bridge MIB Bridge PPP MIB                                      1474PPP/IP MIB  IP Network Control Protocol of PPP MIB                 1473PPP/SEC MIB Security Protocols of PPP MIB                          1472PPP/LCP MIB Link Control Protocol of PPP MIB                       1471X25-MIB    Multiprotocol Interconnect on X.25 MIB                  1461SNMPv2     Introduction to SNMPv2                                  1441PEM-KEY    PEM - Key Certification                                 1424PEM-ALG    PEM - Algorithms, Modes, and Identifiers                1423PEM-CKM    PEM - Certificate-Based Key Management                  1422PEM-ENC    PEM - Message Encryption and Auth                       1421SNMP-IPX   SNMP over IPX                                           1420SNMP-AT    SNMP over AppleTalk                                     1419SNMP-OSI   SNMP over OSI                                           1418FTP-FTAM   FTP-FTAM Gateway Specification                          1415IDENT-MIB  Identification MIB                                      1414IDENT      Identification Protocol                                 1413DS3/E3-MIB DS3/E3 Interface Type                                   1407DS1/E1-MIB DS1/E1 Interface Type                                   1406BGP-OSPF   BGP OSPF Interaction                                    1403--------   Route Advertisement In BGP2 And BGP3                    1397SNMP-X.25  SNMP MIB Extension for X.25 Packet Layer                1382SNMP-LAPB  SNMP MIB Extension for X.25 LAPB                        1381PPP-ATCP   PPP AppleTalk Control Protocol                          1378PPP-OSINLCP PPP OSI Network Layer Control Protocol                 1377TOPT-RFC   Remote Flow Control                                     1372SNMP-PARTY-MIB Administration of SNMP                              1353SNMP-SEC   SNMP Security Protocols                                 1352SNMP-ADMIN SNMP Administrative Model                               1351TOS        Type of Service in the Internet                         1349PPP-IPCP   PPP Control Protocol                                    1332-------    X.400 1988 to 1984 downgrading                          1328IETF                        Standards Track                    [Page 16]

RFC 2500                   Internet Standards                  June 1999TCP-EXT    TCP Extensions for High Performance                     1323NETFAX     File Format for the Exchange of Images                  1314FDDI-MIB   FDDI-MIB                                                1285-------    Encoding Network Addresses                              1277-------    Replication and Distributed Operations                  1276-------    COSINE and Internet X.500 Schema                        1274BGP-MIB    Border Gateway Protocol MIB (Version 3)                 1269ICMP-ROUT  ICMP Router Discovery Messages                          1256OSI-UDP    OSI TS on UDP                                           1240STD-MIBs   Reassignment of Exp MIBs to Std MIBs                    1239IPX-IP     Tunneling IPX Traffic through IP Nets                   1234IS-IS      OSI IS-IS for TCP/IP Dual Environments                  1195IP-CMPRS   Compressing TCP/IP Headers                              1144TOPT-XDL   X Display Location                                      1096TOPT-TERM  Terminal Type                                           1091TOPT-TS    Terminal Speed                                          1079TOPT-NAWS  Negotiate About Window Size                             1073TOPT-X.3   X.3 PAD                                                 1053TOPT-DATA  Data Entry Terminal                                     1043TOPT-3270  Telnet 3270 Regime                                      1041NNTP       Network News Transfer Protocol                           977TOPT-TLN   Terminal Location Number                                 946TOPT-OM    Output Marking                                           933TOPT-TACACS  TACACS User Identification                             927TOPT-EOR   End of Record                                            885TOPT-SNDL  Send Location                                            779TOPT-SUPO  SUPDUP Output                                            749TOPT-SUP   SUPDUP                                                   736TOPT-BYTE  Byte Macro                                               735TOPT-REM   Remote Controlled Trans and Echo                         726TOPT-LOGO  Logout                                                   727TOPT-EXT   Extended ASCII                                           698[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]IETF                        Standards Track                    [Page 17]

RFC 2500                   Internet Standards                  June 19992.5.  Experimental ProtocolsProtocol   Name                                                     RFC========   =====================================                   =====-------    NewReno Modification to TCP's Fast Recovery Algorithm   2582*-------    Mapping between LPD and IPP Protocols                   2569*IPP-RAT    Rationale for the Structure of IPP                      2568*IPP-DG     Design Goals for an Internet Printing Protocol          2567*IPP-M-S    Internet Printing Protocol/1.0: Model and Semantics     2566*IPP-E-T    Internet Printing Protocol/1.0: Encoding and Transport  2565*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*IPPM-MET   IPPM Metrics for Measuring Connectivity                 2498*-------    URI Resolution Services                                 2483*ECN-IP     Explicit Congestion Notification (ECN) to IP            2481*-------    IPv6 Testing Address Allocation                         2471*TCP-WIN    Increasing TCP's Initial Window                         2414PIM-SM     Protocol Independent Multicast-Sparse Mode              2362-------    Domain Names and Company Name Retrieva                  2345RTP-MPEG   RTP Payload Format for Bundled MPEG                     2343-------    Intra-LIS IP Multicast/Routers over ATM using PIM       2337-------    Safe Response Header Field                              2310LDAP-NIS   Approach Using LDAP as a Network Information Service    2307HTTP-RVSA  HTTP Remote Variant Selection Algorithm                 2296TCN-HTTP   Transparent Content Negotiation in HTTP                 2295TOPT-COMPORT Telnet Com Port Control                               2217-------    Core Based Trees (CBT) Multicast Routing Architecture   2201-------    Core Based Trees (CBT version 2) Multicast Routing      2189-------    Trivial Convention using HTTP in URN Resolution         2169-------    Resolution of URIs using DNS                            2168MAP-MAIL   X.400 Mapping and Mail-11                               2162MIME-ODA   A MIME Body Part for ODA                                2161OSPF-DIG   OSPF with Digital Signature                             2154GKMP-ARCH  Group Key Management Protocol (GKMP) Architecture       2094GKMP-SPEC  Group Key Management Protocol (GKMP) Specification      2093TOPT-CHARSET Telnet CHARSET                                        2066IP-SCSI    Encapsulating IP with the SCSI                          2143X.500-NAME Managing the X.500 Root Naming Context                  2120TFTP-MULTI TFTP Multicast Option                                   2090IP-Echo    IP Echo Host Service                                    2075METER-MIB  Traffic Flow Measurement Meter MIB                      2064TFM-ARCH   Traffic Flow Measurement Architecture                   2063DNS-SRV    Location of Services in the DNS                         2052URAS       Uniform Resource Agents                                 2016GPS-AR     GPS-Based Addressing and Routing                        2009IETF                        Standards Track                    [Page 18]

RFC 2500                   Internet Standards                  June 1999ETFTP      Enhanced Trivial File Transfer Protocol                 1986BGP-RR     BGP Route Reflection                                    1966BGP-ASC    Autonomous System Confederations for BGP                1965SMKD       Scalable Multicast Key Distribution                     1949HTML-TBL   HTML Tables                                             1942SNMPV2SM   User-based Security Model for SNMPv2                    1910SNMPV2AI   SNMPv2 Administrative Infrastructure                    1909SNMPV2CB   Introduction to Community-based SNMPv2                  1901-------    IPv6 Testing Address Allocation                         1897DNS-LOC    Location Information in the DNS                         1876SGML-MT    SGML Media Types                                        1874CONT-MT    Access Type Content-ID                                  1873UNARP      ARP Extension - UNARP                                   1868-------    Form-based File Upload in HTML                          1867-------    BGP/IDRP Route Server Alternative                       1863-------    IP Authentication using Keyed SHA                       1852ESP3DES    ESP Triple DES Transform                                1851-------    SMTP 521 Reply Code                                     1846-------    SMTP Serv. Ext. for Checkpoint/Restart                  1845-------    SMTP Serv. Ext. Large and Binary MIME Msgs.             1830ST2        Stream Protocol Version 2                               1819-------    Content-Disposition Header                              1806-------    Schema Publishing in X.500 Directory                    1804-------    X.400-MHS use X.500 to support X.400-MHS Routing        1801-------    Class A Subnet Experiment                               1797TCP/IPXMIB TCP/IPX Connection Mib Specification                    1792-------    TCP And UDP Over IPX Networks With Fixed Path MTU       1791ICMP-DM    ICMP Domain Name Messages                               1788CLNP-MULT  Host Group Extensions for CLNP Multicasting             1768OSPF-OVFL  OSPF Database Overflow                                  1765RWP        Remote Write ProtocolL - Version 1.0                    1756NARP       NBMA Address Resolution Protocol                        1735DNS-ENCODE DNS Encoding of Geographical Location                   1712TCP-POS    An Extension to TCP: Partial Order Service              1693T/TCP      TCP Extensions for Transactions                         1644MIME-UNI   Using Unicode with MIME                                 1641FOOBAR     FTP Operation Over Big Address Records                  1639X500-CHART Charting Networks in the X.500 Directory                1609X500-DIR   Representing IP Information in the X.500 Directory      1608SNMP-DPI   SNMP Distributed Protocol Interface                     1592CLNP-TUBA  Use of ISO CLNP in TUBA Environments                    1561REM-PRINT  TPC.INT Subdomain Remote Printing - Technical           1528EHF-MAIL   Encoding Header Field for Internet Messages             1505RAP        Internet Route Access Protocol                          1476TP/IX      TP/IX: The Next Internet                                1475X400       Routing Coordination for X.400 Services                 1465DNS        Storing Arbitrary Attributes in DNS                     1464IRCP       Internet Relay Chat Protocol                            1459IETF                        Standards Track                    [Page 19]

RFC 2500                   Internet Standards                  June 1999TOS-LS     Link Security TOS                                       1455SIFT/UFT   Sender-Initiated/Unsolicited File Transfer              1440DIR-ARP    Directed ARP                                            1433TOPT-AUTH  Telnet Authentication Option                            1416TEL-SPX    Telnet Authentication: SPX                              1412TEL-KER    Telnet Authentication: Kerberos V4                      1411TRACE-IP   Traceroute Using an IP Option                           1393DNS-IP     Experiment in DNS Based IP Routing                      1383RMCP       Remote Mail Checking Protocol                           1339TCP-HIPER  TCP Extensions for High Performance                     1323MSP2       Message Send Protocol 2                                 1312DSLCP      Dynamically Switched Link Control                       1307--------   X.500 and Domains                                       1279IN-ENCAP   Internet Encapsulation Protocol                         1241CLNS-MIB   CLNS-MIB                                                1238CFDP       Coherent File Distribution Protocol                     1235IP-AX.25   IP Encapsulation of AX.25 Frames                        1226ALERTS     Managing Asynchronously Generated Alerts                1224MPP        Message Posting Protocol                                1204SNMP-BULK  Bulk Table Retrieval with the SNMP                      1187DNS-RR     New DNS RR Definitions                                  1183IMAP2      Interactive Mail Access Protocol                        1176NTP-OSI    NTP over OSI Remote Operations                          1165DMF-MAIL   Digest Message Format for Mail                          1153RDP        Reliable Data Protocol                              908,1151TCP-ACO    TCP Alternate Checksum Option                           1146IP-DVMRP   IP Distance Vector Multicast Routing                    1075VMTP       Versatile Message Transaction Protocol                  1045COOKIE-JAR Authentication Scheme                                   1004NETBLT     Bulk Data Transfer Protocol                              998IRTP       Internet Reliable Transaction Protocol                   938LDP        Loader Debugger Protocol                                 909RLP        Resource Location Protocol                               887NVP-II     Network Voice Protocol                              ISI-memoPVP        Packet Video Protocol                               ISI-memo[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]IETF                        Standards Track                    [Page 20]

RFC 2500                   Internet Standards                  June 19993. Current Applicability StatementsRFC1122 - Requirements for Internet hosts - communication layers             (STD 3)RFC1123 - Requirements for Internet hosts - application and support             (STD 3)RFC1370 - Applicability Statement for OSPFRFC1517 - Applicability Statement for the Implementation of Classless             Inter-Domain Routing (CIDR)RFC1722 - RIP Version 2 Protocol Applicability StatementRFC1923 - RIPv1 Applicability Statement for Historic StatusRFC2005 - Applicability Statement for IP Mobility SupportRFC2039 - Applicability of Standards Track MIBs to Management of             World Wide Web ServersRFC2081 - RIPng Protocol Applicability StatementRFC2208 - Resource ReSerVation Protocol (RSVP) -- Version 1             Applicability Statement - Some Guidelines on DeploymentRFC2333 - NHRP Protocol Applicability StatementRFC2556 - OSI connectionless transport services on top of UDP             Applicability Statement for Historic StatusIETF                        Standards Track                    [Page 21]

RFC 2500                   Internet Standards                  June 19994.  Non-Standard Protocols4.1.  Informational ProtocolsPlease note that there are informational RFCs that do not specifyprotocols and are not listed here.Protocol   Name                                                     RFC=======    ====================================                    =====AUDIO/L16  Audio/L16 MIME content type                             2586*FTP-SEC    FTP Security Considerations                             2577*--------   6Bone Routing Practice                                  2546*DNS-SOC    DNS Security Operational Considerations                 2541*--------   Internet X.509 Public Key Infrastructure KEA            2528*--------   Internet X.509 Public Key Infrastructure CP & CPF       2527*--------   Known TCP Implementation Problems                       2525*EMSD       Neda's Efficient Mail Submission and Delivery Protocol  2524*IDRA       Framework for Inter-Domain Route Aggregation            2519*PPPOE      Method for Transmitting PPP Over Ethernet               2516*--------   MIME Types for Use with the ISO ILL Protocol            2503*MANET      Mobile Ad hoc Networking Performance Issues             2501*--------   ST2+ over ATM Protocol Spec - UNI 3.1 Version           2383--------   Mapping Airline Reservation, Ticketing, Messaging       2351KOI8-U     Ukrainian Character Set KOI8-U                          2319TEXT-CSS   The text/css Media Type                                 2318PKCS-7     PKCS #7: Cryptographic Message Syntax Version 1.5       2315PKCS-10    PKCS #10: Certification Request Syntax Version 1.5      2314PKCS-1     PKCS #1: RSA Encryption Version 1.5                     2313SMIME-CERT S/MIME Version 2 Certificate Handling                   2312SMIME-MSG  S/MIME Version 2 Message Specification                  2311TIFF       Tag Image File Format F Profile for Facsimile           2302GSMP       Ipsilon's General Switch Management Protocol            2297HSRP       Cisco Hot Standby Router Protocol (HSRP)                2281RC2-ENCRP  A Description of the RC2(r) Encryption Algorithm        2268SNQP       Simple Nomenclator Query Protocol                       2259--------   Japanese Character Encoding for Internet Messages       2237KEYX-DNS   Key Exchange Delegation Record for the DNS              2230DSP        A Dictionary Server Protocol                            2229NFS-URL    NFS URL Scheme                                          2224APP-MARC   The Application/MARC Content-type                       2220ODETTE-FTP ODETTE File Transfer Protocol                           2204ESRO       AT&T/Neda's Efficient Short Remote Operations Protocol  2188ICP        Internet Cache Protocol Version 2                       2186IPV4-MAPOS IPv4 over MAPOS Version 1                               2176MAPOS-SONET Multiple Access Protocol over SONET/SDH Version 1      2171RWHOIS     Referral Whois Protocol                                 2167PPP-EXT    PPP Vendor Extensions                                   2153UTF-7      UTF-7                                                   2152IETF                        Standards Track                    [Page 22]

RFC 2500                   Internet Standards                  June 1999CAST-128   CAST-128 Encryption Algorithm                           2144RADIUS-ACC RADIUS Accounting                                       2139DLSCAP     Data Link Switching Client Access Protocol              2114PNG        Portable Network Graphics Version 1.0                   2083RC5        RC5, RC5-CBC, RC5-CBC-Pad, and RC5-CTS Algorithms       2040SNTP       Simple Network Time Protocol v4 for IPv4, IPv6 and OSI  2030PGP-MEF    PGP Message Exchange Formats                            1991PPP-DEFL   PPP Deflate Protocol                                    1979PPP-PRED   PPP Predictor Compression Protocol                      1978PPP-BSD    PPP BSD Compression Protocol                            1977PPP-DCE    PPP for Data Compression in DCE                         1976PPP-MAG    PPP Magnalink Variable Resource Compression             1975PPP-STAC   PPP Stac LZS Compression Protocol                       1974GZIP       GZIP File Format Specification Version 4.3              1952DEFLATE    DEFLATE Compressed Data Format Specification V. 1.3     1951ZLIB       ZLIB Compressed Data Format Specification V. 3.3        1950HTTP-1.0   Hypertext Transfer Protocol -- HTTP/1.0                 1945--------   text/enriched MIME Content-type                         1896--------   Application/CALS-1840 Content-type                      1895--------   PPP IPCP Extensions for Name Server Addresses           1877SNPP       Simple Network Paging Protocol - Version 2              1861--------   ISO Transport Class 2 Non-use Explicit Flow Control     1859           over TCPRFC1006 extension--------   IP in IP Tunneling                                      1853--------   PPP Network Control Protocol for LAN Extension          1841TESS       The Exponential Security System                         1824NFSV3      NFS Version 3 Protocol Specification                    1813--------   A Format for Bibliographic Records                      1807-------    Data Link Switching: Switch-to-Switch Protocol          1795BGP-4      Experience with the BGP-4 Protocol                      1773SDMD       IPv4 Option for Sender Directed MD Delivery             1770SNOOP      Snoop Version 2 Packet Capture File Format              1761BINHEX     MIME Content Type for BinHex Encoded Files              1741DNS-NSAP   DNS NSAP Resource Records                               1706RADIO-PAGE TPC.INT Subdomain: Radio Paging -- Technical Procedures 1703GRE-IPv4   Generic Routing Encapsulation over IPv4                 1702GRE        Generic Routing Encapsulatio                            1701ADSNA-IP   Advanced SNA/IP: A Simple SNA Transport Protocol        1538TACACS     Terminal Access Control Protocol                        1492MD4        MD4 Message Digest Algorithm                            1320SUN-NFS    Network File System Protocol                            1094SUN-RPC    Remote Procedure Call Protocol Version 2                1057GOPHER     The Internet Gopher Protocol                            1436LISTSERV   Listserv Distribute Protocol                            1429-------    Replication Requirements                                1275PCMAIL     Pcmail Transport Protocol                               1056MTP        Multicast Transport Protocol                            1301BSD Login  BSD Login                                               1282IETF                        Standards Track                    [Page 23]

RFC 2500                   Internet Standards                  June 1999DIXIE      DIXIE Protocol Specification                            1249IP-X.121   IP to X.121 Address Mapping for DDN                     1236OSI-HYPER  OSI and LLC1 on HYPERchannel                            1223HAP2       Host Access Protocol                                    1221SUBNETASGN On the Assignment of Subnet Numbers                     1219SNMP-TRAPS Defining Traps for use with SNMP                        1215DAS        Directory Assistance Service                            1202LPDP       Line Printer Daemon Protocol                            1179[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]4.2.  Historic ProtocolsProtocol   Name                                                RFC  STD========   =====================================              ===== ===CONTENT    Content Type Header Field                          1049  11 *IPV6-UNI   IPv6 Provider-Based Unicast Address                2073IPV6-Addr  IPv6 Addressing Architecture                       1884L2F        Cisco Layer Two Forwarding Protocol                2341IPSO       DoD Security Options for IP                        1108SNMPv2     Manager-to-Manager MIB                             1451SNMPv2     Party MIB for SNMPv2                               1447SNMPv2     Security Protocols for SNMPv2                      1446SNMPv2     Administrative Model for SNMPv2                    1445RIP        Routing Information Protocol                       1058  34--------   Mapping full 822 to Restricted 822                 1137BGP3       Border Gateway Protocol 3 (BGP-3)             1267,1268--------   Gateway Requirements                               1009   4EGP        Exterior Gateway Protocol                           904  18SNMP-MUX   SNMP MUX Protocol and MIB                          1227OIM-MIB-II OSI Internet Management: MIB-II                    1214IMAP3      Interactive Mail Access Protocol Version 3         1203SUN-RPC    Remote Procedure Call Protocol Version 1           1050802.4-MIP  IEEE 802.4 Token Bus MIB                           1230CMOT       Common Management Information Services             1189--------   Mail Privacy: Procedures                           1113--------   Mail Privacy: Key Management                       1114--------   Mail Privacy: Algorithms                           1115NFILE      A File Access Protocol                             1037HOSTNAME   HOSTNAME Protocol                                   953SFTP       Simple File Transfer Protocol                       913SUPDUP     SUPDUP Protocol                                     734BGP        Border Gateway Protocol                       1163,1164MIB-I      MIB-I                                              1156TOPT-ENVIR Telnet Environment Option                          1408SGMP       Simple Gateway Monitoring Protocol                 1028HEMS       High Level Entity Management Protocol              1021IETF                        Standards Track                    [Page 24]

RFC 2500                   Internet Standards                  June 1999STATSRV    Statistics Server                                   996POP2       Post Office Protocol, Version 2                     937RATP       Reliable Asynchronous Transfer Protocol             916HFEP       Host - Front End Protocol                           929THINWIRE   Thinwire Protocol                                   914HMP        Host Monitoring Protocol                            869GGP        Gateway Gateway Protocol                            823RTELNET    Remote Telnet Service                               818CLOCK      DCNET Time Server Protocol                          778MPM        Internet Message Protocol                           759NETRJS     Remote Job Service                                  740TOPT-OLD   Output Linefeed Disposition                         658TOPT-OVTD  Output Vertical Tab Disposition                     657TOPT-OVT   Output Vertical Tabstops                            656TOPT-OFD   Output Formfeed Disposition                         655TOPT-OHTD  Output Horizontal Tab Disposition                   654TOPT-OHT   Output Horizontal Tabstops                          653TOPT-OCRD  Output Carriage-Return Disposition                  652NETED      Network Standard Text Editor                        569RJE        Remote Job Entry                                    407XNET       Cross Net Debugger                              IEN-158NAMESERVER Host Name Server Protocol                       IEN-116MUX        Multiplexing Protocol                            IEN-90GRAPHICS   Graphics Protocol                             NIC-24308[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]5.  Contacts5.1.  IAB, IETF, and IRTF Contacts   Internet Architecture Board (IAB) Contact: www.iab.org   Internet Engineering Task Force (IETF) Contact: www.ietf.org   Internet Research Task Force (IRTF) Contact: www.irtf.org5.2.  Internet Assigned Numbers Authority Contact      See: www.iana.org      How to obtain the most recent edition of this "Internet Official      Protocol Standards" memo:         The file "in-notes/std/std1.txt" may be copied via FTP from the         FTP.ISI.EDU computer using the FTP username "anonymous" and FTP         password "guest".IETF                        Standards Track                    [Page 25]

RFC 2500                   Internet Standards                  June 19995.3.  Request for Comments Editor Contact      See: www.rfc-editor.org   Documents may be submitted via electronic mail to the RFC Editor for   consideration for publication as RFC.  If you are not familiar with   the format or style requirements please request the "Instructions for   RFC Authors".  In general, the style of any recent RFC may be used as   a guide.5.4.  Requests for Comments Distribution Contact   RFCs can be obtained via FTP from FTP.ISI.EDU, with the pathname in-   notes/rfcnnnn.txt (where "nnnn" refers to the number of the RFC).   Login with FTP username "anonymous" and password "name@host.domain".   RFCs can also be obtained via electronic mail from ISI.EDU by using   the RFC-INFO service.  Address the request to "rfc-info@isi.edu" with   a message body of:           Retrieve: RFC              Doc-ID: RFCnnnn   (Where "nnnn" refers to the number of the RFC (always use 4 digits -   the DOC-ID ofRFC 822 is "RFC0822")).  The RFC-INFO@ISI.EDU server   provides other ways of selecting RFCs based on keywords and such; for   more information send a message to "rfc-info@isi.edu" with the   message body "help: help".   contact: RFC-Manager@ISI.EDU5.5.  Sources for Requests for Comments   Details on many sources of RFCs via FTP or EMAIL may be obtained by   sending an EMAIL message to "rfc-info@ISI.EDU" with the message body   "help: ways_to_get_rfcs".  For example:           To: rfc-info@ISI.EDU           Subject: getting rfcs           help: ways_to_get_rfcs6.  Security Considerations   This memo does not affect the technical security of the Internet, but   it does cite a number of important security specifications.IETF                        Standards Track                    [Page 26]

RFC 2500                   Internet Standards                  June 19997.  Editors' Addresses   Joyce K. Reynolds   USC/Information Sciences Institute   4676 Admiralty Way   Marina del Rey, CA 90292   Phone: +1 310-822-1511   Fax:   +1 310-823-6714   EMail: JKRey@ISI.EDU   Robert Braden   USC/Information Sciences Institute   4676 Admiralty Way   Marina del Rey, CA 90292   Phone: +1 310-822-1511   Fax:   +1 310-823-6714   EMail: Braden@ISI.EDUIETF                        Standards Track                    [Page 27]

RFC 2500                   Internet Standards                  June 1999Full Copyright Statement   Copyright (C) The Internet Society (1999).  All Rights Reserved.   This document and translations of it may be copied and furnished to   others, and derivative works that comment on or otherwise explain it   or assist in its implementation may be prepared, copied, published   and distributed, in whole or in part, without restriction of any   kind, provided that the above copyright notice and this paragraph are   included on all such copies and derivative works.  However, this   document itself may not be modified in any way, such as by removing   the copyright notice or references to the Internet Society or other   Internet organizations, except as needed for the purpose of   developing Internet standards in which case the procedures for   copyrights defined in the Internet Standards process must be   followed, or as required to translate it into languages other than   English.   The limited permissions granted above are perpetual and will not be   revoked by the Internet Society or its successors or assigns.   This document and the information contained herein is provided on an   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.Acknowledgement   Funding for the RFC Editor function is currently provided by the   Internet Society.IETF                        Standards Track                    [Page 28]

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