========================================================================= Request For Comment (RFC) Status: INTERNET STANDARD SWITCHmirror: http://mirror.switch.ch/rfc/ ftp://mirror.switch.ch/doc/standard/rfc/ ------------------------------------------------------------------------- Name Subject ------------------------------------------------------------------------- 7296 Internet Key Exchange Protocol Version 2 (IKEv2). C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen. October 2014. (Format: TXT=354358 bytes) (Obsoletes RFC5996) (Updated by RFC7427) (Also STD0079) (Status: INTERNET STANDARD) 7011 Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of Flow Information. B. Claise, Ed., B. Trammell, Ed., P. Aitken. September 2013. (Format: TXT=170852 bytes) (Obsoletes RFC5101) (Also STD0077) (Status: INTERNET STANDARD) 6891 Extension Mechanisms for DNS (EDNS(0)). J. Damas, M. Graff, P. Vixie. April 2013. (Format: TXT=32856 bytes) (Obsoletes RFC2671, RFC2673) (Also STD0075) (Status: INTERNET STANDARD) 6522 The Multipart/Report Media Type for the Reporting of Mail System Administrative Messages. M. Kucherawy, Ed.. January 2012. (Format: TXT=15715 bytes) (Obsoletes RFC3462) (Updated by RFC6533) (Also STD0073) (Status: INTERNET STANDARD) 6409 Message Submission for Mail. R. Gellens, J. Klensin. November 2011. (Format: TXT=40153 bytes) (Obsoletes RFC4409) (Also STD0072) (Status: INTERNET STANDARD) 6376 DomainKeys Identified Mail (DKIM) Signatures. D. Crocker, Ed., T. Hansen, Ed., M. Kucherawy, Ed.. September 2011. (Format: TXT=176999 bytes) (Obsoletes RFC4871, RFC5672) (Also STD0076) (Status: INTERNET STANDARD) 6353 Transport Layer Security (TLS) Transport Model for the Simple Network Management Protocol (SNMP). W. Hardaker. July 2011. (Format: TXT=148571 bytes) (Obsoletes RFC5953) (Also STD0078) (Status: INTERNET STANDARD) 6152 SMTP Service Extension for 8-bit MIME Transport. J. Klensin, N. Freed, M. Rose, D. Crocker, Ed.. March 2011. (Format: TXT=13034 bytes) (Obsoletes RFC1652) (Also STD0071) (Status: INTERNET STANDARD) 5734 Extensible Provisioning Protocol (EPP) Transport over TCP. S. Hollenbeck. August 2009. (Format: TXT=27887 bytes) (Obsoletes RFC4934) (Also STD0069) (Status: INTERNET STANDARD) 5733 Extensible Provisioning Protocol (EPP) Contact Mapping. S. Hollenbeck. August 2009. (Format: TXT=80698 bytes) (Obsoletes RFC4933) (Also STD0069) (Status: INTERNET STANDARD) 5732 Extensible Provisioning Protocol (EPP) Host Mapping. S. Hollenbeck. August 2009. (Format: TXT=56219 bytes) (Obsoletes RFC4932) (Also STD0069) (Status: INTERNET STANDARD) 5731 Extensible Provisioning Protocol (EPP) Domain Name Mapping. S. Hollenbeck. August 2009. (Format: TXT=87764 bytes) (Obsoletes RFC4931) (Also STD0069) (Status: INTERNET STANDARD) 5730 Extensible Provisioning Protocol (EPP). S. Hollenbeck. August 2009. (Format: TXT=134464 bytes) (Obsoletes RFC4930) (Also STD0069) (Status: INTERNET STANDARD) 5652 Cryptographic Message Syntax (CMS). R. Housley. September 2009. (Format: TXT=126813 bytes) (Obsoletes RFC3852) (Also STD0070) (Status: INTERNET STANDARD) 5591 Transport Security Model for the Simple Network Management Protocol (SNMP). D. Harrington, W. Hardaker. June 2009. (Format: TXT=61747 bytes) (Also STD0078) (Status: INTERNET STANDARD) 5590 Transport Subsystem for the Simple Network Management Protocol (SNMP). D. Harrington, J. Schoenwaelder. June 2009. (Format: TXT=84513 bytes) (Updates RFC3411, RFC3412, RFC3414, RFC3417) (Also STD0078) (Status: INTERNET STANDARD) 5343 Simple Network Management Protocol (SNMP) Context EngineID Discovery. J. Schoenwaelder. September 2008. (Format: TXT=19938 bytes) (Updates RFC3411) (Also STD0078) (Status: INTERNET STANDARD) 5234 Augmented BNF for Syntax Specifications: ABNF. D. Crocker, Ed., P. Overell. January 2008. (Format: TXT=26359 bytes) (Obsoletes RFC4234) (Updated by RFC7405) (Also STD0068) (Status: INTERNET STANDARD) 5011 Automated Updates of DNS Security (DNSSEC) Trust Anchors. M. StJohns. September 2007. (Format: TXT=30138 bytes) (Also STD0074) (Status: INTERNET STANDARD) 4506 XDR: External Data Representation Standard. M. Eisler, Ed.. May 2006. (Format: TXT=55477 bytes) (Obsoletes RFC1832) (Also STD0067) (Status: INTERNET STANDARD) 3986 Uniform Resource Identifier (URI): Generic Syntax. T. Berners-Lee, R. Fielding, L. Masinter. January 2005. (Format: TXT=141811 bytes) (Obsoletes RFC2732, RFC2396, RFC1808) (Updates RFC1738) (Updated by RFC6874, RFC7320) (Also STD0066) (Status: INTERNET STANDARD) 3629 UTF-8, a transformation format of ISO 10646. F. Yergeau. November 2003. (Format: TXT=33856 bytes) (Obsoletes RFC2279) (Also STD0063) (Status: INTERNET STANDARD) 3551 RTP Profile for Audio and Video Conferences with Minimal Control. H. Schulzrinne, S. Casner. July 2003. (Format: TXT=106621, PS=317286, PDF=237831 bytes) (Obsoletes RFC1890) (Updated by RFC5761, RFC7007) (Also STD0065) (Status: INTERNET STANDARD) 3550 RTP: A Transport Protocol for Real-Time Applications. H. Schulzrinne, S. Casner, R. Frederick, V. Jacobson. July 2003. (Format: TXT=259985, PS=630740, PDF=504117 bytes) (Obsoletes RFC1889) (Updated by RFC5506, RFC5761, RFC6051, RFC6222, RFC7022, RFC7160, RFC7164) (Also STD0064) (Status: INTERNET STANDARD) 3418 Management Information Base (MIB) for the Simple Network Management Protocol (SNMP). R. Presuhn, Ed.. December 2002. (Format: TXT=49096 bytes) (Obsoletes RFC1907) (Also STD0062) (Status: INTERNET STANDARD) 3417 Transport Mappings for the Simple Network Management Protocol (SNMP). R. Presuhn, Ed.. December 2002. (Format: TXT=38650 bytes) (Obsoletes RFC1906) (Updated by RFC4789, RFC5590) (Also STD0062) (Status: INTERNET STANDARD) 3416 Version 2 of the Protocol Operations for the Simple Network Management Protocol (SNMP). R. Presuhn, Ed.. December 2002. (Format: TXT=70043 bytes) (Obsoletes RFC1905) (Also STD0062) (Status: INTERNET STANDARD) 3415 View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP). B. Wijnen, R. Presuhn, K. McCloghrie. December 2002. (Format: TXT=82046 bytes) (Obsoletes RFC2575) (Also STD0062) (Status: INTERNET STANDARD) 3414 User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3). U. Blumenthal, B. Wijnen. December 2002. (Format: TXT=193558 bytes) (Obsoletes RFC2574) (Updated by RFC5590) (Also STD0062) (Status: INTERNET STANDARD) 3413 Simple Network Management Protocol (SNMP) Applications. D. Levi, P. Meyer, B. Stewart. December 2002. (Format: TXT=153719 bytes) (Obsoletes RFC2573) (Also STD0062) (Status: INTERNET STANDARD) 3412 Message Processing and Dispatching for the Simple Network Management Protocol (SNMP). J. Case, D. Harrington, R. Presuhn, B. Wijnen. December 2002. (Format: TXT=95710 bytes) (Obsoletes RFC2572) (Updated by RFC5590) (Also STD0062) (Status: INTERNET STANDARD) 3411 An Architecture for Describing Simple Network Management Protocol (SNMP) Management Frameworks. D. Harrington, R. Presuhn, B. Wijnen. December 2002. (Format: TXT=140096 bytes) (Obsoletes RFC2571) (Updated by RFC5343, RFC5590) (Also STD0062) (Status: INTERNET STANDARD) 2920 SMTP Service Extension for Command Pipelining. N. Freed. September 2000. (Format: TXT=17065 bytes) (Obsoletes RFC2197) (Also STD0060) (Status: INTERNET STANDARD) 2819 Remote Network Monitoring Management Information Base. S. Waldbusser. May 2000. (Format: TXT=198676 bytes) (Obsoletes RFC1757) (Also STD0059) (Status: INTERNET STANDARD) 2580 Conformance Statements for SMIv2. K. McCloghrie, Ed., D. Perkins, Ed., J. Schoenwaelder, Ed.. April 1999. (Format: TXT=54253 bytes) (Obsoletes RFC1904) (Also STD0058) (Status: INTERNET STANDARD) 2579 Textual Conventions for SMIv2. K. McCloghrie, Ed., D. Perkins, Ed., J. Schoenwaelder, Ed.. April 1999. (Format: TXT=59039 bytes) (Obsoletes RFC1903) (Also STD0058) (Status: INTERNET STANDARD) 2578 Structure of Management Information Version 2 (SMIv2). K. McCloghrie, Ed., D. Perkins, Ed., J. Schoenwaelder, Ed.. April 1999. (Format: TXT=89712 bytes) (Obsoletes RFC1902) (Also STD0058) (Status: INTERNET STANDARD) 2453 RIP Version 2. G. Malkin. November 1998. (Format: TXT=98462 bytes) (Obsoletes RFC1723) (Updated by RFC4822) (Also STD0056) (Status: INTERNET STANDARD) 2427 Multiprotocol Interconnect over Frame Relay. C. Brown, A. Malis. September 1998. (Format: TXT=74671 bytes) (Obsoletes RFC1490, RFC1294) (Also STD0055) (Status: INTERNET STANDARD) 2328 OSPF Version 2. J. Moy. April 1998. (Format: TXT=447367 bytes) (Obsoletes RFC2178) (Updated by RFC5709, RFC6549, RFC6845, RFC6860, RFC7474) (Also STD0054) (Status: INTERNET STANDARD) 2289 A One-Time Password System. N. Haller, C. Metz, P. Nesser, M. Straw. February 1998. (Format: TXT=56495 bytes) (Obsoletes RFC1938) (Also STD0061) (Status: INTERNET STANDARD) 1939 Post Office Protocol - Version 3. J. Myers, M. Rose. May 1996. (Format: TXT=47018 bytes) (Obsoletes RFC1725) (Updated by RFC1957, RFC2449, RFC6186) (Also STD0053) (Status: INTERNET STANDARD) 1870 SMTP Service Extension for Message Size Declaration. J. Klensin, N. Freed, K. Moore. November 1995. (Format: TXT=18226 bytes) (Obsoletes RFC1653) (Also STD0010) (Status: INTERNET STANDARD) 1869 SMTP Service Extensions. J. Klensin, N. Freed, M. Rose, E. Stefferud, D. Crocker. November 1995. (Format: TXT=23299 bytes) (Obsoletes RFC1651) (Obsoleted by RFC2821) (Also STD0010) (Status: INTERNET STANDARD) 1725 Post Office Protocol - Version 3. J. Myers, M. Rose. November 1994. (Format: TXT=35058 bytes) (Obsoletes RFC1460) (Obsoleted by RFC1939) (Status: INTERNET STANDARD) 1723 RIP Version 2 - Carrying Additional Information. G. Malkin. November 1994. (Format: TXT=18597 bytes) (Obsoletes RFC1388) (Obsoleted by RFC2453) (Updates RFC1058) (Status: INTERNET STANDARD) 1722 RIP Version 2 Protocol Applicability Statement. G. Malkin. November 1994. (Format: TXT=10236 bytes) (Also STD0057) (Status: INTERNET STANDARD) 1662 PPP in HDLC-like Framing. W. Simpson, Ed.. July 1994. (Format: TXT=48058 bytes) (Obsoletes RFC1549) (Also STD0051) (Status: INTERNET STANDARD) 1661 The Point-to-Point Protocol (PPP). W. Simpson, Ed.. July 1994. (Format: TXT=103026 bytes) (Obsoletes RFC1548) (Updated by RFC2153) (Also STD0051) (Status: INTERNET STANDARD) 1390 Transmission of IP and ARP over FDDI Networks. D. Katz. January 1993. (Format: TXT=22077 bytes) (Also STD0036) (Status: INTERNET STANDARD) 1350 The TFTP Protocol (Revision 2). K. Sollins. July 1992. (Format: TXT=24599 bytes) (Obsoletes RFC0783) (Updated by RFC1782, RFC1783, RFC1784, RFC1785, RFC2347, RFC2348, RFC2349) (Also STD0033) (Status: INTERNET STANDARD) 1213 Management Information Base for Network Management of TCP/IP-based internets: MIB-II. K. McCloghrie, M. Rose. March 1991. (Format: TXT=142158 bytes) (Obsoletes RFC1158) (Updated by RFC2011, RFC2012, RFC2013) (Also STD0017) (Status: INTERNET STANDARD) 1212 Concise MIB definitions. M.T. Rose, K. McCloghrie. March 1991. (Format: TXT=43579 bytes) (Also STD0016) (Status: INTERNET STANDARD) 1209 The Transmission of IP Datagrams over the SMDS Service. D. Piscitello, J. Lawrence. March 1991. (Format: TXT=24662 bytes) (Also STD0052) (Status: INTERNET STANDARD) 1201 Transmitting IP traffic over ARCNET networks. D. Provan. February 1991. (Format: TXT=16565 bytes) (Obsoletes RFC1051) (Also STD0046) (Status: INTERNET STANDARD) 1155 Structure and identification of management information for TCP/IP-based internets. M.T. Rose, K. McCloghrie. May 1990. (Format: TXT=40927 bytes) (Obsoletes RFC1065) (Also STD0016) (Status: INTERNET STANDARD) 1132 Standard for the transmission of 802.2 packets over IPX networks. L.J. McLaughlin. November 1989. (Format: TXT=7902 bytes) (Also STD0049) (Status: INTERNET STANDARD) 1123 Requirements for Internet Hosts - Application and Support. R. Braden, Ed.. October 1989. (Format: TXT=245503 bytes) (Updates RFC0822, RFC0952) (Updated by RFC1349, RFC2181, RFC5321, RFC5966) (Also STD0003) (Status: INTERNET STANDARD) 1122 Requirements for Internet Hosts - Communication Layers. R. Braden, Ed.. October 1989. (Format: TXT=295992 bytes) (Updates RFC0793) (Updated by RFC1349, RFC4379, RFC5884, RFC6093, RFC6298, RFC6633, RFC6864) (Also STD0003) (Status: INTERNET STANDARD) 1119 Network Time Protocol (version 2) specification and implementation. D.L. Mills. September 1989. (Format: TXT=143, PS=518020, PDF=187940 bytes) (Obsoletes RFC0958, RFC1059) (Obsoleted by RFC1305) (Status: INTERNET STANDARD) 1112 Host extensions for IP multicasting. S.E. Deering. August 1989. (Format: TXT=39904 bytes) (Obsoletes RFC0988, RFC1054) (Updated by RFC2236) (Also STD0005) (Status: INTERNET STANDARD) 1088 Standard for the transmission of IP datagrams over NetBIOS networks. L.J. McLaughlin. February 1989. (Format: TXT=5579 bytes) (Also STD0048) (Status: INTERNET STANDARD) 1065 Structure and identification of management information for TCP/IP-based internets. K. McCloghrie, M.T. Rose. August 1988. (Format: TXT=38858 bytes) (Obsoleted by RFC1155) (Status: INTERNET STANDARD) 1055 Nonstandard for transmission of IP datagrams over serial lines: SLIP. J.L. Romkey. June 1988. (Format: TXT=12578 bytes) (Also STD0047) (Status: INTERNET STANDARD) 1044 Internet Protocol on Network System's HYPERchannel: Protocol Specification. K. Hardwick, J. Lekashman. February 1988. (Format: TXT=100836 bytes) (Updated by RFC5494) (Also STD0045) (Status: INTERNET STANDARD) 1042 Standard for the transmission of IP datagrams over IEEE 802 networks. J. Postel, J.K. Reynolds. February 1988. (Format: TXT=34359 bytes) (Obsoletes RFC0948) (Also STD0043) (Status: INTERNET STANDARD) 1035 Domain names - implementation and specification. P.V. Mockapetris. November 1987. (Format: TXT=125626 bytes) (Obsoletes RFC0973, RFC0882, RFC0883) (Updated by RFC1101, RFC1183, RFC1348, RFC1876, RFC1982, RFC1995, RFC1996, RFC2065, RFC2136, RFC2181, RFC2137, RFC2308, RFC2535, RFC2673, RFC2845, RFC3425, RFC3658, RFC4033, RFC4034, RFC4035, RFC4343, RFC5936, RFC5966, RFC6604) (Also STD0013) (Status: INTERNET STANDARD) 1034 Domain names - concepts and facilities. P.V. Mockapetris. November 1987. (Format: TXT=129180 bytes) (Obsoletes RFC0973, RFC0882, RFC0883) (Updated by RFC1101, RFC1183, RFC1348, RFC1876, RFC1982, RFC2065, RFC2181, RFC2308, RFC2535, RFC4033, RFC4034, RFC4035, RFC4343, RFC4035, RFC4592, RFC5936) (Also STD0013) (Status: INTERNET STANDARD) 1006 ISO Transport Service on top of the TCP Version: 3. M.T. Rose, D.E. Cass. May 1987. (Format: TXT=30662 bytes) (Obsoletes RFC0983) (Updated by RFC2126) (Also STD0035) (Status: INTERNET STANDARD) 1002 Protocol standard for a NetBIOS service on a TCP/UDP transport: Detailed specifications. NetBIOS Working Group in the Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force. March 1987. (Format: TXT=170262 bytes) (Also STD0019) (Status: INTERNET STANDARD) 1001 Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts and methods. NetBIOS Working Group in the Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force. March 1987. (Format: TXT=158437 bytes) (Also STD0019) (Status: INTERNET STANDARD) 0959 File Transfer Protocol. J. Postel, J. Reynolds. October 1985. (Format: TXT=147316 bytes) (Obsoletes RFC0765) (Updated by RFC2228, RFC2640, RFC2773, RFC3659, RFC5797, RFC7151) (Also STD0009) (Status: INTERNET STANDARD) 0950 Internet Standard Subnetting Procedure. J.C. Mogul, J. Postel. August 1985. (Format: TXT=37985 bytes) (Updates RFC0792) (Updated by RFC6918) (Also STD0005) (Status: INTERNET STANDARD) 0922 Broadcasting Internet datagrams in the presence of subnets. J.C. Mogul. October 1984. (Format: TXT=24147 bytes) (Also STD0005) (Status: INTERNET STANDARD) 0919 Broadcasting Internet Datagrams. J.C. Mogul. October 1984. (Format: TXT=16382 bytes) (Also STD0005) (Status: INTERNET STANDARD) 0907 Host Access Protocol specification. Bolt Beranek and Newman Laboratories. July 1984. (Format: TXT=129985 bytes) (Updated by RFC1221) (Also STD0040) (Status: INTERNET STANDARD) 0903 A Reverse Address Resolution Protocol. R. Finlayson, T. Mann, J.C. Mogul, M. Theimer. June 1984. (Format: TXT=9345 bytes) (Also STD0038) (Status: INTERNET STANDARD) 0895 Standard for the transmission of IP datagrams over experimental Ethernet networks. J. Postel. April 1984. (Format: TXT=4985 bytes) (Also STD0042) (Status: INTERNET STANDARD) 0894 A Standard for the Transmission of IP Datagrams over Ethernet Networks. C. Hornig. April 1984. (Format: TXT=5697 bytes) (Also STD0041) (Status: INTERNET STANDARD) 0891 DCN Local-Network Protocols. D.L. Mills. December 1983. (Format: TXT=65340 bytes) (Also STD0044) (Status: INTERNET STANDARD) 0868 Time Protocol. J. Postel, K. Harrenstien. May 1983. (Format: TXT=3024 bytes) (Also STD0026) (Status: INTERNET STANDARD) 0867 Daytime Protocol. J. Postel. May 1983. (Format: TXT=2289 bytes) (Also STD0025) (Status: INTERNET STANDARD) 0866 Active users. J. Postel. May 1983. (Format: TXT=2029 bytes) (Also STD0024) (Status: INTERNET STANDARD) 0865 Quote of the Day Protocol. J. Postel. May 1983. (Format: TXT=1676 bytes) (Also STD0023) (Status: INTERNET STANDARD) 0864 Character Generator Protocol. J. Postel. May 1983. (Format: TXT=6842 bytes) (Also STD0022) (Status: INTERNET STANDARD) 0863 Discard Protocol. J. Postel. May 1983. (Format: TXT=1239 bytes) (Also STD0021) (Status: INTERNET STANDARD) 0862 Echo Protocol. J. Postel. May 1983. (Format: TXT=1237 bytes) (Also STD0020) (Status: INTERNET STANDARD) 0861 Telnet Extended Options: List Option. J. Postel, J. Reynolds. May 1983. (Format: TXT=3068 bytes) (Obsoletes NIC 16239) (Also STD0032) (Status: INTERNET STANDARD) 0860 Telnet Timing Mark Option. J. Postel, J. Reynolds. May 1983. (Format: TXT=7881 bytes) (Obsoletes NIC 16238) (Also STD0031) (Status: INTERNET STANDARD) 0859 Telnet Status Option. J. Postel, J. Reynolds. May 1983. (Format: TXT=4273 bytes) (Obsoletes RFC0651) (Also STD0030) (Status: INTERNET STANDARD) 0858 Telnet Suppress Go Ahead Option. J. Postel, J. Reynolds. May 1983. (Format: TXT=3712 bytes) (Obsoletes NIC 15392) (Also STD0029) (Status: INTERNET STANDARD) 0857 Telnet Echo Option. J. Postel, J. Reynolds. May 1983. (Format: TXT=10859 bytes) (Obsoletes NIC 15390) (Also STD0028) (Status: INTERNET STANDARD) 0856 Telnet Binary Transmission. J. Postel, J. Reynolds. May 1983. (Format: TXT=8965 bytes) (Obsoletes NIC 15389) (Also STD0027) (Status: INTERNET STANDARD) 0855 Telnet Option Specifications. J. Postel, J.K. Reynolds. May 1983. (Format: TXT=6218 bytes) (Obsoletes NIC 18640) (Also STD0008) (Status: INTERNET STANDARD) 0854 Telnet Protocol Specification. J. Postel, J.K. Reynolds. May 1983. (Format: TXT=39371 bytes) (Obsoletes RFC0764) (Updated by RFC5198) (Also STD0008) (Status: INTERNET STANDARD) 0826 Ethernet Address Resolution Protocol: Or Converting Network Protocol Addresses to 48.bit Ethernet Address for Transmission on Ethernet Hardware. D. Plummer. November 1982. (Format: TXT=21556 bytes) (Updated by RFC5227, RFC5494) (Also STD0037) (Status: INTERNET STANDARD) 0822 STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES. D. Crocker. August 1982. (Format: TXT=106299 bytes) (Obsoletes RFC0733) (Obsoleted by RFC2822) (Updated by RFC1123, RFC2156, RFC1327, RFC1138, RFC1148) (Also STD0011) (Status: INTERNET STANDARD) 0821 Simple Mail Transfer Protocol. J. Postel. August 1982. (Format: TXT=124482 bytes) (Obsoletes RFC0788) (Obsoleted by RFC2821) (Also STD0010) (Status: INTERNET STANDARD) 0793 Transmission Control Protocol. J. Postel. September 1981. (Format: TXT=172710 bytes) (Obsoletes RFC0761) (Updated by RFC1122, RFC3168, RFC6093, RFC6528) (Also STD0007) (Status: INTERNET STANDARD) 0792 Internet Control Message Protocol. J. Postel. September 1981. (Format: TXT=30404 bytes) (Obsoletes RFC0777) (Updated by RFC0950, RFC4884, RFC6633, RFC6918) (Also STD0005) (Status: INTERNET STANDARD) 0791 Internet Protocol. J. Postel. September 1981. (Format: TXT=97779 bytes) (Obsoletes RFC0760) (Updated by RFC1349, RFC2474, RFC6864) (Also STD0005) (Status: INTERNET STANDARD) 0768 User Datagram Protocol. J. Postel. August 1980. (Format: TXT=5896 bytes) (Also STD0006) (Status: INTERNET STANDARD) 0020 ASCII format for network interchange. V.G. Cerf. October 1969. (Format: TXT=18504, PDF=197096 bytes) (Also STD0080) (Status: INTERNET STANDARD)