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List of RFCs

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This is an old revision of this page, as edited by 46.238.49.41 (talk) at 12:10, 15 November 2013 (RFC 3492 for Punycode added to the list at the right place between 3405 and 3501.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

This is a partial list of RFCs (request for comments memoranda).

While there are over 6000 RFCs, this list consists of RFCs that have related articles. A complete list is available from the IETF website.[1]

Numerical list

Obsolete RFCs are indicated with strikethrough text.

# Title Date published Related article Made obsolete by Notes
RFC 15 Network Subsystem for Time Sharing Hosts September 25, 1969 Telnet
RFC 114 A FILE TRANSFER PROTOCOL April 16, 1971 FTP 959
RFC 172 THE FILE TRANSFER PROTOCOL June 23, 1971 FTP 265
RFC 196 A MAIL BOX PROTOCOL July 20, 1971 SMTP 221
RFC 265 THE FILE TRANSFER PROTOCOL November 17, 1971 FTP 354
RFC 354 THE FILE TRANSFER PROTOCOL July 8, 1972 FTP 542
RFC 675 SPECIFICATION OF INTERNET TRANSMISSION CONTROL PROGRAM December 1974 Internet, TCP
RFC 760 DOD STANDARD INTERNET PROTOCOL January 1980 IPv4 791
RFC 765 FILE TRANSFER PROTOCOL June 1980 FTP 959
RFC 768 User Datagram Protocol August 28, 1980 UDP
RFC 772 MAIL TRANSFER PROTOCOL September 1980 SMTP 780
RFC 783 THE TFTP PROTOCOL (REVISION 2) June 1981 TFTP 1350
RFC 790 ASSIGNED NUMBERS September 1981 IPv4 820
RFC 791 Internet Protocol September 1981 IPv4
RFC 792 INTERNET CONTROL MESSAGE PROTOCOL September 1981 ICMP
RFC 793 TRANSMISSION CONTROL PROTOCOL September 1981 TCP
RFC 821 SIMPLE MAIL TRANSFER PROTOCOL August 1982 SMTP 2821
RFC 822 STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES August 13, 1982 2822
RFC 826 An Ethernet Address Resolution Protocol November 1982 ARP
RFC 850 Standard for Interchange of USENET Messages June 1983 Usenet 1036
RFC 854 TELNET PROTOCOL SPECIFICATION May 1983 Telnet
RFC 855 TELNET OPTION SPECIFICATIONS May 1983
RFC 862 Echo Protocol May 1983 Echo
RFC 863 Discard Protocol May 1983 DISCARD
RFC 864 Character Generator Protocol May 1983 CHARGEN
RFC 868 Time Protocol May 1983 TIME
RFC 903 A Reverse Address Resolution Protocol June 1984 RARP
RFC 918 POST OFFICE PROTOCOL October 1984 POP v 1 937
RFC 937 POST OFFICE PROTOCOL - VERSION 2 February 1985 POP v 2
RFC 951 BOOTSTRAP PROTOCOL (BOOTP) September 1985 BOOTP
RFC 959 FILE TRANSFER PROTOCOL (FTP) October 1985 FTP
RFC 966 Host Groups: A Multicast Extension to the Internet Protocol December 1985 IGMP v 0 988
RFC 977 Network News Transfer Protocol February 1986 NNTP 3977
RFC 988 Host Extensions for IP Multicasting July 1986 IGMP v 0 1054, 1112
RFC 1034 DOMAIN NAMES - CONCEPTS AND FACILITIES November 1987 DNS
RFC 1035 DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION November 1987 DNS
RFC 1036 Standard for Interchange of USENET Messages December 1987 Usenet
RFC 1054 Host Extensions for IP Multicasting May 1988 IGMP v 1 1112
RFC 1055 A Non-Standard for Transmission of IP Datagrams Over Serial Lines: SLIP June 1988 SLIP
RFC 1058 Routing Information Protocol June 1988 RIP v 1
RFC 1059 Network Time Protocol (version 1) specification and implementation July 1988 NTP v 1
RFC 1067 A Simple Network Management Protocol (SNMP) August 1988 SNMP v1 1098
RFC 1071 Computing the Internet Checksum September 1988 Checksum 1141
RFC 1081 Post Office Protocol - Version 3 November 1988 POP v 3 1225
RFC 1087 Ethics and the Internet January 1989 Internet Ethics
RFC 1094 NFS: Network File System Protocol Specification March 1989 NFS 3010
RFC 1098 A Simple Network Management Protocol (SNMP) April 1989 SNMP v1 1157
RFC 1112 Host Extensions for IP Multicasting August 1989 IGMP v 1
RFC 1119 Network Time Protocol (version 2) specification and implementation September 1989 NTP v 2
RFC 1131 OSPF October 1989 OSPF 1247
RFC 1149 A Standard for the Transmission of IP Datagrams on Avian Carriers April 1, 1990 IP over Avian Carriers
RFC 1157 A Simple Network Management Protocol (SNMP) May 1990 SNMP v1
RFC 1176 INTERACTIVE MAIL ACCESS PROTOCOL - VERSION 2 August 1990 IMAP v 2
RFC 1225 Post Office Protocol - Version 3 May 1991 POP v 3 1460
RFC 1247 OSPF Version 2 July 1991 OSPF 1583
RFC 1294 Multiprotocol Interconnect over Frame Relay January 1992 Frame relay
RFC 1305 Network Time Protocol (Version 3) Specification, Implementation and Analysis March 1992 NTP v 3
RFC 1321 The MD5 Message-Digest Algorithm April 1992 MD5
RFC 1350 THE TFTP PROTOCOL (REVISION 2) July 1992 TFTP
RFC 1388 RIP Version 2 Carrying Additional Information January 1993 RIP 1723, 2453
RFC 1436 The Internet Gopher Protocol March 1993 Gopher
RFC 1441 Introduction to version 2 of the Internet-standard Network Management Framework April 1993 SNMP v 2
RFC 1459 Internet Relay Chat Protocol May 1993 IRC
RFC 1460 Post Office Protocol - Version 3 June 1993 POP v 3 1725
RFC 1487 X.500 Lightweight Directory Access Protocol July 1993 LDAP 1777
RFC 1490 Multiprotocol Interconnect over Frame Relay July 1993 Frame relay 2427
RFC 1508 Generic Security Service Application Program Interface September 1993 GSSAPI 2078
RFC 1509 Generic Security Service API : C-bindings 2744
RFC 1531 Dynamic Host Configuration Protocol October 1993 DHCP 1541
RFC 1541 Dynamic Host Configuration Protocol October 1993 DHCP 2131
RFC 1583 OSPF Version 2 March 1994 OSPF 2178
RFC 1631 The IP Network Address Translator (NAT) May 1994 NAT 3022
RFC 1723 RIP Version 2 Carrying Additional Information November 1994 RIP 2453
RFC 1725 Post Office Protocol - Version 3 November 1994 POP v 3 1939
RFC 1730 INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4 December 1994 IMAP v 4
RFC 1774 Border Gateway Protocol 4 March 1995 Border Gateway Protocol 4271
RFC 1777 Lightweight Directory Access Protocol March 1995 LDAP
RFC 1813 NFS Version 3 Protocol Specification June 1995 NFS v 3 3010
RFC 1855 Netiquette Guidelines October 1995 Netiquette
RFC 1883 Internet Protocol, Version 6 (IPv6) Specification December 1995 IPv6 2460
RFC 1889 RTP: A Transport Protocol for Real-Time Applications January 1996 RTP 3550
RFC 1918 Address Allocation for Private Internets February 1996 Private network
RFC 1939 Post Office Protocol - Version 3 May 1996 POP v 3
RFC 1945 Hypertext Transfer Protocol -- HTTP/1.0 May 1996 HTTP v 1.0
RFC 1948 Defending Against Sequence Number Attacks May 1996 IP spoofing
RFC 1950 ZLIB Compressed Data Format Specification version 3.3 May 1996 Zlib v 3.3
RFC 1951 DEFLATE Compressed Data Format Specification version 1.3 May 1996 DEFLATE v 1.3
RFC 1952 GZIP file format specification version 4.3 May 1996 Gzip v 4.3
RFC 1964 The Kerberos Version 5 GSS-API Mechanism June 1996 Kerberos; GSSAPI
RFC 1991 PGP Message Exchange Formats August 1996 PGP 4880
RFC 2058 Remote Authentication Dial In User Service (RADIUS) January 1997 RADIUS 2138
RFC 2059 RADIUS Accounting January 1997 RADIUS 2139
RFC 2060 INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 December 1996 IMAP v 4r1 3501
RFC 2078 Generic Security Service Application Program Interface, Version 2 January 1997 GSSAPI v 2 2743
RFC 2080 RIPng for IPv6 January 1997 RIP v ng
RFC 2109 HTTP State Management Mechanism February 1997 HTTP cookie 2965
RFC 2117 Protocol Independent Multicast-Sparse Mode (PIM-SM) June 1997 PIM 2362
RFC 2119 Key words for use in RFCs to Indicate Requirement Levels March 1997 Request for Comments
RFC 2131 Dynamic Host Configuration Protocol March 1997 DHCP
RFC 2138 Remote Authentication Dial In User Service (RADIUS) April 1997 RADIUS 2865
RFC 2139 RADIUS Accounting April 1997 RADIUS 2866
RFC 2168 Resolution of Uniform Resource Identifiers using the Domain Name System June 1997 DDDS 3401
RFC 2177 IMAP4 IDLE command June 1997 IMAP IDLE
RFC 2178 OSPF Version 2 July 1997 OSPF v 2 2328
RFC 2195 IMAP/POP AUTHorize Extension for Simple Challenge/Response September 1997 CRAM-MD5
RFC 2222 Simple Authentication and Security Layer (SASL) October 1997 SASL 4422
RFC 2228 FTP Security Extensions October 1997 FTP
RFC 2236 Internet Group Management Protocol, Version 2 November 1997 IGMP v 2 3376
RFC 2246 The TLS Protocol Version 1.0 January 1999 TLS 1.0
RFC 2251 Lightweight Directory Access Protocol (v3) December 1997 LDAP
RFC 2252 Lightweight Directory Access Protocol (v3): Attribute Syntax Definitions
RFC 2253 Lightweight Directory Access Protocol (v3): UTF-8 String Representation of Distinguished Names
RFC 2254 The String Representation of LDAP Search Filters
RFC 2255 The LDAP URL Format
RFC 2256 A Summary of the X.500(96) User Schema for use with LDAPv3
RFC 2326 Real Time Streaming Protocol (RTSP) April 1998 RTSP
RFC 2327 SDP: Session Description Protocol April 1998 SDP
RFC 2328 OSPF Version 2 April 1998 OSPF
RFC 2351 Mapping of Airline Reservation, Ticketing, and Messaging Traffic over IP May 1998 MATIP
RFC 2362 Protocol Independent Multicast-Sparse Mode (PIM-SM) June 1998 PIM
RFC 2373 IP Version 6 Addressing Architecture July 1998 IPv6 3513
RFC 2397 The "data" URL scheme August 1998 Data: URI scheme
RFC 2407 Internet IP Security Domain of Interpretation for ISAKMP. November 1998 IKE
RFC 2408 Internet Security Association and Key Management Protocol (ISAKMP)
RFC 2409 The Internet Key Exchange (IKE)
RFC 2427 Multiprotocol Interconnect over Frame Relay September 1998 Frame relay 1294, 1490
RFC 2440 OpenPGP Message Format November 1998 OpenPGP 4880
RFC 2445 iCalendar Specification November 1998 iCalendar 5545
RFC 2453 RIP Version 2 November 1998 RIP v 2
RFC 2460 Internet Protocol, Version 6 (IPv6) Specification December 1998 IPv6
RFC 2549 IP over Avian Carriers with Quality of Service April 1, 1999 IP over Avian Carriers
RFC 2570 Introduction to Version 3 of the Internet-standard Network Management Framework April 1999 SNMP v3
RFC 2595 Using TLS with IMAP, POP3 and ACAP June 1999 STARTTLS for IMAP, POP3 and ACAP
RFC 2606 Reserved Top Level DNS Names June 1999 Fictitious domain name example.com, .test, ...
RFC 2616 Hypertext Transfer Protocol -- HTTP/1.1 June 1999 HTTP v 1.1
RFC 2740 OSPF for IPv6 December 1999 OSPF
RFC 2743 Generic Security Service Application Program Interface Version 2, Update 1 January 2000 GSSAPI v 2
RFC 2744 Generic Security Service API Version 2 : C-bindings
RFC 2810 Internet Relay Chat: Architecture April 2000 IRC
RFC 2811 Internet Relay Chat: Channel Management
RFC 2812 Internet Relay Chat: Client Protocol
RFC 2813 Internet Relay Chat: Server Protocol
RFC 2821 Simple Mail Transfer Protocol April 2001 SMTP
RFC 2822 Internet Message Format April 2001
RFC 2853 Generic Security Service API Version 2 : Java Bindings June 2000 GSSAPI v 2
RFC 2865 Remote Authentication Dial In User Service (RADIUS) June 2000 RADIUS
RFC 2866 RADIUS Accounting June 2000 RADIUS
RFC 2915 The Naming Authority Pointer (NAPTR) DNS Resource Record September 2000 DDDS 3401
RFC 2960 Stream Control Transmission Protocol October 2000 SCTP 4960
RFC 2965 HTTP State Management Mechanism October 2000 HTTP cookie 6265
RFC 2974 Session Announcement Protocol October 2000 SAP
RFC 3010 NFS version 4 Protocol December 2000 NFS v 4 3530
RFC 3022 Traditional IP Network Address Translator (Traditional NAT) January 2001 NAT
RFC 3031 Multiprotocol Label Switching Architecture January 2001 MPLS
RFC 3053 IPv6 Tunnel Broker January 2001 Tunnel Broker
RFC 3056 Connection of IPv6 Domains via IPv4 Clouds February 2001 6to4
RFC 3080 The Blocks Extensible Exchange Protocol Core March 2001 BEEP
RFC 3162 RADIUS and IPv6 August 2001 RADIUS (IPv6)
RFC 3174 US Secure Hash Algorithm 1 (SHA-1) September 2001 SHA-1 4634
RFC 3207 SMTP Service Extension for Secure SMTP over Transport Layer Security February 2002 STARTTLS for simple mail transfer protocol
RFC 3261 SIP: Session Initiation Protocol June 2002 SIP
RFC 3284 The VCDIFF Generic Differencing and Compression Data Format June 2002 VCDIFF
RFC 3286 An Introduction to the Stream Control Transmission Protocol (SCTP) May 2002 SCTP
RFC 3315 Dynamic Host Configuration Protocol for IPv6 (DHCPv6) July 2003 DHCP (IPv6)
RFC 3339 Date and Time on the Internet: Timestamps July 2002 Timestamp
RFC 3376 Internet Group Management Protocol, Version 3 October 2002 IGMP v 3
RFC 3401 Dynamic Delegation Discovery System (DDDS) Part One: The Comprehensive DDDS October 2002 DDDS
RFC 3402 Dynamic Delegation Discovery System (DDDS) Part Two: The Algorithm
RFC 3403 Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) Database
RFC 3404 Dynamic Delegation Discovery System (DDDS) Part Four: The Uniform Resource Identifiers (URI) Resolution Application
RFC 3405 Dynamic Delegation Discovery System (DDDS) Part Five: URI.ARPA Assignment Procedures
RFC 3492 Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA) March 2003 Punycode
RFC 3501 INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 March 2003 IMAP v 4r1
RFC 3513 IP Version 6 Addressing Architecture April 2003 IPv6 4291
RFC 3530 Network File System (NFS) version 4 Protocol April 2003 NFS v 4
RFC 3550 RTP: A Transport Protocol for Real-Time Applications July 2003 RTP
RFC 3720 Internet Small Computer Systems Interface (iSCSI) April 2004 ISCSI
RFC 3730 Extensible Provisioning Protocol (EPP) March 2004 Extensible Provisioning Protocol
RFC 3783 Small Computer Systems Interface (SCSI) Command Ordering Considerations with iSCSI May 2004 ISCSI
RFC 3801 Voice Profile for Internet Protocol June 2004 VPIM
RFC 3977 Network News Transfer Protocol October 2006 NNTP
RFC 4122 A Universally Unique IDentifier (UUID) URN Namespace July 2005
RFC 4213 Basic Transition Mechanisms for IPv6 Hosts and Routers October 2005 6in4
RFC 4217 Securing FTP with TLS October 2005 SSL FTP (FTPS)
RFC 4271 Border Gateway Protocol 4 January 2006 Border Gateway Protocol
RFC 4287 The Atom Syndication Format December 2005 Atom
RFC 4251 The Secure Shell (SSH) Protocol Architecture January 2006 SSH-2
RFC 4291 IP Version 6 Addressing Architecture February 2006 IPv6
RFC 4353 A Framework for Conferencing with the Session Initiation Protocol (SIP) February 2006 Conference_call
RFC 4408 Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1 January 2006 SPF
RFC 4422 Simple Authentication and Security Layer (SASL) June 2006 SASL
RFC 4541 Considerations for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping Switches May 2006 IGMP snooping
RFC 4575 A Session Initiation Protocol (SIP) Event Package for Conference State August 2006 Conference_call
RFC 4579 Session Initiation Protocol (SIP) Call Control - Conferencing for User Agents August 2006 Conference_call
RFC 4634 US Secure Hash Algorithms (SHA and HMAC-SHA) July 2006 SHA-1, SHA-2
RFC 4646 Tags for Identifying Languages September 2006 language tags
RFC 4787 Network Address Translation (NAT) Behavioral Requirements for Unicast UDP January 2007 NAT
RFC 4880 OpenPGP Message Format November 2007 OpenPGP
RFC 4960 Stream Control Transmission Protocol September 2007 SCTP
RFC 5023 The Atom Publishing Protocol October 2007 Atom
RFC 5533 Shim6: Level 3 Multihoming Shim Protocol for IPv6 June 2009 Site Multihoming by IPv6 Intermediation
RFC 5545 iCalendar Specification September 2009 iCalendar
RFC 5880 Bidirectional Forwarding Detection June 2010 BFD
RFC 5881 BFD for IPv4 and IPv6 (Single Hop) June 2010 BFD
RFC 5969 IPv6 Rapid Deployment on IPv4 Infrastructures (6rd) January 2010 IPv6 rapid deployment
RFC 6265 HTTP State Management Mechanism April 2011 HTTP cookie
RFC 6409 Message submission for mail November 2011 message submission agent replaces 2476, 4409
RFC 6455 The WebSocket Protocol December 2011 WebSocket
RFC 6716 Definition of the Opus Audio Codec September 2012 Opus (audio format)

Topical list

Obsolete RFCs are indicated with struck-through text.

Topic Related RFCs
Address Resolution Protocol RFC 826
Blocks Extensible Exchange Protocol RFC 3080
Bidirectional Forwarding Detection RFC 5880, RFC 5881
BOOTP RFC 951
CRAM-MD5 RFC 2195
Date and Time on the Internet (ISO 8601) RFC 3339
DEFLATE RFC 1951
DISCARD RFC 863
Domain Name System RFC 1034, RFC 1035, RFC 2606
Dynamic Delegation Discovery System RFC 2168, RFC 2915, RFC 3401, RFC 3402, RFC 3403, RFC 3404, RFC 3405
Dynamic Host Configuration Protocol RFC 1531, RFC 1541, RFC 2131, RFC 3315 (IPv6)
Extensible Messaging and Presence Protocol RFC 3920 RFC 3921 RFC 3922
ECHO protocol RFC 862
Fictitious domain name RFC 2606
File Transfer Protocol RFC 114, RFC 172, RFC 265, RFC 354, RFC 765, RFC 959, RFC 2228, RFC 4217
Frame Relay RFC 1294, RFC 1490, RFC 2427
Generic Security Services Application Program Interface RFC 1508, RFC 1509, RFC 1964, RFC 2078, RFC 2743, RFC 2744, RFC 2853
gzip RFC 1952
HyperText Transfer Protocol RFC 1945 (v 1.0), RFC 2616 (v 1.1)
Internet Control Message Protocol RFC 792
Internet Group Management Protocol RFC 966 (v 0), RFC 988 (v 0), RFC 1054 (v 1), 1112 (v 1), RFC 2236 (v 2), RFC 3376 (v 3)
Internet Key Exchange IKE RFC 2409, RFC 2407 (ISAKMP), RFC 2408 (ISAKMP), IKEv2 RFC 4306, IKEv2 RFC 4301, RFC 4310 (DNS)
Internet Message Access Protocol RFC 1176 (v 2), RFC 1730 (v 4), RFC 2060 (v 4r1), RFC 3501 (v 4r1)
Internet Protocol see IPv4 and IPv6
IP over Avian Carriers RFC 1149, RFC 2549
IPv4 RFC 760, RFC 790, RFC 791
IPv6 RFC 1883, RFC 2460
IPv6 addressing RFC 2373, RFC 3513, RFC 4291
Internet Relay Chat RFC 1459, RFC 2810, RFC 2811, RFC 2812, RFC 2813
ISCSI RFC 3720, RFC 3783
Kerberos RFC 1964
Lightweight Directory Access Protocol RFC 1487, RFC 1777, RFC 2251, RFC 2252, RFC 2253, RFC 2254, RFC 2255, RFC 2256, RFC 4510, RFC 4511, RFC 4512, RFC 4513, RFC 4514, RFC 4515, RFC 4516, RFC 4517, RFC 4518, RFC 4519, RFC 4520, RFC 4521, RFC 4522, RFC 4523, RFC 4524, RFC 4525, RFC 4526, RFC 4527, RFC 4528, RFC 4529, RFC 4530, RFC 4531, RFC 4532, RFC 4533, RFC 4534
Microsoft Point-to-Point Encryption RFC 2118, RFC 3078
MD5 RFC 1321
Multiprotocol Label Switching RFC 3031
Multipurpose Internet Mail Extensions RFC 2045 RFC 2046 RFC 2047 RFC 2049
Network address translation RFC 1631, RFC 2663, RFC 2993, RFC 3022, RFC 3027, RFC 3234, RFC 3489, RFC 4787, RFC 5389
Network File System RFC 1094, RFC 1813 (v.3), RFC 3010 (v.4), RFC 3530 (v.4)
Network News Transfer Protocol RFC 977, RFC 3977
Network Time Protocol RFC 1059 (v.1), RFC 1119 (v.2), RFC 1305 (v.3)
Open Shortest Path First RFC 1131 (v.1), RFC 1247 (v.2), RFC 1583 (v.2), RFC 2178 (v.2), RFC 2328, RFC 2740 (IPv6), RFC 5340 (IPv6)
Pretty Good Privacy RFC 1991, RFC 2440, RFC 4880
Protocol Independent Multicast RFC 2117, RFC 2362 (SM), RFC 4602 (SM)
Reverse Address Resolution Protocol RFC 903
Post Office Protocol RFC 918 (v.1), RFC 937 (v.2), RFC 1081 (v.3), RFC 1225 (v.3), RFC 1460 (v.3), RFC 1725 (v.3), RFC 1939 (v.3)
RADIUS RFC 2058, RFC 2059, RFC 2138, RFC 2139, RFC 2865, RFC 2866, RFC 2867, RFC 2868, RFC 2869, RFC 3162 (IPv6)
Real-time Transport Protocol RFC 1889
Real Time Streaming Protocol RFC 2326
Routing Information Protocol RFC 1058 (v.1), RFC 1388 (v.2), RFC 1723 (v.2), RFC 2453 (v.2), RFC 2080 (v.ng)
Sender Policy Framework RFC 4408
Secure Shell-2 RFC 4251
Session Announcement Protocol RFC 2974
Session Description Protocol RFC 2327
Session Initiation Protocol RFC 3261
SHA hash functions RFC 3174, RFC 4634
Simple Authentication and Security Layer RFC 2222, RFC 4422
Simple Mail Transfer Protocol RFC 196, RFC 772, RFC 821, RFC 822, RFC 2821, RFC 2822
Simple Network Management Protocol RFC 1067, RFC 1098, RFC 1157 (v.1), RFC 1441 (v.2) RFC 2570 (v.3)
Stream Control Transmission Protocol RFC 2960, RFC 4960, RFC 3286
TELNET RFC 15, RFC 854, RFC 855
Transmission Control Protocol RFC 675, RFC 793
Transport Layer Security 1.0 RFC 2246
Trivial File Transfer Protocol RFC 783, RFC 1350
Usenet RFC 850, RFC 1036
Uniform Resource Identifier RFC 3986
User Datagram Protocol RFC 768
UTF-8 RFC 3629
zlib RFC 1950

References

  1. ^ Internet Engineering Task Force, RFC Index (Text), http://www.ietf.org/download/rfc-index.txt