Numerical list
Obsolete RFCs are indicated with strikethrough text.

#
Title
Date published
Related article
Obsoleted by
Notes

RFC 114
A FILE TRANSFER PROTOCOL April 16, 1971 FTP
 
RFC 172
THE FILE TRANSFER PROTOCOL June 23, 1971 FTP
265 
RFC 265
THE FILE TRANSFER PROTOCOL November 17, 1971 FTP
354 
RFC 354
THE FILE TRANSFER PROTOCOL July 8, 1972 FTP
542 
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 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 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
1294 
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 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
 
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
 
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
 
RFC 2445
iCalendar Specification November 1998 iCalendar
 
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 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
 
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 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 3261
SIP: Session Initiation Protocol June 2002 SIP
 
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 3501
INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 March 2003 IMAP v 4r1
 
RFC 3513
IP Version 6 Addressing Architecture April 2003 IPv6
 
RFC 3530
Network File System (NFS) version 4 Protocol April 2003 NFS v 4
 
RFC 3720
Internet Small Computer Systems Interface (iSCSI) April 2004 ISCSI
 
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 4217
Securing FTP with TLS October 2005 SSL FTP (FTPS)
 
RFC 4287
The Atom Syndication Format December 2005 Atom
 
RFC 4251
The Secure Shell (SSH) Protocol Architecture January 2006 SSH-2
 
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 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 4960
Stream Control Transmission Protocol September 2007 SCTP
 
RFC 5023
The Atom Publishing Protocol October 2007 Atom
 
[edit] Topical list
Obsolete RFCs are indicated with struck-through text.
Topic Related RFCs
Address Resolution Protocol
826
BEEP
3080
BOOTP
951
CRAM-MD5
2195
Date and Time on the Internet (ISO 8601)
3339
DEFLATE
1951
DISCARD
863
Domain Name System
1034, 1035, 2606
Dynamic Delegation Discovery System
2168, 2915, 3401, 3402, 3403, 3404, 3405
Dynamic Host Configuration Protocol
1531, 1541, 2131, 3315 (IPv6)
Extensible Messaging and Presence Protocol
3920 3921 3922
ECHO protocol
862
Fictitious domain name
2606
File Transfer Protocol
114, 172, 265, 354, 765, 959, 2228, 4217
Frame Relay
1294, 1490, 2427
Generic Security Services Application Program Interface
1508, 1509, 1964, 2078, 2743, 2744, 2853
gzip
1952
HyperText Transfer Protocol
1945 (v 1.0), 2616 (v 1.1)
Internet Control Message Protocol
792
Internet Group Management Protocol
966 (v 0), 988 (v 0), 1054 (v 1), 1112 (v 1), 2236 (v 2), 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
1176 (v 2), 1730 (v 4), 2060 (v 4r1), 3501 (v 4r1)
Internet Protocol
see IPv4 and IPv6
IP over Avian Carriers
1149, 2549
IPv4
760, 790, 791
IPv6
1883, 2460
IPv6 addressing
2373, 3513
Internet Relay Chat
1459, 2810, 2811, 2812, 2813
ISCSI
3720, 3783
Kerberos
1964
Lightweight Directory Access Protocol
1487, 1777, 2251, 2252, 2253, 2254, 2255, 2256
Microsoft Point-to-Point Encryption
2118, 3078
MD5
1321
Multiprotocol Label Switching
3031
Multipurpose Internet Mail Extensions
2045 2046 2047 2049
Network address translation
1631, 2663, 2993, 3022, 3027, 3234, 3489, 4787 (Will be obsoleted by draft-ietf-behave-rfc3489bis if approved.)

Network File System
1094, 1813 (v.3), 3010 (v.4), 3530 (v.4)
Network News Transfer Protocol
977, 3977
Network Time Protocol
1059 (v.1), 1119 (v.2), 1305 (v.3)
Open Shortest Path First
1131 (v.1), 1247 (v.2), 1583 (v.2), 2178 (v.2), 2328, 2740 (IPv6), 5340 (IPv6)
Pretty Good Privacy
1991, 2440
Protocol Independent Multicast
2117, 2362 (SM), 4602 (SM)
Reverse Address Resolution Protocol
903
Post Office Protocol
918 (v.1), 937 (v.2), 1081 (v.3), 1225 (v.3), 1460 (v.3), 1725 (v.3), 1939 (v.3)
RADIUS
2058, 2059, 2138, 2139, 2865, 2866, 2867, 2868, 2869, 3162 (IPv6)
Real-time Transport Protocol
1889
Real Time Streaming Protocol
2326
Routing Information Protocol
1058 (v.1), 1388 (v.2), 1723 (v.2), 2453 (v.2), 2080 (v.ng)
Sender Policy Framework
4408
Secure Shell-2
4251
Session Announcement Protocol
2974
Session Description Protocol
2327
Session Initiation Protocol
3261
SHA hash functions
3174, 4634
Simple Authentication and Security Layer
2222, 4422
Simple Mail Transfer Protocol
821, 822, 2821, 2822
Simple Network Management Protocol
1067, 1098, 1157 (v.1), 1441 (v.2) 2570 (v.3)
Stream Control Transmission Protocol
2960, 4960, 3286
TELNET
854, 855
Transmission Control Protocol
793
Transport Layer Security 1.0
2246
Trivial File Transfer Protocol
783, 1350
Usenet
850, 1036
Uniform Resource Identifier
3986
User Datagram Protocol
768
UTF-8
3629
zlib
1950