RFCs

RFCs

Title Publication Date Format Status
RFC 8915: Network Time Security for the Network Time Protocol September, 2020 HTML Proposed Standard
RFC 8633: Network Time Protocol Best Current Practices July, 2019 HTML Best Current Practice
RFC 8573: Message Authentication Code for the Network Time Protocol June, 2019 HTML Proposed Standard
Updates RFC 5905
RFC 7822: Network Time Protocol Version 4: Protocol and Algorithms Specification June, 2010 HTML Proposed Standard
Updates RFC 5905
RFC 7821: UDP Checksum Complement in the Network Time Protocol (NTP) March, 2016 HTML Experimental
RFC 7384: Security Requirements of Time Protocols in Packet Switched Networks October, 2014 HTML Informational
RFC 5908: Network Time Protocol (NTP) Server Option for DHCPv6 June, 2010 TXT Proposed Standard
RFC 5907: Definitions of Managed Objects for Network Time Protocol Version 4 (NTPv4) June, 2010 TXT Proposed Standard
RFC 5906: Network Time Protocol Version 4: Autokey Specification June, 2010 TXT Informational
RFC 5905 : Network Time Protocol Version 4: Protocol and Algorithms Specification June, 2010 TXT Proposed Standard
Updated by RFC 7822
Obsoletes RFC 1305 and RFC 4330
RFC 4330 : Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI January, 2006 TXT Informational
Obsoletes RFC 2030 and RFC 1769
RFC 4075: Simple Network Time Protocol (SNTP) Configuration Option for DHCPv6 May, 2005 HTML Proposed Standard
RFC 3280: Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile April, 2002 TXT Proposed Standard
Obsoleted by RFC 5280
RFC 3279: Algorithms and Identifiers for the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile April, 2002 TXT Proposed Standard
Updated by RFC 4055, RFC 4491, RFC 5480, RFC 5758, RFC 8692
RFC 3161: Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP) August, 2001 TXT Proposed Standard
Updated by RFC 5816
RFC 2875: Diffie-Hellman Proof-of-Possession Algorithms July, 2000 TXT Proposed Standard
Obsoleted by RFC 6955
RFC 2783: Pulse-Per-Second API for UNIX-like Operating Systems, Version 1.0 March, 2000 TXT Informational
RFC 2560: X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP June, 1999 TXT Proposed Standard
Obsoleted by RFC 6960
Updated by RFC 6277
RFC 2510: Internet X.509 Public Key Infrastructure Certificate Management Protocols March, 1999 TXT Proposed Standard
Obsoleted by RFC 4210
RFC 2373: IP Version 6 Addressing Architecture July, 1998 TXT Proposed Standard
Obsoleted by RFC 3513
RFC 2030 : Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI October, 1996 TXT Obsoleted by RFC 4330
RFC 1828: IP Authentication using Keyed MD5 August, 1995 TXT Historic
RFC 1769 : Simple Network Time Protocol (SNTP) March, 1995 TXT Informational
Obsoleted by RFC 2030, RFC 4330
RFC 1589: A Kernel Model for Precision Timekeeping March, 1994 TXT Informational
RFC 1361: Simple Network Time Protocol (SNTP) August, 1992 TXT Informational
Obsoleted by RFC 1769
RFC 1321: The MD5 Message-Digest Algorithm April, 1992 TXT Informational
Updated by RFC 6151
RFC 1305 : Network Time Protocol (Version 3) Specification, Implementation and Analysis March, 1992 Abstract (PDF)
Body (PDF)
Draft Standard
Obsoleted by RFC 5905
RFC 1241: A Scheme for an Internet Encapsulation Protocol: Version 1 July, 1991 TXT Experimental
RFC 1165: Network Time Protocol (NTP) over the OSI Remote Operations Service June, 1990 HTML Experimental
RFC 1129: Internet Time Synchronization: the Network Time Protocol October, 1989 Abstract (PDF)
Body (PDF))
Informational
RFC 1128: Measured Performance of the Network Time Protocol in the Internet System October, 1989 Abstract (PDF)
Body (PDF)
Unknown
RFC 1119 : Network Time Protocol (Version 2) Specification and Implementation September, 1989 Abstract (PDF)
Body (PDF)
Internet Standard
Obsoleted by RFC 1305
RFC 1059 : Network Time Protocol (Version 1) Specification and Implementation July, 1988 TXT Unknown
Obsoleted by RFC 1119, RFC 1305
RFC 1004: A Distributed-Protocol Authentication Scheme April, 1987 TXT Experimental
RFC 996: Statistics Server February, 1987 TXT Historic
RFC 985: Requirements for Internet Gateways May, 1986 TXT Unknown
Obsoleted by RFC 1009
RFC 981: An Experimental Multiple-Path Routing Algorithm March, 1986 TXT Unknown
RFC 975: Autonomous Confederations February, 1986 TXT Unknown
RFC 958: Network Time Protocol (NTP) September, 1985 TXT Unknown
Obsoleted by RFC 1059, RFC 1119, RFC 1305
RFC 957: Experiments in Network Clock Synchronization September, 1985 TXT Unknown
RFC 956: Algorithms for Synchronizing Network Clocks September, 1985 TXT Unknown
RFC 904: Exterior Gateway Protocol Formal Specification April, 1984 TXT Historic
Updates RFC 827, RFC 888
RFC 891: DCN Local-Network Protocols December, 1983 TXT Internet Standard
RFC 889: Internet Delay Experiments December, 1983 TXT Informational
RFC 799: Internet Name Domains September, 1981 TXT Unknown
RFC 778: DCNET Internet Clock Service April 18, 1981 TXT Historic
IEN 173: Time Synchronization in DCNET Hosts February 25, 1981 TXT Internet Experiment Note