RFC 2251: Lightweight Directory Access Protocol (v3)
This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 4510, RFC 4511, RFC 4512, RFC 4513.
Current document in this lineage: RFC 3494 — Lightweight Directory Access Protocol version 2 (LDAPv2) to Historic Status; RFC 4510 — Lightweight Directory Access Protocol (LDAP): Technical Specification Road Map; RFC 4511 — Lightweight Directory Access Protocol (LDAP): The Protocol; RFC 4512 — Lightweight Directory Access Protocol (LDAP): Directory Information Models; RFC 4513 — Lightweight Directory Access Protocol (LDAP): Authentication Methods and Security Mechanisms; RFC 4514 — Lightweight Directory Access Protocol (LDAP): String Representation of Distinguished Names; RFC 4515 — Lightweight Directory Access Protocol (LDAP): String Representation of Search Filters; RFC 4516 — Lightweight Directory Access Protocol (LDAP): Uniform Resource Locator; RFC 4517 — Lightweight Directory Access Protocol (LDAP): Syntaxes and Matching Rules; RFC 4519 — Lightweight Directory Access Protocol (LDAP): Schema for User Applications; RFC 4523 — Lightweight Directory Access Protocol (LDAP) Schema Definitions for X.509 Certificates
In plain English — editorial summary, not part of the RFC
The protocol described in this document is designed to provide access to directories supporting the X.500 models, while not incurring the resource requirements of the X.500 Directory Access Protocol (DAP). [STANDARDS-TRACK]
Document record
- Document ID
- RFC2251
- Published
- December 1997
- Authors
- M. Wahl; T. Howes; S. Kille
- Status
- PROPOSED STANDARD
- Stream
- IETF
- Area
- app
- Pages
- 50
- Also known as
- —
Topics
Standards lineage
This document is one revision in a chain of 35 RFCs, each formally replacing the one before it.
- RFC 1484 (1993)
- RFC 1485 (1993)
- RFC 1487 (1993)
- RFC 1488 (1993)
- RFC 1558 (1993)
- RFC 1777 (1995)
- RFC 1778 (1995)
- RFC 1779 (1995)
- RFC 1781 (1995)
- RFC 1959 (1996)
- RFC 1960 (1996)
- RFC 2251 (1997)
- RFC 2252 (1997)
- RFC 2253 (1997)
- RFC 2254 (1997)
- RFC 2255 (1997)
- RFC 2256 (1997)
- RFC 2559 (1999)
- RFC 2587 (1999)
- RFC 2829 (2000)
- RFC 2830 (2000)
- RFC 3377 (2002)
- RFC 3494 (2003)
- RFC 3674 (2003)
- RFC 3771 (2004)
- RFC 4510 (2006)
- RFC 4511 (2006)
- RFC 4512 (2006)
- RFC 4513 (2006)
- RFC 4514 (2006)
- RFC 4515 (2006)
- RFC 4516 (2006)
- RFC 4517 (2006)
- RFC 4519 (2006)
- RFC 4523 (2006) ✓
Referenced by
6 later RFCs formally update or obsolete part of this document.
- RFC 3377Lightweight Directory Access Protocol (v3): Technical SpecificationObsoleted
September 2002
- RFC 3771The Lightweight Directory Access Protocol (LDAP) Intermediate Response MessageObsoleted
April 2004
- RFC 4510Lightweight Directory Access Protocol (LDAP): Technical Specification Road MapCurrent
June 2006
- RFC 4511Lightweight Directory Access Protocol (LDAP): The ProtocolCurrent
June 2006
- RFC 4512Lightweight Directory Access Protocol (LDAP): Directory Information ModelsCurrent
June 2006
- RFC 4513Lightweight Directory Access Protocol (LDAP): Authentication Methods and Security MechanismsUpdated
June 2006
Related documents
Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.
- RFC 2253Lightweight Directory Access Protocol (v3): UTF-8 String Representation of Distinguished NamesObsoleted
December 1997
- RFC 2254The String Representation of LDAP Search FiltersObsoleted
December 1997
- RFC 2589Lightweight Directory Access Protocol (v3): Extensions for Dynamic Directory ServicesCurrent
May 1999
- RFC 4514Lightweight Directory Access Protocol (LDAP): String Representation of Distinguished NamesCurrent
June 2006
- RFC 4515Lightweight Directory Access Protocol (LDAP): String Representation of Search FiltersCurrent
June 2006
- RFC 3727ASN.1 Module Definition for the LDAP and X.500 Component Matching RulesCurrent
February 2004
- RFC 2252Lightweight Directory Access Protocol (v3): Attribute Syntax DefinitionsObsoleted
December 1997
- RFC 2247Using Domains in LDAP/X.500 Distinguished NamesUpdated
January 1998
Also filed under
About this page
The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.
Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.
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