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Lightweight Directory Access Protocol (LDAP): Authentication Methods and Security Mechanisms
RFC 4513

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['LDAP', 'TLS']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System)
Changed author "R. Harrison": changed name from "Roger Harrison" to "R. Harrison", changed is_editor from "False" to "True", cleared country (was "USA"), changed order from …
Changed author "R. Harrison": changed name from "Roger Harrison" to "R. Harrison", changed is_editor from "False" to "True", cleared country (was "USA"), changed order from "0" to "1"
2026-05-20
(System) Metadata update from RFC Editor
2022-11-02
(System) Received changes through RFC Editor sync (added Errata tag, added Verified Errata tag)
2018-12-20
(System)
Received changes through RFC Editor sync (changed abstract to 'This document describes authentication methods and security mechanisms of the Lightweight Directory Access Protocol (LDAP). This …
Received changes through RFC Editor sync (changed abstract to 'This document describes authentication methods and security mechanisms of the Lightweight Directory Access Protocol (LDAP). This document details establishment of Transport Layer Security (TLS) using the StartTLS operation.

This document details the simple Bind authentication method including anonymous, unauthenticated, and name/password mechanisms and the Simple Authentication and Security Layer (SASL) Bind authentication method including the EXTERNAL mechanism.

This document discusses various authentication and authorization states through which a session to an LDAP server may pass and the actions that trigger these state changes.

This document, together with other documents in the LDAP Technical Specification (see Section 1 of the specification's road map), obsoletes RFC 2251, RFC 2829, and RFC 2830. [STANDARDS-TRACK]')
2015-10-14
(System) Notify list changed from ,  to (None)
2006-06-12
Amy Vezza State Changes to RFC Published from RFC Ed Queue by Amy Vezza
2006-06-12
Amy Vezza [Note]: 'RFC 4513' added by Amy Vezza
2006-06-08
(System) RFC published