ITU-T Recommendations

Search by number:

Others:

Advanced search

Provisional name

Formal description

Study Groups tree view

Expand Study Groups tree view

ITU-T X.500 (10/2019)

عربي | 中文 | English | Español | Français | Русский

Information technology – Open Systems Interconnection – The Directory: Overview of concepts, models and services

Citation:	http://handle.itu.int/11.1002/1000/14031
Approval date:	2019-10-14
Identical standard:	ISO/IEC 9594-1 (Common)
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 17
Further details:	Patent statement(s) Development history [16 related work items in progress]

EditionsRelated supplement(s)Implementer's guide(s)

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
9	X.500 (10/2019)	In force	here	-	here
8	X.500 (10/2016)	Superseded	here	here	here
7	X.500 (10/2012)	Superseded	here	here	here
6	X.500 (11/2008)	Superseded	here	here	here
5	X.500 (08/2005)	Superseded	here	here	here
4	X.500 (02/2001)	Superseded	here	here	here
3.1	X.500 (1997) Amd. 1 (03/2000)	Superseded	here	-	here
3	X.500 (08/1997)	Superseded	here	here	here
2	X.500 (11/1993)	Superseded	-	-	here
1	X.500 (11/1988)	Superseded	-	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
X Suppl. 34 (01/2019)	ITU-T X.1051 – Supplement on code of practice for information security controls for telecommunication organizations	In force	here	here	here

Title	Approved on	Download
Directory Implementers' Guide for ITU-T X.500-series - Version 15, August 2001	2001-09-07	here
Directory Implementers' Guide for ITU-T X.500-series - Version 14, March 2001	2001-03-01	here