Directory: LDAP 2000
Copyright © 2000 The Open Group

Product Standard
Directory: LDAP 2000
Document Number: X99DI

©December 1999, The Open Group All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright owners.

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LDAP 2000 - Product Standard

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Product Standard


LDAP 2000



When this logo is used on, or in relation to, a product registered as conformant to this Product Standard, it must be accompanied by an attribution, in the form defined in the Trademark License Agreement,1 which includes the LDAP 2000 Product Standard name.


The LDAP 2000 Product Standard defines core requirements for Directory servers for interoperation with LDAP clients. It includes the mandatory requirements of IETF RFC 2251, IETF RFC 2252, and IETF RFC 2253.2 Detailed conformance requirements are listed below.


A single configuration of the system shall:

In addition, a conforming product may support any or all of the following optional features:

The Conformance Statement must state which of these features the product supports.

Where a requirement of IETF RFC 2251 or any other referenced standard is dependent on support for an optional feature, a conformant product need satisfy that requirement if, and only if, support for the feature is declared in its Conformance Statement.

If a product declares support for validation of client certificates in its Conformance Statement, then it shall be capable of validating X.509v3 certificates that conform to the requirements of IETF RFC 2459 for such certificates.


This Product Standard places no requirements on the operational environment of a conforming product.


This Product Standard places no requirements on the portability environment of a conforming product.


IETF RFC 2251, IETF RFC 2252, IETF RFC 2253, IETF RFC 2254, IETF RFC 2255, IETF RFC 2459, and Secure Sockets Layer Protocol (SSL), Version 3 are overriding standards for this Product Standard.


A Test Report from the currently authorized release of the VSLDAP Test Suite. Refer to to ascertain the currently authorized version of the test suite.

Products may be registered as conformant to this Product Standard prior to General Availability of the first version of the VSLDAP Test Suite. A Test Report for any such product shall be provided to the Conformance Administrator within ninety days of the VSLDAP Test Suite achieving General Availability.


As this is the first version of this Product Standard, there are no migration issues.


Brand Program Documentation, January 1998, The Open Brand Trademark License Agreement (TMLA) (X982).

IETF RFC 2251, Lightweight Directory Access Protocol (Version 3), December 1997.
IETF RFC 2252, Lightweight Directory Access Protocol (Version 3): Attribute Syntax Definitions, December 1997.
IETF RFC 2253, Lightweight Directory Access Protocol (Version 3): UTF-8 String Representation of Distinguished Names, December 1997.

IETF RFC 2254, The String Representation of LDAP Search Filters, December 1997.
IETF RFC 2255, The LDAP URL Format, December 1997.

The SSL Protocol, Version 3.0, Netscape Communications Corporation, March 1996.

IETF RFC 2459, Internet X.509 Public Key Infrastructure Certificate and CRL Profile, January 1999.