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Using Domains in LDAP/X.500 Distinguished Names (RFC2247)

IP.com Disclosure Number: IPCOM000002806D
Original Publication Date: 1998-Jan-01
Included in the Prior Art Database: 2019-Feb-15
Document File: 7 page(s) / 9K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Kille: AUTHOR [+4]

Related Documents

10.17487/RFC2247: DOI

Abstract

This document defines an algorithm by which a name registered with the Internet Domain Name Service [2] can be represented as an LDAP distinguished name. [STANDARDS-TRACK]

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This is the abbreviated version, containing approximately 31% of the total text.

Network Working Group S. Kille Request for Comments: 2247 Isode Ltd. Category: Standards Track M. Wahl Critical Angle Inc. A. Grimstad AT&T R. Huber AT&T S. Sataluri AT&T January 1998

Using Domains in LDAP/X.500 Distinguished Names

Status of this Memo

This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1998). All Rights Reserved.

1. Abstract

The Lightweight Directory Access Protocol (LDAP) uses X.500- compatible distinguished names [3] for providing unique identification of entries.

This document defines an algorithm by which a name registered with the Internet Domain Name Service [2] can be represented as an LDAP distinguished name.

2. Background

The Domain (Nameserver) System (DNS) provides a hierarchical resource labeling system. A name is made up of an ordered set of components, each of which are short strings. An example domain name with two components would be "CRITICAL-ANGLE.COM".

Kille, et. al. Standards Track [Page 1]

RFC 2247 Using Domains in LDAP/X.500 January 1998

LDAP-based directories provide a more general hierarchical naming framework. A primary difference in specification of distinguished names from domain names is that each component of an distinguished name has an explicit attribute type indication.

X.500 does not mandate any particular naming structure. It does contain suggested naming structures which are based on geographic and national regions, however there is not currently an established registration infrastructure in many regions which would be able to assign or ensure uniqueness of names.

The mechanism described in this document automatically provides an enterprise a distinguished name for each domain name it has obtained for use in the Internet. These distinguished names may be used to identify objects in an LDAP directory.

An example distinguished name represented in the LDAP string format [3] is "DC=CRITICAL-ANGLE,DC=COM". As with a domain name, the most significant component, closest to the root of the namespace, is written last.

This document does not define how to represent objects which do not have domain names. Nor does this document define the procedure to locate an enterprise’s LDAP directory server, given their domain name. Such procedures may be defined in future RFCs.

3. Mapping Domain Names into Distinguished Names

This section defines a subset of the possible distinguished name structures for use in representing names allocated in the Internet Domain Name System. It is possible to algorithmically transform any Internet domain name into a distinguished name, and to convert these distinguished names back into the original domain names.

The algorithm for transforming a doma...

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