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Sun OpenDS Standard Edition 2.0 Architectural Reference

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Document Information

The Directory Server Access Control Model

Understanding the Directory Server Schema

Understanding Matching Rules

Matching Rule Description Format

Commonly Used Matching Rules

Value Normalization

Understanding Attribute Syntaxes

The Attribute Syntax Description Format

Commonly Used Attribute Syntaxes

Understanding Attribute Types

Attribute Type Description Format

Attribute Type Inheritance

Attribute Type Implementation

Understanding Object Classes

Object Class Description Format

Object Class Kinds

Object Class Inheritance

Directory Server Object Class Implementation

Understanding Name Forms

Name Form Description Format

Name Form Implementation

Understanding DIT Content Rules

DIT Content Rule Description Format

DIT Content Rule Implementation

Understanding DIT Structure Rules

DIT Structure Rule Description Format

DIT Structure Rules and Multiple Schemas

DIT Structure Rule Implementation

Understanding Matching Rule Uses

Matching Rule Use Implementation

Index Databases

Understanding Directory Server Plug-Ins

Directory Server Replication

Root Users and the Privilege Subsystem

Supported Controls and Operations

The Attribute Syntax Description Format

The attribute syntax description format is described in RFC 4512, section 4.1.5, as shown in this example:

SyntaxDescription = LPAREN WSP
numericoid                 ; object identifier
[ SP "DESC" SP qdstring ]  ; description
extensions WSP RPAREN      ; extensions

The attribute syntax description includes these elements:

numericoid

The numeric OID used to uniquely identify the attribute syntax in the directory server.

DESC

An optional description for the syntax. If it is provided, then it must be enclosed in single quotation marks.

extensions

An optional set of extensions for the attribute syntax. The directory server does not currently support any extensions for use in attribute syntaxes.

The following example shows the attribute syntax description for the standard directory string syntax:

( 1.3.6.1.4.1.1466.115.121.1.15 DESC 'Directory String' ) 

In this case, the OID is 1.3.6.1.4.1.1466.115.121.1.15, and the description is Directory String. There are no extensions.