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# LDAP Security Realm-->Groups

Tasks Related Topics Attributes

## Overview

Use this page to specify how groups are stored in the LDAP server. To use the LDAP security realm, you need to use Compatibility security. The use of the LDAP security realm is deprecated in this release of WebLogic Server.

## Tasks

Configuring an LDAP V1 Security Realm

Enabling Communication between the LDAP Server and WebLogic Server

Specifying How Users Are Located in the LDAP V1 Security Realm

Specifying How Groups Are Located in the LDAP V1 Security Realm

Adding a Note to the LDAP V1 Security Realm

Configuring the Caching Realm

## Related Topics

Introduction to WebLogic Security

Managing WebLogic Security

Securing WebLogic Resources

Programmimg WebLogic Security

Developing Security Providers for WebLogic Server

Securing a Production Environment

The Security topics in the WebLogic Server 8.1 Upgrade Guide

Security FAQ

The Security page in the WebLogic Server documentation

## Attributes

Table 137-1

Attribute Label | Description | Value Constraints
--- | --- | ---
Group DN | The list of attributes that, when combined with the attribute named in the `groupNameAttribute` attribute, uniquely identifies a group in the LDAP directory. | Default:
Group Name Attribute | The name of a group in the LDAP directory. It is usually the common name. | Default: "cn"
Group Is Context | Specifies how group membership is recorded in the LDAP directory. Set to true if each group entry contains one user. Set to false if there is one group entry containing an attribute for each group member. | Default: true Valid values: true false
Group Username Attribute | The name of the attribute that contains a group member in a group entry. | Default: "member"