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# LDAP Security Realm-->Users

Tasks Related Topics Attributes

## Overview

Use this page to define how users 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 139-1

Attribute Label | Description | Value Constraints
--- | --- | ---
User Authentication | Determines the method for allowing or denying a user the right to communicate with WebLogic Server. Set this attribute to one of the following values: Bind--The LDAP security realm retrieves user data, including the password for the LDAP server, and checks the password in WebLogic Server. External--The LDAP security realm authenticates a user by attempting to bind to the LDAP server with the username and password supplied by the WebLogic client. Local--The LDAP security realm authenticates a user by looking up the UserPassword attribute in the LDAP directory and checking its value against a set of passwords in WebLogic Server. | Default: "bind" Valid values: "bind" "external" "local"
User Password Attribute | If the `userAuthentication` attribute is set to `local`, this attribute finds the attribute in the LDAP user objects that contains the passwords of the LDAP users. | Default: "userpassword"
User DN | A list of attributes that, when combined with the attribute named in the `userNameAttribute` attribute, uniquely identifies a user in the LDAP directory. When specifying this attribute, use the following format: `ou=Barb.Klock, u=acme.com` | Default:
User Name Attribute | The login name of a user for the LDAP directory. The value of this attribute can be the common name of a user in the LDAP directory. However, it is generally an abbreviated string, such as a User ID. |