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# Domain-->Security-->General

Tasks Related Topics

## Overview

Use this page to change the default security realm for the WebLogic domain. All available security realms are listed on the pull-down menu. If you configure a new security realm, but do not configure any security providers or all the required security providers, the security realm will not be available from the pull-down menu. In order for a security realm to be valid, you must configure an Authentication provider, an Authorization provider, an Adjudication provider, a Credential Mapping provider, and a Role Mapping provider.

The Anonymous Admin Lookup Enabled attribute specifies whether anonymous, read-only access to WebLogic Server MBeans should be allowed from the `MBeanHome` API. With this anonymous access, you can see the value of any MBean attribute that is not explicitly marked as protected by the Weblogic Server MBean authorization process. This attribute is checked by default to sure backward compatibility. Unchecking this attribute will make the server more secure; however, it might cause applications that require anonymous access to MBeans to stop working properly.

## Tasks

Configuring a New Security Realm

Changing the Default Security 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