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# Realm Adapter Authentication Provider-->Details

Tasks Related Topics

## Overview

Use this page to configure the Base 64 Decoding Required attribute for the Identity Assertion provider in the Realm Adapter Authentication provider.

If the authentication type in a Web application is set to `CLIENT-CERT`, the Web Application Container in WebLogic Server performs identity assertion on values from request headers and cookies. If the header name or cookie name matches the active token type for the configured Identity Assertion provider, the value is passed to the provider.

The Base64 Decoding Required attribute determines whether the request header value or cookie value must be Base64 Decoded before sending it to the Identity Assertion provider. The setting is enabled by default for purposes of backward compatibility, however, most Identity Assertion providers will disable this attribute.

## Tasks

Configuring the Realm Adapter Authentication Provider

## 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