WAS v8.5 > Develop applications > Develop web services - Security (WS-Security) > Configure Web Services Security during application assembly > Configure pluggable tokens for v5.x web services with an assembly tool

Configure the client for LTPA token authentication: specifying LTPA token authentication

To configure Lightweight Third-Party Authentication (LTPA) token authentication, specify LTPA token authentication. Only configure the client for LTPA token authentication if the authentication mechanism configured in WebSphere Application Server is LTPA. There is an important distinction between v5.x and v6.0.x and later applications. The information in this article supports v5.x applications only used with WAS v6.0.x and later. The information does not apply to v6.0.x and later applications.

Use this task to configure Lightweight Third-Party Authentication (LTPA) token authentication. Only configure the client for LTPA token authentication if the authentication mechanism configured in WAS is LTPA. When a client authenticates to a WAS, the credential created contains an LTPA token. When a web service calls a downstream web service, we can configure the first web service to send the LTPA token from the originating client. Do not attempt to configure LTPA from a pure client. LTPA works only when we configure the client-side of a web service acting as a client to a downstream web service. For the downstream web service to validate the LTPA token, the LTPA keys on both servers must be the same.

To specify LTPA token as the authentication method:

1. Launch an assembly tool. For more information, see the related information on Assembly Tools.
2. Switch to the Java EE perspective. Click Window > Open Perspective > J2EE.

3. Click Application Client Projects > application_name > appClientModule > META-INF.
4. Right-click the application-client.xml file, select Open with > Deployment descriptor editor.

5. Click the Extensions tab, located at the bottom of the deployment descriptor editor within the assembly tool.

6. Expand the Request sender configuration > Login configuration section.

7. Select LTPA as the authentication method. For more conceptual information on LTPA authentication, see LTPA.

After we specify LTPA token as the authentication method, specify how to collect the LTPA token information. See Configure the client for LTPA token authentication: collecting the authentication method information for more information.

Related concepts:

LTPA
Development and assembly tools

Related

Configure the client for LTPA token authentication: collecting the authentication method information
Configure the client security bindings using an assembly tool
Configure the security bindings on a server acting as a client

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