These steps are required to use either a WebSEAL trust association interceptor or your own trust association interceptor with a reverse proxy
security server. WebSphere Application Server enables you to use multiple trust association interceptors. The Application Server uses the first interceptor that can handle the request.
Access the administrative console by typing http://localhost:port_number/ibm/console in a Web browser. Port 9060 is the default port number for accessing the administrative console. During installation, however, you might have specified a different port number. Use the appropriate port number.
Click Security > Global security .
Under Authentication, click Authentication mechanisms > LTPA .
Under Additional properties, click Trust association .
Select the Enable trust association option.
Under Additional properties, click Interceptors . The default value appears.
Select both the com.ibm.ws.security.web.WebSealTrustAssociationInterceptor and the com.ibm.ws.security.web.TAMTrustAssociationInterceptorPlus class name and click Delete .
Click New and specify a trust association interceptor.
Result Enables trust association.
What to do next
If you are enabling security, make sure that you complete the remaining steps for enabling security.
Save, stop and restart all of the product servers (deployment managers,
nodes and Application Servers) for the changes to take effect.