The following Common Secure Interoperability Version 2 (CSIv2) features are available in IBM WebSphere Application Server: SSL client certificate authentication, message layer authentication, and identity assertion.
An additional way to authenticate a client to a server using SSL client authentication.
Authenticates credential information and sends that information across the network so that a receiving server can interpret it.
Supports a downstream server in accepting the client identity established on an upstream server, without having to reauthenticate. The downstream server trusts the upstream server.