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Authentication means that users identify themselves to gain access to the system. Users can identify themselves immediately upon entry to the system or they can be challenged by the system when they try to access a protected resource before identifying themselves. The user ID/password combination is the most common method of identifying a user to the system. After a user has been authenticated, the system can determine if that user is authorized to access the resources that are requested.

You can have simultaneous, multiple logins using the same user ID and password, but these may result in a non-reliable behavior depending on the client or authentication method; therefore, WebSphere Portal does not support simultaneous, multiple logins.

WebSphere Portal allows the following methods for login and authentication:

Parent topic:

Security and authentication