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GlassFish Security by Masoud Kalali

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Authentication chaining

We can configure OpenSSO to authenticate the users by different authentication types. The default level that we used in the previous section when we defined the users is the basic authentication configuration, referred to as Realm Authentication.

Before we dig deep into the details of these authentication methods we need to know few basic related terms like Module Instance, and Authentication Service.

  • Module instance: An authentication module instance collects user credentials such as a username and password, checks the information against entries in its related storage, and determines whether the credentials are correct or not. There are more than 10 different authentication modules provided out of the box with OpenSSO, ...

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