7.3. BASIC Authentication
The most common type of container-managed security is built on form-based authentication, discussed in Section 7.1. There, the server automatically redirects unauthenticated users to an HTML form, checks their username and password, determines which logical roles they are in, and sees whether any of those roles is permitted to access the resource in question. Then, it uses a variation of session tracking to remember the users that have already been authenticated.
This approach has the advantage that the login form can have the same look and feel as the rest of the Web site. However, it has a few disadvantages. For example, if the client’s browser does not support cookies, session tracking would have to be performed ...
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