From the root of the project, execute the following command:

mvn jetty:run

Open a browser and navigate to http://localhost:8080. You will be provided with a dirty-looking login page. Enter username/password (admin/password or user/password) and you will be navigated to the root page (user.jsp).

This completes our JAAS example using Spring Security. As shown in Figure 8 above, JAAS can be used to achieve authentication using other protocols. One of the well-known mechanism is authentication using Kerberos protocol. Next brief section gives you a rough idea of how JAAS can be used to achieve Kerberos based authentication.