I want to implement a Biometric Gateway Authentication for which I am thinking of using JAAS. For this system there are two levels of authentication,a password based authentication followed by a biometric authentication. Both password and biometric data will be stored in an Oracle database.This system has to work using JSPs and Servlets.I want to know how will I use JAAS and JSP + Servlets.
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As for your question, Ulf already pointed out in his reply that JAAS is a vast topic and each web container has its own configurations. You will have to check the web containers documentation for more details.