Java - Java Authentication and Authorization Service 1.0 (JAAS)
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About
The Java Authentication and Authorization Service (“JAAS”) provides a way for a J2EE application to authenticate and authorize a specific user or group of users to run it.
JAAS is a Java programing language version of the standard Pluggable Authentication Module (PAM) framework that extends the Java 2 Platform security architecture to support user-based authorization.