# Custom JAAS Modules

The default JAAS modules included with your TIBCO Enterprise Message Service installation will accommodate most environments. However, sometimes specialized support for authentication is required.

To support this, well-documented source-code is provided for all of the EMS JAAS modules in the directory:

    EMS_HOME/src/java/jaas

The readme.txt file in that directory contains instructions on compiling the source files.

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