JCas - CAS Java Server

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JCas - CAS Java Server

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Welcome to the JCas Project

This is the JCas project - implementing a free, Open-Source, Java-based CAS server. The server will enable end users to remotely authenticate and authorize clients against various databases or by adding and using specific JAAS modules to the server (by configuration).


  • JDBC based authentication and authorization
  • JAAS based authentication and authorization
  • SSL encrypted communication
  • Customizable access restrictions
  • Fully Java based implementation
  • Requires Java RTE 1.4
  • Includes Java based CAS client
  • Includes JSP Tag Library to be used in Application Servers
Go here to learn about CAS!


Date News
01-June-2005 Version 0.3.2 (Bugfix) released
30-May-2005 Version 0.3.1 (Bugfix) released
11-May-2005 Version 0.3.0 released
01-July-2004 Version 0.2.0 released
07-May-2004 Version 0.1.0 released
07-May-2004 Website released


You can download JCas sources, binaries and CVS tarballs, or just browse the CVS repository.

Filename Description Release Date Status
jcas-0.3.2.tar.gz JCas 0.3.2 Release 2005-06-01 Beta


The Documentation Section is the first place to look at when you need information on how to use JCas.

Topic Description
CAS Specification Find out how CAS works
Introduction Basic terminology and explanation of JCas.
First CAS Server JCas integrated Step-by-Step
JCas Configuration Reference manual of JCas configuration elements.
FAQ Frequently Asked Questions about JCas
Help Forum Public forum that provides help on JCas


Report bugs to JCas Bug Tracking System, feature requests can be reported to Feature Request System. In case you need help on JCas, have a look at our Documentation page, or search the JCas Help Forum. If you wish to be informed when new versions of JCas are released, subscribe to jcas-users mailing list. The Support page gives you more details.

Get Involved

There are two ways to participate in developing JCas. You can either become a developer and work directly on JCas. Or donate to JCas Project to support our efforts in making distributed computing easier and safer.

Related Sites

URL Description mod_cas Project - Apache module that integrates CAS into the famous webserver libcas Project - Client C library to integrate CAS into applications Java Homepage at Sun Microsystems