In this article:

• What version of CAS are you running?
• Who can authenticate with CAS?
• What "username" is returned by CAS?
• Where can I learn how to use CAS with my web application?
• What are the URLs for the UM CAS server?
• How can I stay informed?
• What if I have additional questions about CAS?

What version of CAS are you running?

We are running the Shibboleth IdP v4.0.1 which supports the CAS v3 protocol.

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Who can authenticate with CAS?

All University of Maryland College Park (UMDCP) students, faculty, staff, and affiliates. Additionally employees and affiliates of UMES, UMCES, & USMO can authenticate.

For certain sites, former students and/or associates (guests) can authenticate. Please contact IT Service Desk if you desire this functionality.

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What "username" is returned by CAS?

CAS will return the user's Directory ID. Additional attributes are available upon request.

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Where can I learn how to use CAS with my web application?

See the CAS web site (note that we currently support CAS 1/2). In particular, you will want to check out the clients which have already been implemented in a variety of environments/languages.

Here is a little presentation on how a CAS authentication works.

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What are the URLs for the UM CAS server?

Login	https://shib.idm.umd.edu/shibboleth-idp/profile/cas/login
Logout	https://shib.idm.umd.edu/shibboleth-idp/profile/cas/logout
Service Validate	https://shib.idm.umd.edu/shibboleth-idp/profile/cas/serviceValidate

See the CAS Protocol specification for details on the parameters.

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How can I stay informed?

All users of CAS are strongly encouraged to subscribe to the UMDIRECTORY listserv list by sending a message to listserv@listserv.umd.edu with a body of Subscribe UMDIRECTORY.

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What if I have additional questions about CAS?

For additional questions and or assistance please contact the administrators at shibboleth@umd.edu.

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