Central Authentication Service (CAS)


What is Central Authentication Service (CAS)?

From Wikipedia (Central Authentication Service):

The Central Authentication Service (CAS) is a single sign-on protocol for the web.[1] Its purpose is to permit a user to access multiple applications while providing their credentials (such as userid and password) only once. It also allows web applications to authenticate users without gaining access to a user's security credentials, such as a password. The name CAS also refers to a software package[1] that implements this protocol.

Georgia Tech implements the CAS service to allow campus members to easily log into campus websites using their GT Account Username and associated password.  However, for a website to utilize CAS, it must be set up correctly, which usually means adding a module, plugin, or library, and configuring it to work with Georgia Tech's CAS servers.

CAS Sub-Topics