RubyCAS-Server is an implementation of the server-end of JA-SIG's CAS protocol, providing a cross-domain single sign-on solution for web applications. Overview RubyCAS-Server gives you: A stand-alone central login page where the user enters their credentials (i.e. their username and password). A mechanism for validating the user's credentials against various backends (a table in a SQL database, Ac
![RubyCAS](https://cdn-ak-scissors.b.st-hatena.com/image/square/45e0e5e3743bf2e9471e593084068dae8bf810d9/height=288;version=1;width=512/http%3A%2F%2Frubycas.github.io%2Fimages%2Fbasic_cas_single_signon_mechanism_diagram.png)