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layout: default
title: CAS - OIDC Protocol
category: Protocols
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# OpenID Connect Protocol

You can configure the CAS server with:

* [OIDC client support](../integration/Delegate-Authentication.html), which means authentication can be delegated through a link on the 
login page to OpenID Connect provider. 
* [OIDC server support](../authentication/OIDC-Authentication.html), which means you will be able to communicate with your CAS server 
through the [OpenID Connect protocol](http://openid.net/connect/), having CAS act as an OP.








