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CAS (Central Authentication Service)

Introduction

The CAS protocol is a simple and powerful ticket-based protocol. It involves one or many clients and one server. Clients are embedded in CASified applications (called “CAS services”) whereas the CAS server is a standalone component.

The Cas protocol makes it possible to implement the SSO authentication method that allows users to access web applications with a single sign-on.

The specification versions recognized are 3.0.3 and 2.0

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https://apereo.github.io/cas/6.5.x/protocol/CAS-Protocol.html

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