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Excerpt |
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CAS is a multiprotocol Web single sign-on (SSO) product composed of a single logical server component that services authentication requests from multiple clients that communicate via one or more supported protocols. |
Features
CAS has a number of features that distinguish it from other SSO products:
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| CAS | Shibboleth | OpenID | SiteMinder | OpenSSO |
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Forced reauthentication | |||||
Delegated authentication | 21 | ||||
Attribute release | |||||
Authorization services 1 | 2 | 2 | |||
Single sign-out | |||||
Federation support |
Notes:
1. Delegated authentication is supported in Shibboleth out of the box in v2.2+, v2.1.3+ with delegation plugin.
2. As discussed in the Authorization section, CAS supports authorization by services via the attribute release feature. Shibboleth uses the same decentralized approach to authorization. 2. Supported in Shibboleth out of the box in v2.2+, v2.1.3+ with delegation plugin.
Support
CAS is supported by a community of developers and users via a variety of means:
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