CAS server protocol version

[Eric Bo Jiang]

New to CAS, I have a simple question that I can't find on CAS website or i am not looking carefully.  how the protocol version of the server specified, Can single server communicate with different client with protocols in different versions ?   I just realized that CAS 2 doesn't support the attribute rerteriveing, response only contains principle with user name and proxy information. 

Thanks for any help. 

[Richard Frovarp]

See the protocol documentation on the CAS website: https://apereo.github.io/cas/6.0.x/protocol/CAS-Protocol.html

You'll note that the big change between 2 and 3 on the server side is that there are different service validation end points. Protocol v3 works just fine for modern libraries, and will get you your attributes.

So yes, a single server can support the two versions, it is up to the client to choose what it wants to call, and it needs to hit the correct validation URL. You can additionally add support for more protocols, as you can see in the documentation.

On 10/16/19 11:00 AM, Eric Bo Jiang wrote:

New to CAS, I have a simple question that I can't find on CAS website or i am not looking carefully.  how the protocol version of the server specified, Can single server communicate with different client with protocols in different versions ?   I just realized that CAS 2 doesn't support the attribute rerteriveing, response only contains principle with user name and proxy information. 

Thanks for any help. 

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[Eric Bo Jiang]

Thank you Richard, that explains why there is property in configuration about the protocol versions. 

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