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user access from client with gateway in front of a historian
March 14, 2016
19:19, EET
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We are evaluating the Java SDK in order to build client access to a GE Historian connected via a UA gateway. Given this type of connectivity (gateway in front of Historian) are user credentials significant for the client? That is, if the UA gateway is configured with the right user credentials to access the Historian and if the UA gateway allows anonymous access, would the client be able to access all Historian data via anonymous access?

Thanks very much for your help.

March 15, 2016
9:44, EET
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Heikki Tahvanainen
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Hello,

In this setup, the client would be able to access all UA gateway data with anonymous access, which in turn means access to all Historian data that is accessible to the UA gateway.

March 15, 2016
14:16, EET
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Thanks Heikki.

I have an associated question. In applications (like the UA gateway), is user authentication normally based on the operating system? That is, do these application delegate user authentication to the operating system and require users to be users in the OS? I know that the sample server (bundled with the SDK) does its own authentication of users, but is that typical?

Thank you very much again.

Rgds,
Vijay

March 15, 2016
15:05, EET
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Heikki Tahvanainen
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Usually the idea is to do the user authentication in the application and not to delegate the authentication to the operating system.

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