How to authenticate WCF calls using forms authentication and secutity

Posted by Fixer on Stack Overflow See other posts from Stack Overflow or by Fixer
Published on 2011-01-10T07:14:52Z Indexed on 2011/01/10 7:53 UTC
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wcf

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security

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wcf-security

I'm planning a set up for a distributed application that spans serveral machines and will use WCF to send data in between.

Machine A

Front end website http://www.site.com
Password protected site using Forms Authentication

Machine B

WCF Application Service
http://service1.site.com/DoSomething.svc

Machine C

WCF Application Service
http://service2.site.com/DoSomething.svc

The WCF services on Machine B and Machine C should check that the request from Machine A has been authenticated. How can i check that the request is authenticated across the different machines?

I only care that the request is authenticated and not concerned about securing the message body (because we are not sending any sensitive data across the wire), so SSL is not required.

What authentication methods can i use for the above scenario?

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