How are RESTful WCF services secured so that only the calling application can call them?

I have an application that uses Silverlight and ASP.NET as a front-end. It retrieves data from the server by calling some RESTful WCF services that are hosted there. I'd like to prevent the curious user from opening up a new browser window and calling the web service themselves. Is there a way to restrict access to the web services to a specific application?

Thanks!

Solution

No there's not.

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