Preventing hotlinking in IIS7 and ASP.NET MVC3

What is the most straightforward way to prevent hotlinking in ASP.NET MVC 3 and IIS7?

Than开发者_运维知识库ks.

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Remember, ASP.Net MVC 3 is still ASP.Net underneath. Which means you can use standard methods. For example the LeechGuard Module provided by Microsoft.