MVC3:一个控制器能要求Windows认证，而另一个控制器允许匿名吗?

I have one controller that renders pages in an internal web application that needs to be windows authenticated. There exists a second controller used for JSON-based queries into the system that do NOT need to be Windows Authenticated? Is that possible? It appears I've only been able to do one or the other at the moment.I have one controller that renders pages in an