无法在ios8模拟器中使用HTTP

I have installed xcode 6, beta 7 on a MacBook Pro. When I try to use the iOS simulator running iOS 8, and try to connect to any site that is not using HTTPS, I get a blank page stating that "Safari cannot open the page because the network connection was lost" in the simulator. Any page that uses HTTPS works fine. I have installed xcode 6, beta 7 on a MacBook P