If you have a new iOS 6 install, you may have experienced a temporary WiFi outage this evening. The problem seems to have stemmed from an unavailable Apple webpage. According to Steve Streza, iOS 6 pings a test URL that's different from previous installs, which simply used apple.com.
When the URL went down, so did WiFi access. This URL is meant to allow captive network detection at sites like hotels. The problem seems to have been resolved, and WiFi access is, as far as we know, restored for iOS 6 users.
Apple web p
