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1. [are] UIWebView, WKWebView, and AV Foundation framework also based on NSURLSession or NSURLConnection?
Yes. The exact API they use varies based on the specific framework and the OS version, but ATS applies to the web views and AV Foundation and has done since iOS 9.
2. … My question is, does this rule only apply to iOS 10?
3. … does this rule apply to iOS 9?
No. This is another thing, like IP addresses, where ATS was relaxed in iOS 10.
Keep in mind that accessing unqualified host names (and
.localhost names) requires
And can you help provide standard for "Unqualified host names"?
An unqualified host name is one with no dots. For more background to this, see fully qualified domain name
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Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
let myEmail = "eskimo" + "1" + "@apple.com"
Thanks for your reply.