kCFStreamErrorDomainSSL, -9802 when connecting to a server by IP address through HTTPS in iOS 9

iOS9 requires the server to only support TLSv1.2 and support perfect forward security.

Also required is for the app to support IPV6 including not using hard-coded IP addresses. Suggested is to use NSURLSession. Otherwise exception additions must be made in the app plist.

See the WWDC-15 session "Security and your Apps".

Also see Steven Peterson's Blog for details.

You can add this in your "Info.plist" file, it will allow non secured connections:

<key>NSAppTransportSecurity</key>
<dict>
    <key>NSAllowsArbitraryLoads</key>
    <true/>
</dict>

kCFStreamErrorDomainSSL, -9802 when connecting to a server by IP address through HTTPS in iOS 9

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