ios - “an ssl error has occurred and a secure connection to the server cannot be made” connecting to Internal Development Server on phone only -


i developed ios app connects internal web server. when used simulator, works fine, when build same app on iphone, gives me error message “an ssl error has occurred , secure connection server cannot made. " why error occurs on iphone not in simulator?

here environment xcode 8.2 ios 10.3 objective c -- client code using ats default afnetworking framework 3.1 web server -- support tls 1.2 web server cert not supporting forward secrecy yet.

could because cert not ats compliant?

after read document apple 

<key>nsapptransportsecurity</key> <dict>     <key>nsexceptiondomains</key>     <dict>         <key>your domain</key>            <dict>             <key>nsincludessubdomains</key>             <true/>                             <key>nsthirdpartyexceptionrequiresforwardsecrecy</key>             <false/>         </dict>     </dict> </dict>

my app working on devices. cert on server not forward secrecy ready yet.


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