iOS 10.3: Simulator HTTPS localhost: SSL Error

Question

This worked fine for iOS 10.2 and below, but after upgrading to 10.3, when the simulator attempts to connect over HTTPS to the development server running on localhost, the X

Answer 1

I also had same problem , You have to implement didRecieveChallenge delegate method to handle SSl error

Add below ;one of code in didReceiveChallenge delegate method of URLSession delegate methods or URLConnnection deleagte method.

- (void)URLSession :( NSURLSession *)session didReceiveChallenge :( NSURLAuthenticationChallenge *)challenge completionHandler :( void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable credential))completionHandler {   NSURLSessionAuthChallengeDisposition lDisposition = NSURLSessionAuthChallengeUseCredential;
NSURLCredential *credential = [[NSURLCredential alloc] init];


if (challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodServerTrust) {
    credential = [NSURLCredential credentialForTrust: challenge.protectionSpace.serverTrust];
    lDisposition = NSURLSessionAuthChallengeUseCredential;
}
completionHandler(lDisposition, credential);}

Answer 2

After installing your self-signed SSL certificate (by dragging and dropping it) onto the iPhone Simulator, go to Settings > General > About > Certificate Trust Settings and enable full trust for your certificate.