![]() ![]() To find out more about the keys referenced above, read this already mentioned technote. If you need to provide exceptions for additional domains then you would add another dictionary property beneath NSExceptionDomains. Put the following properties block inside of the main properties dictionary (under the first ). The property list file will appear in the right pane. Next, you will add your web service's domain to the NSExceptionDomains dictionary.įor example, if I want to bypass the App Transport Security behavior for a web service on the host then I would do the following:įind the ist file in Project Navigator and "right-mouse" click on it and choose the Open As > Source Code menu option. To override, you will need to add the NSAppTransportSecurity > NSExceptionDomains dictionary properties to your ist. However, as was mentioned in other posts, you can override this new behavior from App Transport Security by specifying the insecure domain in the ist of your app. In other words, your web service request should: a.) use HTTPS and b.) be encrypted using TLS v1.2 with forward secrecy. Invalid certificates result in a hard failure and no connection.Certificates must be signed using a SHA256 or better signature hash algorithm, with either a 2048 bit or greater RSA key or a 256 bit or.Connection ciphers are limited to those that provide forward secrecy (see the list of ciphers below.).The server must support at least Transport Layer Security (TLS) protocol version 1.2.provide a default behavior that is secure.Īs explained in the App Transport Security Technote, when communicating with your web service, App Transport Security now has the following requirements and behavior:.The best practices behavior is enforced by the App Transport Security to: With the introduction of iOS 9, to improve the security of connections between an app and web services, secure connections between an app and its web service must follow best practices. Leaving the original answer for historic reasons and development phaseįor those of you who want a more context on why this is happening, in addition to how to fix it, then read below. The best approach is to block all arbitrary loads (set to false) and add exceptions to allow only addresses we know are fine.Īpple is not recommending switching this off - more information can be found in 207 session WWDC 2018 with more things explained in regards to security If you want to allow insecure connections for the subdomains of the specified address. To the XML above you can add: NSIncludesSubdomains ![]() PAGE_FOR_WHICH_SETTINGS_YOU_WANT_TO_OVERRIDEĭisallow arbitrary calls for all pages, but for PAGE_FOR_WHICH_SETTINGS_YOU_WANT_TO_OVERRIDE will allow that connections use the HTTP protocol. The XML (in file ist) below will: NSAppTransportSecurity ![]() Which help me understand reasons and all the implications. Blog post Shipping an App With App Transport Security.WWDC 2015 session 711 (Networking with NSURLSession).WWDC 2015 session 706 (Security and Your Apps) starts around 1:50.The default value of NO requires the default App Transport Security behaviour for all connections. Listed domains use the settings specified for that domain. Which means (according to Apple's documentation):Ī Boolean value used to disable App Transport Security for any domains not listed in the NSExceptionDomains dictionary. I change my plist to is a quick workaround (but not recommended) to add this in the plist: NSAppTransportSecurity I fix my add exeptiondomain but have this error in console NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9802) –Įdit from suggestion. NSTemporaryExceptionRequiresForwardSecrecy NSTemporaryExceptionAllowsInsecureHTTPLoads (Note that on 9.3 till 10.0 it is still working fine). Showing this error Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection. But after upgrade to 10.1 and Xcode 8.1 there seem to be a problem with the App Transport Security. I have an app that works fine in ios 9 and 10.0 (I have add the App Transport Security blocking with “Allow Arbitrary Loads = YES” to my ist.
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