I am trying to call Restful API on iPhone with .net backend .
Just for ios 13.4.1 I am getting the below error:
Request header field Authorization is not allowed by Access-Control-Allow-Headers
XMLHttpRequest cannot load http:***** due to access control checks.
Ionic:
ionic (Ionic CLI) : 4.2.1
Ionic Framework : ionic-angular 3.9.2
@ionic/app-scripts : 3.2.3
Cordova:
cordova (Cordova CLI) : 8.1.2
Cordova Platforms : ios 5.1.1
Cordova Plugins :cordova-plugin-advanced-http 2.4.1
cordova-plugin-ionic-webview 4.2.1