Uploading files to a NTLM protected site inside a UIWebView using NSUrlSession with Xamarin
When using NSUrlSession to manage requests made from a UIWebView to NTLM protected web content, an upload file request fails when a NTLM handshake is performed. There are three factors that cause the failure to occur: (1) NTLM is a connection-based authentication protocol and the NSUrlSession doesn't always