Video requiring asp.net authentication not working on iOS 10

Question

On Safari in iOS 10 my video doesn\'t work, only showing the play-icon.

I serve the video via an asp.net server, which checks to make sure the user has logged on and

Answer 1

My solution is here: https://stackoverflow.com/a/40015409/7012293

Basically you need to send a 403 forbidden if the session cookie is missing. Safari will retry with the session cookie.