URLReferrer is null when page is HTTPS
问题 We use the URLReferrer and a code passed in on the query string to produce online videos so that only our paid clients can link to our video playback page. This system has worked well for some time. I know the URL referrer can be spoofed, but who would tell their clients to do such a thing to access a video ? It's worked well for us. However, today I was asked about someone for whom it did not work. The URLReferrer is null, and their site is HTTPS. I have done some reading online and I get