Form Authentication doesn't allow direct links? After login goes to homepage instead of direct URL entered.

Question

Here is the situation. I have a website that I want to protect with a user name and password. Under Protect -> Web Server -> Authentication Policies I create a new one called "Forms Without Passthrough". Mode is Form, authentication Template is the default. All groups are added. For "Authentication Forwarding" Mode is none and I remove basic headers. 
 
 This works as intended. Someone typing in www.mysite.com gets the login screen, they login, then they get the page. However if I send out a direct link, say www.mysite.com/videos/testvideo.mp4, they get the same login form, they login, then it goes the the sites home page. It seems to "forget" the rest of the path. 
 
 I don't see any settings for anything like this so I'm wondering if it's a bug. I'm running 16.05 MR3 although it seemed to do the same thing on 16.05 MR2. Is this a bug or is there a configuration I need to change? 
 
 -Allan

Evianne · Accepted Answer

Hi, this is a known issue. However, I would open a support ticket to raise the priority of that issue. 
 
 Best, Sabine

AllanD · Answer

Nope. We went back and forth and then they verified it was doing this, which it shouldn't be. But then asked me for more information. There wasn't anything else I could provide, they verified it was a bug and I thought we were done. But then they closed the case because I didn't respond.... 
 
 I suggest opening up your own case, point them to this forum post and also reference my case number of 7192405. Maybe if more people report it they will fix it. 
 
 -Allan