No Poster/Image Download on QNAP NAS

[Coxeroni]

There seem to be issues with the Cable Fritzbox described in this thread:

Scanning library takes hours just for a couple of movies/shows

@reap @AdmiralAckbar73 @ChuckPa @preacha @xLuchs I solved it. Guys… really. It’s working again. This is a combination of multiple factors. If: you are using AVM FritzBox 6591 or 6660 and using any new Vodafone subscription which involves DOCSIS 3.1 and have a FritzOs which is quite new (>7.10 or so) this problem hits you. The solution is quite “easy” if you know what happens and I stumbled uppon this solution by accident. I tried to capture the network stream between my host machine and …

The linked post is the direct fix for it (more a work-around).