The problem was solved by calling UPC (again) and asking them to put the router in bridge modus (which the apparently not have done earlier). Still keen to understand whether upnp could be turned of...

You are correct that it needs port forwarding and that is what I did (port 32400). Appartently I am in double NAT setup. Setup as follows: UPC router (in bridge modus) DECO m9 (acting as router)...

Hi Fellow Deco users, I am trying to get my plex application to be accessed from outside the network and it seems that it is impossible to activate uPnP? Plex require this to be on but I can't find...