When you say “no port forwarding”, do you mean you aren’t given a public routable IP address and you’re behind Carrier Grade NAT? Does your router get an IP address starting with 100 or 10?
If so just request a public IP, it might cost you extra but it’s worth it, that should open up the port forwarding option on your router.
I imagine you’re with a new altnet provider in the UK, is it LilaConnect by any chance?
I don’t get why big companys are afraid of open source software.
Some definitely have a legitimate fear - incorrectly linking their closed source app with a GPL 3 project can put them in a place where they need to disclose their source to an end user. Some people refer to GPL as “poisonous” for this reason.
The RHEL issue one is definitely an interesting beast, though. It will either improve their sales or piss off enough people in the community into not maintaining RHEL support and telling their large customers that RH/IBM are no longer trustworthy. This could be Oracle’s time to actually give something back to the community and shepherd a new ‘open’ enterprise standard distribution, but given their track history…
When you add a request you can select the target directory where you want the files to end up (Root Folder). If you follow the Linuxserver.io setup, you should have created a bind volume called /media for where you want your media to end up for the use of Jellyfin which you can use.