Virtualmin & Truenas

Hi, all, I have a home server serving my websites and emails from Virtualmin. I also have a nas with TrueNAS on it. But I seem to be having a problem allowing nginx proxy manager to run on the TrueNas server.

I would like to stream both Plex & Jellyfin, possibly even sonarr, and others.

My home server is on mask 150, with both port of 80 and 443 in my routers settings, but my TrueNAS is on 80, with no port apart from sonarr and a few others in my router.

I live in England and my ISP is Virgin Media.

I use a Hub5.

Please help as when I try to connect to the port on truenas for plex in nginx and forward that port it takes me to my own website.