Websites and sshd not working properly, don’t know how I got this far. Seems like a port block, presumably from the ISP. Let’s see if this posts.
EDIT: almost certainly from the ISP side due to intermittent access without changing anything from my end, wonder if they’re cutting off access to inbound ports for residential customers now. I can reach the VPSs just fine from the LAN so my local servers appear to be running normally. Also tried changing some of the listening ports to what should be “residential ISP safe” values and reconfigured the hardware firewall and still have issues.
EDIT 2019-10-26: Working better now, perhaps resolved? Wonder what was going on with the ISP then, eh.