Can you port forward to anything else in your network that you know works 100% to check if the problem is something besides Pangolin?
FYI there seems to be some shenanigans going on right now with Alist, might want to look it up:
Reddit: Alist was just sold—and now adds hidden telemetry
Can you port forward to anything else in your network that you know works 100% to check if the problem is something besides Pangolin?