Check with your ISP whether port forwarding can work in your case. In my case it was impossible (without paying for public IP).
If not - this approach Tailscale implementation with ARC to circumnavigate ISP CGNAT worked fine for me on QNAP.
Check with your ISP whether port forwarding can work in your case. In my case it was impossible (without paying for public IP).
If not - this approach Tailscale implementation with ARC to circumnavigate ISP CGNAT worked fine for me on QNAP.