Sorry for the late reply, I never got around into doing this.
What does a certificate do except removing this box when you login?
@stjose Does https://www.noip.com/ provide a certificate as well? It is safe and secure to use?
@jonah Circling back on this topic Thinking of switching from QNAP to Synology or Asustor
I wouldn’t need to do all these steps (router DDNS) if I just used tailscale instead correct? I believe Tailscale is being advocated as better then Open VPN? Why is that?