Help setting up duckDns hass.io add-on with Unifi USG

Configuration
1

I am unable to access HA using the duckDns add-on without forwarding 443 to 8123.

when I have 8123 forwarded to HA ip 8123
When I go to my “mysite.duckdns.org” (yes i changed it to my site with typo) i get a login page for my Unfi router.

I am also unable to log in to localIP:8123
I get ERR_FILE_NOT_FOUND (in incognito too)
(no matter what the forwarding is)

I can login via my cloud link from nabucasa.

in USG

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If I change the port to 443 and the forward port to 8123 it works and I can sign in using ssl from my duckdns link.

Questions:

  • Do I have to forward 443 to 8123? The documentation for the hassio addon does not make that clear.
  • Why can’t I reach HA on my local with localIP:8123?
2

You can forward any port you want to 8123.

Some use 8123 to 8123 because I believe that was/is what the instructions have.

Some use 443 to 8123 because it simplifies the url. You can use https://yourdomain.duckdns.org without specifying any port because https implies port 443.

Some use ports higher than 65000 for perceived security through obscurity.

If 443 works for you, use it.

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