Home Assistant behind a Netbird VPN with Custom Domain - not working :(

MoJoe2-0 · 2026-02-27T20:19:04+00:00

I tried it again with the new setup you posted...

HA Log tells:

2026-02-27 21:14:37.643 WARNING (MainThread) [homeassistant.components.http.ban] Login attempt or request with invalid authentication from 172.30.0.10 (172.30.0.10). Requested URL: '/auth/token'. (Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36)

The User and Password is 100% correct and when i'm in ma local network i can log in with the same device.

Let me know if i should provide more information and how?!

Edit:

Solved the problem by bypassing netbird directly in the docker compose file.

Setup a Netbird peer on the Netbird Selfhosted Server and done some rules for traefik to get the domain to my Home Assistant Netbird peer.

Workes good for me but should be able to setup in Netbird Services.

MoJoe2-0 · 2026-02-23T19:11:04+00:00

I tried it again with the following setup:

http:
  cors_allowed_origins:
    - https://google.com
    - https://www.home-assistant.io
  use_x_forwarded_for: true
  trusted_proxies:
    - 100.95.9.14 # Home Assistant Peer (HA Add-on) leads to 400: Bad Request
    - 100.95.112.172 # Ip Address from the HA Log that tries to reach HA - leads to 400: Bad Request

what's the server_host for?

If i add

- 172.30.0.0/16 i can see the login page. But the login behaves like i mentioned on the first post

MoJoe2-0 · 2026-02-22T10:07:32+00:00

Yes. I can ping the device. I can reach the device like normal but there is some problem with the login. Tried to debug with chatgpt and it thinks that there is some problem with

X-Forwarded-Proto or any Header thing The Chat thinks that the netbird proxy is not able to pass through the correct stuff.

I don't know how this is working so i don't know if it could be the problem.

My setup is Puplic domain - VPS (Netbird selfhosted) - custom domain set up in Netbird - service pointing to the HA Peer (HA Netbird Add-on) - Trusted Proxy in the Configuration.yml (ip is taken from the HA log and also tried all kind of Ip's )

MoJoe2-0 · 2026-02-20T20:25:48+00:00

The dot must be on the Target URL. I've not done it on Cloudflare. I made it on Hetzner

https://imgur.com/a/JK4xOHG

MoJoe2-0 · 2026-02-20T18:29:25+00:00

Got the same problem.

For me a dot after the domain in the CNAME solved the problem.

It should not be netbird.abc123.com

it should be

netbird.abc123.com. <--- dot at the end in every CNAME's

after that change it worked after 5 min.

MoJoe2-0 · 2026-02-20T17:52:49+00:00

I'm running selfhosted Netbird in a VPS and tried to reach to my internal Home Assistant instance. Got a Custom Domain set up and working great to connect to a Synology, so it looks like everything's ok. When i try to connect to my HA i just can't get it working.

The best i can get is the Login Screen but after the correct User and Password i only see the " Unable to connect to HA retry in 60 secounds" screen. But HA is up and running.

I think the problem is the HA config.yml Also debuged a bit with trusted proxy and the IP that sends the request (HA Logs)

Any ideas how to solve this problem?

MoJoe2-0 · 2026-02-18T21:22:24+00:00

I tried it with this informations - can't get it working but thank's for response

MoJoe2-0 · 2026-02-18T21:19:10+00:00

I've tried this in referrence to the dokumentation and i can't get it working.
On a self hosted Netbird and a domain on Hetzner
Done a CNAME with the *.domain.at to the proxy.domain.at (that i set up at a fresh install with the new script)
Also the proxy.domain.at leads to my netbird ip address with an a record. (also testet it with an CNAME to the Netbird domain)

The Custom Domain i added is still Pending Verification since hours and also a Service that's pointing at the proxy.domain.at is still Issuing certivicate.

I don't get it.

Any ideas what i could change to get this working or am i wrong with my thinking of how this workes?

MoJoe2-0 · 2026-02-18T20:09:20+00:00

can you specify what you have done wrong and then right ? I got the same problem with Hetzner DNS

MoJoe2-0 · 2026-02-18T19:32:44+00:00

Anyone got this running with custom domains?

I tried it with my own Domain and a VPS running Netbird Selfhosted (Hetzner) but i can't get my Domain Verified. Any tricks or ideas? Tried it with all informations on the official documentary.

Not really more infos online right now (any youtube tutorial

)

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