I previously had remote access enabled via a synology box and it’s built in reverse proxy capability accessing via xxxx.synology.me and ports being forwarded on the router. This worked fine. I’m trying to move to cloudflare and split DNS with Traefik as a reverse proxy for internal access which works in all browsers I’ve tested, but not the android app. I get the error “The Home Assistant certificate authority is not trusted, please review the Home Assistant certificate or…”
What’s a little odd is that I DO still get HA notifications on the phone and location updates sent to HA even when not on home wifi. I just can’t get into the app when not on my home network.
Posts I’ve read talk about older phones not trusting the issuing authority. The certificate Cloudflare generates is issued by Google Trust Services:
“CN = GTS Root R4
O = Google Trust Services LLC
C = US”
I’ve tried exporting that certificate and the WE1 root certificate and adding both to the phone, but that also doesn’t work. I have cloudflare SSL set to “Flexible”.
I’m pretty much out of ideas here so any thoughts would be good.
I have the same problem at the moment in my installation and I don’t know how to figure out.
I have a docker instance connected through a zero trust tunnel to cloud flare, and my certificates are managed by them.
I think that is a bug of the android app, because the chrome browser marks the certificate as trusted
I have the same issue.
HA in a docker on Synology Nas,
cloudflared tunnel, OnePlus Nord 4, Android 15.
But I don’t think it’s caused by the app.
First of all, I have the same issue with other services (nextcloud, audiobooks held,…).
Second my wife’s phone (same like mine) still connects properly to all services, but she didn’t install the last android security update yet.
What totally confuses me:
Immich app still connects to my server via cloudflare.
In a browser I can connect to all services and the it shows up as secure connection.
I tried to install the root certificate from cloudflare as trusted cert, but it changed nothing.
Recently started having this issue as well. Only impacts the Android app (Chrome on Android works fine). And potentially happened only after the most recent Android monthly security update, but I’m not positive.
Happening same here on last Home Assistant Android app. My server was connected, showing certificate error (“trust error”), but working flawlessly. To fix message, I tried to disconnect and reconnect. Now I’m locked out of app.
Having the same issue for a couple weeks now. Using http:// instead of https:// and my domain through cloudflare works but not ideal. Have tried everything from installing root CA certs, wiping data for the app, reinstalling the app. Short of a wipe of my pixel 9 pro, I’m out of ideas. Everything else works though chrome as others have said.
Hoping someone from the companion app Dev team can chime in on where to from here
Just set up my Pixel 10 Pro and I’m getting this from the app. App on both P9P’s still works fine along with the website but the app is unhappy.
Mike
EDIT - Resolved: I connected the app to http://homeassistant.local:8123 successfully, dropped off wifi, edited the server to my tunnel http://****************.org and it worked.