After some time experimenting with different configurations, I managed to solve the issue of accessing my Home Assistant (HA) instance from outside my local network. Here’s my journey and the solution I found, in case others are facing similar challenges.
The Setup
- Home Assistant: Installed on a Raspberry Pi 3 B+ with a static IP.
- Home Server: Running Debian 11 with WireGuard installed and functioning well.
- Phone: Android, permanently connected to my home server via the WireGuard tunnel for accessing services like Nextcloud.
The Problem
While my VPN connection to the home server worked perfectly, I couldn’t access HA on my phone. The HA app couldn’t find the server on the network, and manually entering the IP resulted in an “Error Code -6: ERR_CONNECTION_REFUSED.” I suspected the issue was due to HA and the VPN being on separate machines, but I wasn’t entirely sure.
The Solution
After some research and trial and error, I discovered that the problem was related to the WireGuard configuration. Specifically, the Raspberry Pi’s IP wasn’t included in the allowed IP list on my WireGuard setup. Once I added the Pi’s IP to the allowed list, HA became accessible through the VPN!
Key Takeaways
- Check Your VPN Configuration: Ensure that all devices you want to access externally are included in the allowed IP list of your VPN setup.
- Test Locally First: Make sure HA is accessible on your local network before troubleshooting external access issues.
- Log and Debug: WireGuard and HA both provide detailed logs that can help identify connection issues.
I’m really happy to have this working now. It’s been a great learning experience, and I hope this helps someone else who’s struggling with similar issues!
Cheers,
Matt