Problem category
Smart Home
Controllers, devices, and integrations.
- published
Home Assistant Blocks Requests from a Reverse Proxy Until It Is Trusted
Confirm direct access works, verify that Trust X-Forwarded-For and the proxy address are set as a network CIDR, then save and confirm the restart within the Home Assistant 2026.8 revert window.
- published
Mosquitto Rejects the MQTT Client Connection
Prove TCP reachability to the broker first, then read the MQTT CONNACK refusal code and match the listener-specific authentication on Mosquitto 2.1.x before changing any broker configuration.
- published
Zigbee2MQTT Cannot Open the Adapter Serial Port
Separate a missing USB device from an incorrect serial path, runtime mapping, access denial or a competing coordinator owner.