CDRX2

Thanks for getting back! I'd already tried both with and without the https:// prefix. It has no influence, still getting sonarr cannot be reached.

I'm using self-signed certificates. I've tried adding it with SSL unchecked, no change. I disabled SSL enforcing in my proxy, no change either with or without SSL checked.

Ok, forgot about the port change... Disabling SSL on that specific proxy host and then adding it with http and not https works. The issue is therefore most likely with...

Well, yes and no. They are both routed through the same proxy with the same certificate. But of course, you're right about the rest. I guess I'll investigate further.

Thanks! I have actually registered the certs as trusted with HA. However, there was one small detail I overlooked as described in [this post](https://github.com/Athozs/hass-additional-ca/issues/13#issuecomment-2645805367). I re-created my CA, re-signed my...