Try booting something different on proxmox like an ubuntu live desktop, just to make sure networking is working there. Seems like haos can’t talk to the Internet.

Yeah I’m not defending it, just doubt it was intentional, hopefully they sort their shit out. The fact that it’s a GoDaddy project bouncing you isn’t a great sign of that.

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Probably just over zealous ddos protection. It’s often a balance of a few false positives in order to keep the site online.

If a controller is still connected (Bluetooth?) it may be a controller order issue, you can try reordering them.