OctoPrint and Reverse Proxies

Octoprint, when used with a reverse-proxy , must have websockets enabled for login — sometimes. I don’t know why, but without websockets, I was able to log in from a desktop browser but not from mobile.

For testing, see:

• https://octoprint.example.com/reverse_proxy_test/
• https://octoprint.example.com/reverse_proxy_test/?authenticated=