I want to access an unrestricted desktop at home (preferably a docker novnc desktop container), from the very restricted office laptop/network.

The foundations are clear, started a docker container with novnc access published the porst, forwarded the required ports on my router, and i can access it from outside using my phone, or my own laptop, but can't from the office.

The novnc landing page loads, but the connection to remote desktop fails, probably because the websockets connections are also blocked in office, so only the plain http(s) accesses are allowed (not even RDP is allowed).

(Not even dyndns providers are allowed, but i can note my current ip address in my phone :D )

Ofc i barely can install anything on office laptop, so i can create fe openvpn tunnel, etc...

Do you have some hints if it can be solved?