Can't access Pulse from Windows

[ganzziani]

Hello! Nice project :)
I installed Pulse inside a Proxmox LXC.
I can access Pulse's web interface from my mobile, but I cannot access it from Windows.
From a Windows console, I can ping the IP but using curl, it says connection refused.
I can curl to Pulse inside a Proxmox console.

I've been troubleshooting and I can't find anything that would prevent me to access Pulse.
Is there anything in Pulse that would block me from accessing Pulse?
If so, how to whitelist any device from my internal network?