At the end I solved using OPNsense 18.1.
In fact while in OPNsense 19.1 port forwarding throught VPN didn't work, in pfSense 2.4.4 I had issue with port forwarding throught WAN.
In fact while in OPNsense 19.1 port forwarding throught VPN didn't work, in pfSense 2.4.4 I had issue with port forwarding throught WAN.