Access Remote 4G Modem via OpenVPN

[Gil]

I have a NAT rule in my Remote pfSense Box to access my remote 4G Modem through the OpenVPN Interface.
This works fine for old modems with port forwarding to http (80) ports.
I cannot get it to work to a newer modem through https (443).

Interface

Protocol

Source Address

Source Ports

Dest. Address

Dest. Ports

NAT IPNAT Ports

However