The idea is to use a (windows) server as a proxy for outgoing traffic, hiding all the inner network servers. This reverse proxy shouldn't inspect anything but act like a transparent channel
Here is an article that explains how to do this: https://woshub.com/port-forwarding-in-windows/
An example:
netsh interface portproxy add v4tov4 listenport=8080 listenaddress=192.168.66.1 connectport=443 connectaddress=some.online.com
Tags
Http