Virtual Hosts (XAMPP, WAMP, MAMP etc.) are software packages used for local web development and testing. They use the HTTP and MySQL (or similar) protocols to create a web server environment on your computer. However, they do this locally, you can open and manage this access to the internet with localtonet:
And that's actually it! No further adjustments should be required at your network or router end. Through these steps, you can easily Virtual Hosts using Localtonet.