1. First, you need an account with full access to the router: you can search on Baidu or contact the operator to get a router account with full access;
2. Enter the address of the router: generally, 192, 168, 1 and 1 are the address of the router by default. Enter the address of the router in the URL input area of the browser, and log in to the router management interface with an account with full access to the router;
3. Enter the configuration interface: click "Application Options" in the page, then click "Advanced NAT Configuration" to enter the main interface, and then click "Virtual Host Configuration" to enter the configuration interface;
4. Settings: Set the port mapping parameters in the configuration interface, and set