Open the system user and set the password of the system user (the password of the remote desktop user is not empty). In the system properties-Remote-Remote Desktop, "Allow remote users to connect to this computer" is selected. Log in to the router configuration interface and configure the 3389 port mapping of the client in NAT forwarding (you can also fill in the IP address of the client in the DMZ host virtual server).

Install peanut shell domain name resolution software. However, registered account users can generally realize remote desktop connection by implementing 1.2 steps in the local area network. If users from the external network access the internal network, they should map ports on the router. If it is a dynamic external IP, domain name resolution is required.

Distance education, in some documents issued by the Ministry of Education, is also called network education, which is one of the adult education qualifications (adult education qualifications include self-study, adult college entrance examination correspondence, night university, TV University). It refers to the teaching mode using TV and Internet, which breaks through the boundary between time and space, and is different from the traditional teaching mode that needs to sit in the classroom of the teaching building.