Well, it's purely memo-type.
1. Install peanut shell and register a free domain name.
2. The network environment determines the future operation
① If your machine is connected directly to the extranet, the router is not used, so you can use it.
② There are routers in the case.
Because the router has a DHCP address assignment, so first of all need to fix your computer installed with Ufida machine IP address, this thing in the router's settings interface can be seen, generally in the DHCP settings, you can set up static IP address to a machine, this is required to see the MAC address of the network card. Query by Ipconfig/all.
The most important step, port mapping, Ufida port is generally 8282 and 211 ports, can be in the router's forwarding rules-Virtual server to set.
Ports and settings See diagram
After setting up, you can install Ufida clients on other computers, choose the Internet address when you log in, enter the free domain name you registered in the peanut shell, and, of course, you can ping your domain name first to see if the address you are resolving is your public IP address. As long as it is, you can access it.