What is Port Forwarding? A port is a communication endpoint in a networking system. You can recognize a port by its 16-bit unsigned number, and each of them specifies a particular process for a different network service. It is always associated with an IP address and a communication protocol. Each of the port sends its data through a networking device […]
What Is a VPN? In simple terms a VPN (Virtual Private Network), refers to a group of computers, operating together over a public network—i.e., connected to the Internet. When connected to a VPN, what usually happens is that you launch a VPN client, then you log in, the computer then exchanges trusted keys with a server that is quite far […]
What is Transparent Transmission? Transparent transmission means that no matter what bit combination the transmitted data is, it should be able to be transmitted on the link. When the bit combination in the transmitted data happens to be exactly the same as a certain piece of control information, appropriate measures must be taken so that the receiver will not mistake […]