The so-called peer-to-peer computer is a relative concept corresponding to local computer. Simply put, it corresponds to a local computer, and the computer at the other end of the same optical fiber can be called a peer computer.

The concept of peer-to-peer computer is common in website maintenance, and the general peer-to-peer computer refers to peer-to-peer FTP server.

Second, how to judge whether the 8080 port of the other computer is open?

(a) open cmd and enter? Telnet and press enter. There are two situations.

1, without prompting the command:

Go to the control panel-> programs-> to turn on or off the windows function, and enable the telnet client and telnet server functions.

2. The command runs successfully.

(2) Start testing the 8080 port of the other computer.

This is to test whether the 8080 port of192.168.1.42 is enabled.

1. Close the previous telnet command window and reopen the cmd command window.

2. Take port 8080 of zhidao.baidu.com official website as an example, enter telnet in the cmd command window. Zhidao.baidu.com 8080 and press Enter.

3. Wait a minute. If the cmd command window automatically closes or prompts for connection, the port is closed.

4. If the following new window pops up, the port is open.