How to view the port of win7 computer?

Computer port, for many users, we use it less in our daily work, but many friends may not know, some hackers will use the computer port when stealing other people's computer information, so from some aspects Speaking, this is one of our computer security risks. In many systems, some computer ports are open, some may not be dangerous, but some are dangerous, so we understand the information of the ghost win7 computer port or More necessary.
1. Press win+R at the same time to open the computer's running window, then type cmd and click Enter, this will open the command prompt window.

2. Enter the code netstat –an in the command prompt window and click Enter. This will allow you to view the port information of the computer, as shown in the following figure.

3. You can see the last column of information, that is, the state, where LISTENING represents the current listening state, ESTABLISHED represents the established connection, is in communication state, TIME_WAIT represents the end of the access, CLOSE_WAIT stands for waiting for a connection interrupt request from a local user.