How to view the port of win7 computer?

computer port, for many users, we use it less in daily work, but many friends may not know, some hackers will use the computer port when stealing other people's computer information, so in some respects In terms of this, this is one of our computer security risks. In many systems, some computer ports are open, some may be dangerous, but some are dangerous, so we understand the information about the ghost win7 computer port. Still 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, so you can 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, TIME_WAIT represents the end of the visit, CLOSE_WAIT represents the wait A connection interrupt request from a local user.