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How to check whether the port is closed, many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can get something.

Check the method of whether the port is closed: 1, press the keyboard start key + Rten 2, enter the DOS command; 3, the right mouse button on a single machine, hang paste find command; 4, press the enter key to view.

How do I check to see if the port is closed?

1. Click the start menu in the lower left corner of the computer and select run. Or press the keyboard start key + R directly.

2. Enter cmd to enter the DOS command.

3, copy the string in parentheses (netstat-ano-p tcp | find "445" > nul 2 > nul & & echo 445 port is open, please close the port and patch as soon as possible | | echo port is not open you can rest assured to use), in the black area, stand-alone mouse button, hang paste, note that you can not use ctrl+V shortcut keys to paste.

4. Press enter after typing to see if port 445 is closed.

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