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I want to know if security software is blocking the specified port (3306).
I'm not sure if I look at the security software settings.
Is there a command to check if the specified port of your computer is blocked from the command prompt?

Tried

The netstat -n command did not show the target port (3306).
Is it okay to judge from this result that the target port is not blocked?

Supplemental information (FW/tool version etc.)

Windows 10

  • Answer # 1

      

    The netstat -n command did not show the target port (3306).
      Is it okay to judge from this result that the target port is not blocked?

    No. I can only tell that there is no program waiting on port 3306.

    If you don't know how to set the security software, it is unclear if the port is blocked unless you actually create such a situation.
    When you actually start a program that listens on port 3306 and connect to port 3306 from outside the PC, if you can connect, it is not blocked, and if you cannot connect, it is blocked.