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How to Check Open TCP/IP Ports in Windows
Run the command "netstat -ab" in an elevated Command Prompt, PowerShell, or Terminal window to see a list of applications and their associated ports. Checking open ports can be done using built-in ...
How do you test to see if on a computer running Windows 2K has certain ports open for UDP? Netstat -a for all UDP ports returns *:*. It doesn't say if it is listening.
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