In the world of networking, ports are the virtual doorways to your computer. If you are a system administrator, a cybersecurity enthusiast, or a power user running a game server or web application on Windows 11, understanding is non-negotiable.
Example: To close port 445 (SMB), stop the “Server” service. However, this will disable file sharing.
Windows 11 is chatty by default. Here are a few ports that often open by default and why you might consider closing them if you aren't using them:
This article explores:
: Use netstat -ano to see the Process ID (PID) , which you can then match in the Task Manager (Details tab) to find the exact application.
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