netsh advfirewall firewall set rule group="Network Discovery" new enable=No

An open port is essentially a communication endpoint. While some are necessary for your apps and games to function, others can serve as an open invitation for hackers and malware.

In Windows 11, managing open ports is primarily done through the to allow traffic for specific apps, or via the Command Prompt to check which ports are currently active. 1. How to Open a Port (Inbound Rule)