How to Close a TCP / UDP Port Using Windows Firewall | Password Recovery

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In this tutorial we’ll walk you through the procedure of closing a TCP or UDP port in Windows 10, without using any third-party software. • Choose the type of connection to apply, either TCP or UDP. For safety purposes, I’m going to block incoming connections through remote desktop services, so I choose TCP and enter the port 3389. • Now you’ve successfully blocked / closed a port using Windows Firewall. Whenever you need to open the port again, just delete the firewall rule you’ve created.

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