How to block a port in a Windows firewall?
Blocking a port in Windows Firewall is an essential way to manage network security and control access. This guide will show you how to quickly block a specific port, helping you protect your system from unwanted traffic and potential threats.
Press "Win + R
" type "control
" and press Enter to open the Control Panel.
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Navigate to "System and Security
" > "Windows Defender Firewall
".
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In the Windows Defender Firewall window, click on "Advanced settings
" on the left.
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In the "Windows Defender Firewall with Advanced Security" window, select "Inbound Rules
" on the left.
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Click "New Rule
" on the right pane.
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Choose "Port
" and click "Next
".
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Select "TCP
" and specify the port number. Enter the specific port number or range you want to block (e.g., 21,22
) Then, click "Next
".
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Select "Block the connection
" and click "Next
".
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Select the network profiles (Domain, Private, Public) where the rule should apply and click "Next
".
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Specify a name for the rule and click "Finish
".
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Done, Now ports 21,22 are blocked.
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