How to Block a Program in Windows Firewall

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Windows Firewall Tutorial

How to Block a Program in Windows Firewall

This tutorial will take you every single step of the way through creating a Windows Firewall Rule to block a specific program (whichever you want) in Windows.

1

Press the key combination Windows logo key + R to open the Run dialog.

2

Type wf.msc in the Run dialog and press Enter. This will open the Windows Firewall with Advanced Security window.

3

Click on Outbound Rules in the left-side menu of the Windows Firewall window:

Outbound Rules
4

Click on New Rule… on the right-side menu:

New Rule
5

In the New Outbound Rule Wizard, select Program in the Rule Type window and click Next:

Rule Type Program
6

In the Program window, either manually type the full path and file name of the program you want to block, or click on the Browse button to select the program file. Click Next to continue.

Program Path Selection
7

In the Action window, select Block the connection and click Next:

Block the Connection
8

In the Profile window, select all options and click Next:

Profile Options
9

In the Name window, give a name to the new rule (e.g., Isobuster or any name to help you identify it later) and click Finish:

Rule Name

You’ll now have an entry at the top of the “Outbound Rules” list for your new rule. If your goal was blanket blocking, you’re all done! If you want to tweak and refine the rule, you can double-click on the entry and make adjustments—such as adding local exceptions (e.g., preventing internet access while still allowing connection to another PC on your local network for sharing network resources).

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