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How To Block An App In Firewall

  1. 1

    Open Start . Click the Windows logo in the bottom-left corner of the screen.

  2. 2

    Open Firewall. Type in Windows Defender Firewall, then click Windows Defender Firewall at the top of the Start window.

  3. 3

    Click Advanced settings . It's a link in the upper-left corner of the Windows Firewall window.

  4. 4

    Click Outbound Rules . This tab is on the left side of the window.

  5. 5

    Click New Rule… . It's in the upper-right corner of the window. Doing so opens a new window in which you'll create your Firewall rule.

  6. 6

    Check the "Program" box. You'll find this option at the top of the page.

  7. 7

    Click Next . It's at the bottom of the window.

  8. 8

    Select a program. Before you can block a program, you'll need to select the program in order to find its path:

    • Check the "This program path" box and click Browse....
    • Click This PC on the left side of the window.
    • Scroll down and double-click your hard drive's name (e.g., OS (C:)).
    • Double-click the Program Files folder.
      • If the program you want to block is elsewhere, go to the program's folder instead.
    • Find the folder for your program, then double-click the folder.
    • Select the program file by clicking it once.
  9. 9

    Copy the program's path. Click the address bar at the top of the window to select the path there, then press Ctrl+C to copy the path.

    • This is necessary because Windows will restructure the path to the file once you open the file in Firewall, thus breaking your outbound rule. You can bypass this problem by manually pasting in the path to the file.
  10. 10

    Click Open . It's in the bottom-right corner of the window.

  11. 11

    Replace the path before the app's name with your copied one. Highlight the path in the "This program path" text box all the way up to the last backslash before the app's name, then press Ctrl+V to paste in your copied path.

    • For example, if you wanted to block Chrome in the path "C:\Program Files\Google\Application\chrome.exe", you would select all but the "\chrome.exe" section and replace it with your copied text.
    • Leaving the app's name and extension at the end of the path is crucial, as failing to do so will leave you with a rule that doesn't block anything.
  12. 12

    Click Next three times. This button is in the lower-right side of the window on each page. Doing so takes you to the final page.

  13. 13

    Enter a name for your rule. Type whatever you want to name your rule into the top text box on the page.

    • For example, if you're blocking Google Chrome on your computer, you might name your rule "Chrome Block" here.
  14. 14

    Click Finish . It's at the bottom of the window. Doing so saves and applies your rule; from now until you delete or disable the rule, your program will not be able to access the Internet.

  1. 1

    Open Start . Click the Windows logo in the bottom-left corner of the screen or press the Win key.

  2. 2

    Open Firewall. Type in Windows Defender Firewall, then click Windows Defender Firewall at the top of the Start window.

  3. 3

    Click Allow an app or feature through Windows Firewall . This link is at the top-left side of the Firewall window.

  4. 4

    Click Change settings . It's at the upper-right side of the window, just above the list of programs on your computer.

    • You may have to click Yes on a pop-up window after doing this before you can continue.
    • If you don't have administrator privileges on your computer, you won't be able to do this.
  5. 5

    Locate a program you wish to block. The list of programs in the middle of the page displays all programs that Windows Firewall is either blocking or allowing; you can scroll down it to find your specific program.

  6. 6

    Add a program to the list if necessary. If you can't find your program in the list, you can add it by doing the following:

    • Click Allow another app... below the list.
    • Click Browse....
    • Go to the location of the app or program file (usually an EXE) that you want to block.
    • Select the app or program file.
    • Click Open, then select the program's name in the window and click Add if it doesn't automatically add.
  7. 7

    Click the checkmark to the left of the program. Doing so should remove the checkmark, thereby blocking the program through Windows Firewall.

    • If there is no checkmark to the left of the program, Windows Firewall is already blocking the program.
    • Leave the two checkboxes to the right of the program ("Home/Work (Private)" and "Public") alone.
  8. 8

    Click OK . It's at the bottom of the window. This will both save your changes and prevent the program from connecting through the network (and/or from running properly on your computer).

Add New Question

  • Question

    What do I do if the name of the program doesn't appear on the list?

    Community Answer

    Choose the option "Allow another app," and find your program on the computer.

  • Question

    I unchecked the program, but soon it is checked again. Why is that?

    Community Answer

    When the program is unchecked, it means it's only temporarily blocked. It will unblock after a certain period of time. If you wish to fully block it, remove it from the list.

  • Question

    How do I block cookies?

    Community Answer

    Cookies can be blocked via your browser settings. Additionally you can deselect the option to store cookies on your computer, and clear existing ones by getting a legitimate anti-malware program.

  • Question

    Why is a program still being blocked after I have allowed it through?

    Community Answer

    It's possible that it's being blocked in your router/modem. Most modern modems, or modem and router combos, have firewall settings. Google the make and model and you should be able to find a description of how to log in and change the firewall settings. Also, in some very rare cases, ISPs will block certain types of traffic.

  • Question

    What do you mean by "...this is necessary because Windows will restructure the path to the file once you open the file in Firewall, thus breaking your outbound rule" in Method 1, Step 9?

    Community Answer

    Copying the path is necessary because after clicking Open, the path you see in the bar next to the Browse button is changed/restructured.

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  • Blocking a program through the Firewall is a good way to prevent persistent malware or bloatware from slowing down your computer.

  • If you don't know where the program you want to block is, you can find it by right-clicking the program's shortcut, clicking Open file location, and repeating until you get to the program's folder.

  • Blocking a Windows program through Firewall may cause some Windows processes to stop working.

About This Article

Article SummaryX

1. Type "defender" into the Windows Search bar.
2. Click Windows Defender Firewall.
3. Click Advanced settings.
4. Click Outbound rules.
5. Click New rule.
6. Select Program and click Next.
7. Select the program.
8. Follow the on-screen instructions.
To learn how to temporarily disable a program, keep reading!

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How To Block An App In Firewall

Source: https://www.wikihow.com/Block-a-Program-with-Windows-Firewall

Posted by: lasalleflar1946.blogspot.com

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