How to Allow an App Through Firewall in Windows 11

Here is How to allow apps through firewall on Windows 1, If a legitimate App or Program is being blocked by Windows Firewall

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Windows 11 comes with a built-in firewall that helps protect your computer from unauthorized network access and malicious attacks. The firewall can block or allow apps and features based on predefined rules or your custom settings. However, there could be situations where you may need to allow an App or program through Firewall that has been blocked incorrectly. In this article, we will show you how to allow App through Firewall in Windows 11 using the Windows Security app. You can also use other methods, such as the Control Panel or the Command Prompt, allow an app through Windows Firewall but we will focus on the most straightforward way.

Allow Apps Through Windows Firewall

To allow an app through Windows Firewall, Click on Start, then search for “Windows Security” and open it.

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Select Firewall & network protection from the left pane, then click on the “Allow an app through firewall” link at the bottom of the settings pane.

Allow an app through firewall

Click on Change Settings, then Yes, if UAC prompts for permission.

Change settings

Look for the app you want to allow through the Firewall. If you don’t see it, click on the “Allow another app” button at the bottom and browse for the app’s executable file.

Allow another app option

Check the box next to the app name to allow it through the firewall. You can also choose whether to allow it on private or public networks by checking the corresponding boxes on the right.

Click on OK to save your changes. You have successfully allowed an app through Firewall in Windows 11. You can repeat these steps for any other app you want to allow or deny network access.

Allow an app through firewall Greyed out

Sometimes, you may find that the option to allow an app through windows firewall is greyed out in Windows 11 and you can’t make any changes. This can happen for various reasons, such as:

  • Your user account does not have administrator privileges and you need to enter a password or confirm your identity to change the settings.
  • Your administrator has disabled the option for you to change the settings and you need to contact them for help.
  • Your computer is part of a domain or a group policy that overrides your local settings and you need to contact your IT department for help.

To fix this issue, you can try these steps:

  • Click on Start, then search for “Windows Security” and open it.
  • Select Firewall & network protection from the left pane.
  • Click on the “Allow an app through firewall” link at the bottom of the settings pane.
  • Click on the Change Settings button. If a User Account Control window appears, click Yes, or enter your user name and password, then click OK.

If you still see the option greyed out, check if your computer is part of a domain or a group policy that prevents you from changing the settings.

  • To do this, press the Windows + R keys to open the Run dialog box, type gpedit.msc and click OK.
  • In the Group Policy Editor window, navigate to Computer Configuration > Administrative Templates > Network > Network Connections > Windows Defender Firewall > Domain Profile (or Standard Profile).
  • Look for any policies that are enabled and related to allowing or blocking apps through Firewall and double-click them to change their settings.

If you still can’t change the settings, contact your administrator or IT department for help.

Why You May Need to Allow an App Through Firewall in Windows 11

There are several reasons why you may need to allow an app through firewall in Windows 11, such as if you encounter malfunctions or error messages related to network connectivity while using the app. Allowing the app through the firewall can resolve potential communication barriers, ensuring smooth functionality.

Some applications require communication with other devices or services on your local network or the internet. Allowing them through the firewall ensures seamless interaction and data exchange.

When dealing with applications from reputable companies or software suites you trust, allowing them through the firewall ensures that they can function without unnecessary restrictions.

Occasionally, an app might be blocked by default settings within the firewall. If you trust the app and want to use it without any hindrance, allowing it through the firewall becomes necessary.

However, before you allow an app through Windows Firewall, you should make sure that:

  • The app is safe and legitimate and does not pose any security risks to your computer or data.
  • Ensure that the app is updated to its latest version and is compatible with Windows 11.
  • Check whether the app requires specific ports or protocols to be opened in the firewall for seamless functionality.
  • Verify that allowing the app through the firewall does not conflict with any other applications or features already allowed or blocked by the firewall.

If you are not sure about any of these factors, you should consult with the app developer or vendor for more information and guidance.

How to Block an App Through Firewall in Windows 11

If you change your mind or encounter any problems after allowing an app through Firewall in Windows 11, you can easily undo your changes or block an App Through Firewall in Windows 11 by following these steps:

  • Click on Start, then search for “Windows Security” and open it.
  • Select Firewall & network protection from the left pane.
  • Click on the “Allow an app through firewall” link at the bottom of the settings pane.
  • In the list of Allowed apps and features, uncheck the box next to the app name that you want to block from network access.
  • You can also uncheck the boxes for private or public networks if you want to limit its access. Click on OK to save your changes.

That’s it! You have successfully blocked an app from accessing the network in Windows 11. You can repeat these steps for any other app you want to block or allow.

This is a simple and effective way to manage your network access and security settings for your apps and features. However, you should always be cautious when allowing or block apps through Firewall in Windows 11, as it can affect their functionality and performance as well as your computer’s security and privacy.

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Steve Ballmer
Steve Ballmer
With over 7 years of experience in the IT industry, I have experience in IT support, helpdesk, sysadmin, network admin, and cloud computing. Certified in Microsoft Technologies (MCTS and MCSA) and also Cisco Certified Professional in Routing and Switching.

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