It can filter information from the internet and block potentially harmful programs.

Do you know how to look to see if Firewall is blocking a port or a program?

In this post, we will show you how to do this job using different methods.

How to Check if Firewall Is Blocking a Port or a Program?

As time goes on, the tweaks in Windows Defender Firewall change according to your manual tweaks.

For some reason, you may need to reset Windows Defender Firewall (Windows Firewall).

In this post,MiniTool Softwarewill show you how to do this job using different methods.

click Windows Defender Firewall

How to Reset Windows Firewall on Windows?

Here is a guide:

1.

Use Windows Search to search forcontrol paneland selectControl Panelto open it.

click Restore defaults

ClickRestore defaultsfrom the left list.

Click theRestore defaultsbutton to reset Windows Firewall to default.

You will receive aRestore Defaults Confirmationwindow where you’re gonna wanna clickYesto confirm the operation.

click the Restore defaults button

After these steps, you will go back to the Windows Defender Firewall window.

All the Firewall rules are reset to the factory tweaks.

Method 2: Use Windows Security to Reset Windows Firewall

This method is for Windows 10 only.

click Yes

Go toSettings > Update & Security > Windows Security > Firewall & online grid protection.

Click theRestore firewalls to defaultlink.

ClickYeson the pop window to confirm the operation.

click Restore firewalls to default

This guide tells you how to reset Windows Firewall controls to default:

1.

Typemscin the Run dialogue and pressEnter.

ClickYeson the pop-up window to confirm the operation.

run command in Command Prompt to reset Windows Firewall

Those are the 5 methods to reset Windows Firewall options to default on your Windows computer.

We hope they can help you solve your issue.

you could first use the trial edition to see whether it can find your needed files.

run command in PowerShell to reset Windows Firewall

it’s possible for you to select a suitable edition from the MiniTool official site.

Should you have any related issues, you might let us know in the comment.

select Restore Default Policy