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

It can also be used toblock suspicious and harmful programs.

At times, the Firewall may block some ports or programs accidentally.

But how to test whether Firewall is blocking a port or a program?

How to test whether a Port Is Blocked by Firewall?

it’s possible for you to check your Firewall blocks which ports by using Run or Command Prompt.

Here are two guides:

Check Blocked Ports in Firewall via Run

1.

Typecontroland pressEnterto openControl Panel.

Double clickWindows Defender Firewall with Advanced Securityto open it.

Go toAction > Properties.

Click theWindows Defender Firewall Propertieslink.

Switch to your preferred profile (here isDomain Profilein this example) and then clickCustomizein the Logging section.

8. fire up the dropdown menu forLog dropped packetsand selectYes.

Remember the path in the Name section.

Or you’re able to directly copy the path.

ClickOKto save the change.

Open File Explorer and then go to that path.

The path looks like%systemroot%system32LogFilesFirewall.

12. launch the log file which is named aslog.

Then, you could check for the blocked ports in the log file.

We will introduce one method in the next part.

Do you gotta permanently disable Windows Defender Antivirus on Windows 10?

In this post, we will show there ways to do this job.

How to test whether Windows Firewall Is Blocking a Program?

you might check which program is blocked by your Windows Firewall in the tool itself.

It is very simple to do this job:

1.

Use Windows Search to search forWindows Firewalland then selectWindows Defender Firewallfrom the search result.

ClickAllow an app or feature through Windows Defender Firewallfrom the left list.

After that, you might click theOKbutton on the bottom to save the change.

Those are the methods on how to find out if Firewall is blocking a port or a program.

you might just use one way to help you out.