Windows Firewall Is Preventing Connections To Your Computer

Windows Firewall Is Preventing Connections To Your Computer

Microsoft incorporated Windows Firewall, as a built-in security application in Windows 10 Operating System. Windows Firewall filters both inward & outward network data transmission. The Firewall also blocks suspicious and harmful connections upto higher level. The user can configure Windows Firewall Settings as requirement to block or open port in Windows 10 or above versions. Read on Windows Firewall is preventing connections to your Computer article.

We illustrate procedure to check if Windows Firewall is blocking a port or program, how to unblock blocked port or program and how to know the blocked ports. Windows Firewall is designed to protect PCs from Malware and Other security threats and block any unwanted program from accessing the internet. We added pictorial representation to diagnose all steps clearly. Read the article till end. So, get ready to check if Windows Firewall is blocking a port or program, unblock the blocked port and get blocked ports.

Procedure to Check if Windows Firewall is blocking a port or program

1.       Go to Search bar and Type Control Panel. Click on the related search result above.

2.       Opening of Control Panel can also be done by Pressing Windows Key + R and Type Control and Enter.

3.       Navigate and Click on “Administrative Tools”. 

Lots of Services are listed there. Navigate below and click on “Windows Defender Firewall with Advanced Security”.

4.       In this Window, Click on Action tab at the top. As a result, drop down menu will open. Click on Properties.

5.       A new Window will open with four integral tabs. They are Domain profile, Private profile, Public profile and IPsec Settings.

6.       User need to select their preferred profile (Domain, Private or Public). You can know the firewall operation on Inbound & Outbound Connection with Protected network connection.

7.       Suppose you have selected Domain Profile. Navigate below to “Logging” Panel. Click on Customize button. As a result, a new Window will open.

8.       Click on the drop-down menu adjacent to “Log dropped packets”. Set it to “Yes”. 

Click on OK to save the changes. Before pressing OK button, Copy the Path with pfirewall.log extension.

9.       Open the File explorer and paste the path. Or navigate to the path where the log file is saved. The path may be “%systemroot%\system32\LogFiles\Firewall\”.

10.   Click on the pfirewall.log file and check for blocked ports.

Procedure to Know the Blocked Ports using Command Prompt

1.       Go to Search bar and Type cmd to Open Command Prompt. Right click on best match “Command Prompt” above and Select “Run as Administrator”.

2.       In Command Prompt type netsh firewall show state and hit enter. After hitting enter all blocked and active ports configured by the Firewall.

Procedure to Unblock blocked Ports from Windows Firewall Program

1.       Go to Search bar and Type control to Open Control Panel. Navigate below and click on “Windows Defender Firewall”.

2.       At the upper left section of the Window you have “Allow an app or feature through Windows Defender Firewall”. Click on it. As a result, a new Window will open with the heading “Allow apps to communicate through Windows Defender Firewall”.

3.       A list of Application or Program with blocked and unblocked state are seen in this Window.  

4.       You can check or uncheck your application from here only. If any apps are unchecked, the app is blocked on the Firewall. You need to uncheck the app and finally click on OK to save the changes.