The firewall refers to a security device for networks. It monitors the traffic and status based on a predefined set of security rules in order to determine whether to permit an access or not. In short, the firewall can protect abnormal access to the internet. However, many people encounter the same issue: security or firewall settings might be blocking the connection. How can this be resolved?

A firewall is a network security system or device employed to monitor and manage the incoming and outgoing network traffic on a computer according to a pre-established set of security rules. A barrier is created between a trusted network and an untrusted network to block internet access for security purposes.

Nevertheless, numerous Windows computer users suddenly receive this error message: Security or firewall settings might be blocking the connection. What actions should you take when the firewall blocks the internet?

A Firewall May Be Blocking Spotify: How to Fix It Properly?

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Solutions for Security or Firewall Settings Might Be Blocking the Connection

It's possible that your internet access is being blocked by a firewall or antivirus software might have suddenly blocked the connection. Fortunately, there are several ways to attempt when your internet access is blocked.

One: Reset Browser Settings

If you encounter the internet access blocking issue while using a browser, try fixing it by restoring settings to default. Let’s take Google Chrome as an example.

1. Open Google Chrome on your PC.
2. Click on the three vertical dots icon in the upper right corner to customize and control Google Chrome.
3. Select Settings from the drop-down menu.
4. Scroll down to the bottom in the left pane to find the Advanced section.
5. Choose Reset and clean up under it.
6. Select Restore settings to their original defaults in the right pane.
7. Click on the Reset settings button in the pop-up window to confirm the action.

For more information, refer to this page if your Chrome history is accidentally deleted and you wish to recover it.

Two: Run the Troubleshooter

1. Press Windows I on the keyboard to open Settings.
2. Scroll down to locate and select Update & Security.
3. Switch to the Troubleshoot option in the left pane.
4. Locate the Internet Connections option under Get up and running in the right pane.
5. Select it and click Run the troubleshooter button.
6. Wait and follow the on-screen instructions to complete.
7. Locate Incoming Connections under Find and fix other problems.
8. Repeat steps 5 and 6.
9. Do the same for Network Adapter.

Additionally, you can download and run the Windows Firewall Troubleshooter when the system indicates that the Windows firewall is blocking internet access.

1. Download the Windows Firewall Troubleshooter from Microsoft. Save it to a secure location.
2. Navigate to the WindowsFirewall.diagcab file and double-click on it.
3. Click on the Next button at the bottom right to proceed.
4. Wait and follow the on-screen instructions to resolve the issue.

Three: Uninstall Your Network Adapter

1. Press Windows R to open the Run dialog window.
2. Type msc and click OK to open Device Manager.
3. Find Network adapters in the list and expand it.
4. Right-click on your adapter and choose Uninstall device.
5. Click Uninstall in the pop-up window to confirm.
6. Restart your computer.

Four: Reset Network

1. Press Windows I.
2. Select Network & Internet.
3. Scroll down in the right Status pane.
4. Look for the Network reset link under Change your network settings.
5. Click it and then click Reset now.
6. Just wait.

Five: Reset Windows Firewall Settings

1. Press Windows S and type Windows firewall.
2. Select Windows Defender Firewall from the search results.
3. Click Restore defaults in the left pane.
4. Click on the Restore defaults button again.
5. Click Yes to confirm.

These methods may help you resolve the issue of security or firewall settings might be blocking the connection.

How to Allow a Program through Firewall Windows 10

You can also try allowing Chrome to access the network in your firewall or antivirus settings when the internet access is blocked on Windows 10.

Steps to change firewall settings Windows 10:

1. Repeat steps 1 and 2 of Reset Windows Firewall Settings.
2. Click Allow an app or feature through Windows Defender Firewall in the left pane.
3. Click on the Change settings button.
4. Check Google Chrome.
5. Click OK to confirm.

If you want to allow other browsers like Edge to access the network in your firewall, please check them in step 4.

How to change antivirus settings to allow Chrome or another app? The steps vary depending on the software you use.

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