How To Check Firewall In Windows

Configure Windows Firewall to allow Firefox access to the Internet

Windows provides a built-in firewall, which controls how programs access the Internet. If Windows Firewall doesn't permit Firefox to make connections, Firefox generates a "Server not found" mistake when you try to browse to websites.

Annotation: This article only applies to Windows. To run across instructions, choose the Windows version from the dropdown menu in a higher place.

Tabular array of Contents

• 1 Checking for Windows 10 Firewall
• ii Configuring Windows x Firewall
• three Checking for Windows 8 Firewall
• iv Configuring Windows 8 Firewall
• five Windows vii
  • 5.i Checking for Windows 7 Firewall
  • 5.2 Configuring Windows 7 Firewall
• half dozen Windows Vista
  • six.i Checking for Windows Vista Firewall
  • 6.2 Configuring Windows Vista Firewall
• seven Checking for Windows XP Firewall
• 8 Configuring Windows XP Firewall

Notation: Steps for Windows 11 may differ.

Checking for Windows 10 Firewall

To see if you're running Windows Firewall:

1. Correct-click the Windows icon. A menu will appear.
2. Select Control Panel from the menu. The Control Console volition appear.
3. In the Control Panel, select Organization and Security.
4. In System and Security, select Windows Firewall.

Configuring Windows 10 Firewall

If yous're running Windows Firewall and having connection problems in Firefox:

1. On the left side of the Windows Firewall panel, click Permit an app or feature through Windows Firewall. The Allowed apps console will appear.
2. Click the Modify Settings button.
3. Find Mozilla Firefox in the listing of programs. If it is there, click to select information technology. If non, skip the side by side stride.
4. With Mozilla Firefox (or firefox.exe) selected, click the Remove button. Ostend that yous desire to remove the entry.
5. Click the Permit another app button. The Add a Program window volition appear.
6. In the Add an app window, click the Browse button.
7. Navigate to the Firefox plan directory (eastward.thou. C:\Program Files\Mozilla Firefox\) and double-click on firefox.exe.
8. Click the Add push.
9. Click the OK button to close the Allowed apps panel.

Checking for Windows 8 Firewall

To see if you're running Windows Firewall:

1. From the Start Screen, click the Desktop tile. The Desktop view will open.
2. From the Desktop, hover in the lower right-hand corner to access the Charms.
3. Select from the amuse. The Control Panel window will open.

   
   

4. Click on Arrangement and Security. The Organisation and Security Panel will announced.

   

5. Click on Windows Firewall. The Windows Firewall panel will appear.

   

6. If you lot meet a green cheque mark, y'all are running Windows Firewall.

   

Configuring Windows 8 Firewall

If yous're running Windows Firewall and having connexion problems in Firefox:

1. On the left side of the Windows Firewall panel, click Allow a plan or characteristic through Windows Firewall. The Allowed Programs panel will appear.

   

2. Click the Change Settings button.

   

3. Find Mozilla Firefox in the list of programs. If it is there, click to select it. If non, skip the next step.
4. With Mozilla Firefox (or firefox.exe) selected, click the Remove push. Confirm that you lot want to remove the entry.
5. Click the Allow another plan... button. The Add a Programme window will announced.

   

6. In the Add a Program window, click the Browse... button.
7. Navigate to the Firefox plan directory (due east.g. C:\Programme Files\Mozilla Firefox\) and double-click on firefox.exe.
8. Click the Add button.
9. Click the OK button to close the Allowed Programs panel.

Windows 7

Checking for Windows 7 Firewall

To meet if you're running Windows Firewall:

1. Click the Windows icon, and select Command Panel. The Control Console window volition appear.

   

2. Click on Arrangement and Security. The System and Security Panel will appear.

   

3. Click on Windows Firewall. The Windows Firewall panel will appear.

   

4. If you encounter a green check marker, yous are running Windows Firewall.

   

Configuring Windows 7 Firewall

If you're running Windows Firewall and having connexion bug in Firefox:

1. On the left side of the Windows Firewall panel, click Permit a program or characteristic through Windows Firewall. The Allowed Programs console volition appear.

   

2. Click the Change Settings button.

   

3. Find Mozilla Firefox in the list of programs. If it is at that place, click to select it. If not, skip the next step.
4. With Mozilla Firefox (or firefox.exe) selected, click the Remove button. Confirm that you lot desire to remove the entry.
5. Click the Allow another programme... button. The Add together a Program window will appear.

   

6. In the Add a Program window, click the Browse... button.
7. Navigate to the Firefox program directory (east.g. C:\Plan Files\Mozilla Firefox\) and double-click on firefox.exe.
8. Click the Add button.
9. Click the OK push to shut the Allowed Programs console.

Windows Vista

Checking for Windows Vista Firewall

To meet if yous're running Windows Firewall:

1. Click the Windows icon, and select . The Control Console window will appear.
2. Click on the Arrangement header. The Security Panel will appear.
3. Click on the Windows Firewall header. The Windows Firewall panel will announced.
4. If you lot run into a green check marker and the bulletin Windows Firewall is helping to protect your calculator, you are running Windows Firewall.

Configuring Windows Vista Firewall

If yous're running Windows Firewall and having connection problems in Firefox:

1. On the left side of the Windows Firewall console, click Allow a programme or feature through Windows Firewall. The Windows Firewall Settings window volition announced.
2. Find Mozilla Firefox (or firefox.exe) in the list of programs. If it is there, click to select it. If non, skip the next stride.
3. With Mozilla Firefox selected, click the Delete button. Confirm that you want to delete the entry.
4. Click the Add together program... button. The Add a Program window will announced.
5. In the Add together a Program window, click the Browse... push button.
6. Navigate to the Firefox program directory (e.thou. C:\Plan Files\Mozilla Firefox\) and double-click on firefox.exe.
7. Click the OK push to close the Add a Program window.
8. In the Windows Firewall Settings window, click to select the General tab.
9. Ensure that Block all incoming connections is non selected.
10. Click the OK button to close the Windows Firewall Settings window.

Checking for Windows XP Firewall

To meet if yous're running Windows Firewall:

1. Click on the Windows Start button, and select . The Control panel window will announced.

   

2. Click on the Security Heart link. The Security Center volition appear.

   
   

3. If the Firewall header says ON, you are running Windows Firewall.

   
   

Configuring Windows XP Firewall

If you're running Windows Firewall and having connection issues in Firefox:

1. Cheque Windows Firewall is ON.
2. In the Security Center, click Windows Firewall. The Windows Firewall window volition open up.
3. Select the Exceptions tab.

   
   

4. Detect Mozilla Firefox (or firefox.exe) in the list of programs. If it is in that location, click to select it. If non, skip the next step.
5. With Mozilla Firefox selected, click the Delete button. Ostend that you want to delete the entry.
6. Click the Add Programme... push button.
7. In the Add a Program window, click the Scan... push button.
8. Navigate to the Firefox program directory (eastward.g. C:\Program Files\Mozilla Firefox\) and double-click on firefox.exe.
9. Click the OK button to close the Add a Program window.
10. Click the OK push button to shut the Windows Firewall Settings window.

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Source: https://support.mozilla.org/en-US/kb/configure-windows-firewall-allow-firefox-access

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