how to see what my firewall is blocking

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 institute" error when you try to browse to websites.

Annotation: This commodity only applies to Windows. To run into instructions, choose the Windows version from the dropdown menu above.

Table of Contents

• i Checking for Windows ten Firewall
• 2 Configuring Windows 10 Firewall
• 3 Checking for Windows viii Firewall
• iv Configuring Windows 8 Firewall
• five Windows 7
  • 5.i Checking for Windows 7 Firewall
  • 5.2 Configuring Windows 7 Firewall
• 6 Windows Vista
  • 6.1 Checking for Windows Vista Firewall
  • six.two Configuring Windows Vista Firewall
• 7 Checking for Windows XP Firewall
• 8 Configuring Windows XP Firewall

Note: Steps for Windows eleven may differ.

Checking for Windows 10 Firewall

To see if y'all're running Windows Firewall:

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

Configuring Windows ten Firewall

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

1. On the left side of the Windows Firewall panel, click Allow an app or feature through Windows Firewall. The Immune apps panel will appear.
2. Click the Change Settings button.
3. Find Mozilla Firefox in the list of programs. If it is in that location, click to select it. If not, skip the next step.
4. With Mozilla Firefox (or firefox.exe) selected, click the Remove push button. Ostend that you want to remove the entry.
5. Click the Allow another app button. The Add together a Program window will announced.
6. In the Add an app window, click the Browse button.
7. Navigate to the Firefox plan directory (e.thousand. C:\Plan Files\Mozilla Firefox\) and double-click on firefox.exe.
8. Click the Add button.
9. Click the OK push 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 correct-hand corner to access the Charms.
3. Select from the charm. The Control Panel window will open.

   
   

4. Click on Arrangement and Security. The Arrangement and Security Console will appear.

   

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

   

6. If you see a greenish bank check mark, you are running Windows Firewall.

   

Configuring Windows viii Firewall

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

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

   

2. Click the Change Settings push.

   

3. Notice Mozilla Firefox in the listing of programs. If it is there, click to select it. If non, skip the next footstep.
4. With Mozilla Firefox (or firefox.exe) selected, click the Remove button. Ostend that you lot desire to remove the entry.
5. Click the Allow another program... button. The Add a Program window will appear.

   

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

Windows vii

Checking for Windows 7 Firewall

To run into if you're running Windows Firewall:

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

   

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

   

3. Click on Windows Firewall. The Windows Firewall console will announced.

   

4. If y'all see a green check mark, yous are running Windows Firewall.

   

Configuring Windows vii Firewall

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

1. On the left side of the Windows Firewall panel, click Let a plan or feature through Windows Firewall. The Allowed Programs panel volition announced.

   

2. Click the Change Settings button.

   

3. Find Mozilla Firefox in the list of programs. If it is there, click to select it. If not, skip the next pace.
4. With Mozilla Firefox (or firefox.exe) selected, click the Remove button. Ostend that you want to remove the entry.
5. Click the Allow some other plan... button. The Add a Program window will appear.

   

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

Windows Vista

Checking for Windows Vista Firewall

To see if you're running Windows Firewall:

1. Click the Windows icon, and select . The Control Panel window will appear.
2. Click on the System header. The Security Console will appear.
3. Click on the Windows Firewall header. The Windows Firewall panel volition announced.
4. If yous run into a greenish check marking and the message Windows Firewall is helping to protect your estimator, y'all are running Windows Firewall.

Configuring Windows Vista Firewall

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

1. On the left side of the Windows Firewall panel, click Allow a program or characteristic through Windows Firewall. The Windows Firewall Settings window will appear.
2. Detect Mozilla Firefox (or firefox.exe) in the list of programs. If it is there, click to select it. If not, skip the next footstep.
3. With Mozilla Firefox selected, click the Delete button. Confirm that you desire to delete the entry.
4. Click the Add program... button. The Add a Program window will appear.
5. In the Add a Program window, click the Scan... button.
6. Navigate to the Firefox program directory (e.g. C:\Plan Files\Mozilla Firefox\) and double-click on firefox.exe.
7. Click the OK push button to shut the Add a Program window.
8. In the Windows Firewall Settings window, click to select the Full general tab.
9. Ensure that Block all incoming connections is not selected.
10. Click the OK push to shut the Windows Firewall Settings window.

Checking for Windows XP Firewall

To meet if you're running Windows Firewall:

1. Click on the Windows Offset button, and select . The Control panel window will appear.

   

2. Click on the Security Center link. The Security Center volition announced.

   
   

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

   
   

Configuring Windows XP Firewall

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

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

   
   

4. Observe Mozilla Firefox (or firefox.exe) in the listing of programs. If it is there, click to select it. If not, skip the next step.
5. With Mozilla Firefox selected, click the Delete push button. Confirm that you want to delete the entry.
6. Click the Add Program... button.
7. In the Add a Plan window, click the Browse... push button.
8. Navigate to the Firefox program directory (e.yard. C:\Programme Files\Mozilla Firefox\) and double-click on firefox.exe.
9. Click the OK push button to shut the Add together a Program window.
10. Click the OK 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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