BitDefender Internet Security is a program with a firewall component that controls access to the Internet. If BitDefender Internet Security does not recognize Firefox (as it might not following an update to Firefox), it may prevent Firefox from loading pages. This article describes how to configure BitDefender Internet Security to allow Firefox to access the Internet.

1. Click the Windows Start button to open the Start menu. In the Start menu, select All Programs > Bitdefender 2008 > BitDefender Internet Security 2008
2. At the bottom of the BitDefender Security Center window, click the Settings link.
   
   
   
3. On the left side of the BitDefender Internet Security Window, click on the Firewall icon.
4. Click on the Traffic tab.
5. Find Firefox or firefox.exe in the list, click on it, and then click the - button.
6. Click OK when prompted on whether you want to delete the selected rule.
   
   
   
7. Click to open the Add New Rule window:
   • In the Add New Rule window, click Browse, navigate to the Firefox installation directory (e.g. C:\Program Files\Mozilla Firefox\), and double-click on firefox.exe
   • For Select protocol, choose Any
   • For Select action, choose Allow
   • Click Add to close the Add New Rule window.
     
     
     
8. Click Close to close the BitDefender Internet Security window
9. Click the x in the corner of the BitDefender Security Center window to close it.

Firefox should now be allowed to access the Internet.