Enable Windows firewall


All versions of Windows after Windows XP Service Pack 2 come with a built in firewall. By default on most computers the firewall is enabled. A firewall is an application which controls network traffic to and from a computer, permitting or denying communications based on a security policy. Having a firewall enabled on a computer that is connected to any sort of network, and especially the Internet, is highly recommended.

Instructions for Windows 7:

  1. Click on the Windows Start menu and go to Control Panel.
  2. Click on the System and Security link.
  3. Click on the Windows Firewall link.
  4. If the status is green and states On, the Firewall is working on the computer and you can exit the Windows Firewall, System and Security and the Control Panel. If it is red and states Off, proceed with the following instructions:
    • Click on the Turn Windows Firewall on or off link in the left column of the window.
    • If a dialogue appears asking that Windows needs your permission click Continue.
    • Select Turn on Windows Firewall option under both Home or Work and Public network location settings and press OK.
    • You can now close the Windows Firewall, Security Center and Control Panel windows.
Instructions for Windows Vista:
  1. Click on the Windows Start menu and go to Control Panel. If you do not see the Control Panel, double-click on the Computer icon on your Desktop. You should see the Control Panel.
  2. Click on the Security link. If you do not see the Security link, double-click on the Security Center icon, and proceed to step 4.
  3. Click on the Security Center link.
  4. The first item listed is the status of the Firewall. If the status is green and states On, the Firewall is working on the computer and you can exit the Windows Firewall, Security Center and the Control Panel. If it is red and states Off, proceed with the following instructions:
    • Click on the Windows Firewall link in the left column of the window.
    • Click on the Turn Windows Firewall On or Off link in the left column of the window.
    • If a dialogue appears asking that Windows needs your permission click Continue.
    • Select the On (Recommended) option and press OK.
    • You can now close the Windows Firewall, Security Center and Control Panel windows.

Instructions for Windows XP:

  1. Click on the Windows Start menu and go to Control Panel. If you do not see the Control Panel, double-click on the My Compuer icon on your Desktop. Under Other Places you should see the Control Panel.
  2. Double-click on the Security Center icon.
  3. The first item listed is the status of the Firewall. If the status is green and states On, the Firewall is working on the computer and you can exit the Security Center and the Control Panel. If the Firewall is red and states Off proceed with the following instructions:
    • Under the section Manage Security Settings for: click on Windows Firewall.
    • Select the On (Recommended) radio option and press OK.
    • The Windows firewall should be enabled and you can now close Security Center and the Control Panel.
Tags: Windows Vista, Windows XP
Last update:
2012-09-17 14:17
Author:
William Earley
Revision:
1.3
Average rating:0 (0 Votes)

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