How to enable a firewall on Windows and Mac OS X?

To protect the campus network from the spread of viruses and malware, we require all computers to have a firewall installed, enabled and configured to block malicious traffic. A firewall provides a layer of protection between your computer and the internet. It serves as a barrier and can help defend against someone attempting to access your computer from the outside.

Microsoft Windows and Mac OS X includes a firewall with their operating system. To enable it simply follow the steps for your operating system below:

Windows 10

  • In Search, type firewall, and then select Windows Firewall.
  • Select Turn Windows Firewall on or off. You might be asked for an admin password or to confirm your choice.
  • Note: If your PC is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.

For more instructions please visit:

Win 8

  • Open Windows Firewall by swiping in from the right edge of the screen, tapping Search (or if you’re using a mouse, pointing to the upper-right corner of the screen, moving the mouse pointer down, and then clicking Search), entering firewall in the search box, and then tapping or clicking Windows Firewall
  • Tap or click Turn Windows Firewall on or off .  You might be asked for an admin password or to confirm your choice.
  • Do the following:
    • Tap or click Turn on Windows Firewall under each type of network that you want to help protect, and then tap or click OK.

For more instructions please visit:

 Win 7

  • Click Start and then click Control Panel.
  • Change your View By setting to View By: Large Icons or Small Icons
  • Click Windows Firewall to open your firewall settings.
  • Click Turn Windows Firewall On or Off . You might be asked for an admin password or to confirm your choice.
  • Be sure Turn on Windows Firewall is checked.

For more instructions please visit

Mac OS X (10.9.x)

  • Click on the Apple Icon appleicon.
  • Click on System Preferences.
  • Click on Security & Privacy.
  • Click on the Tab.
  • Click on .
    • If the button is grayed out then please click on the lock icon and login with admin account.
      AppleLockIcon    AppleUnlockSecurityPrivacyLogin