Video and Media

Start the Built-in Firewall in Mac OS X (Tutorial)

Please update or install Adobe Flash

Sorry this media requires the latest version of flash. You will need to install or upgrade in order to view this content.

Get Adobe Flash player

Step-by-Step Instructions to Start the Built-in Firewall in Mac OS X

  1. Pull down the Apple icon in the top left corner of your Desktop
  2. Select System Preferences from the menu.
  3. Under the category Internet & Network click on the Sharing icon.
  4. Make sure the Firewall tab is selected.
  5. Click the Start button to enable the built-in firewall in your operating system.

Developed by the Internet Education Foundation as part of its GetNetWise program.