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Enable Firewall in macOS

Enable Firewall in macOS

Mar 04, 2020

Per ITS policy, all Macs on SU's network should have a firewall enabled.  You can enable it using the following instructions:

  1. Go to the  menu in the top left corner of your screen > System Preferences

  2. In System Preferences, select Security & Privacy

    System Preferences Window Pane
    System Preferences Window Pane

  3. Select the "Firewall" tab

    security & privacy window pane, tabbed to firewall

  4. If you Firewall is off, click the button that says "Turn On Firewall"

  5. If the Firewall has been turned on, you will see a green light and the wording Firewall: On

  6. Click on the lock icon to lock down the settings