MacOSX - Enabling the firewall

December 2016


How to enable the firewall of Mac OS X?


1 - From the Apple menu, System Preferences .
2 - Then, click on Security .
3 - Click on the Firewall tab. Then click on the lock icon (bottom left) and enter your administrator credentials (username and password).
4 - Click on the Start button to turn the Firewall on.

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