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.
Published by jak58
Latest update on July 15, 2013 at 06:39 AM by jak58.