Firewall on Mac OSX Lion

 

Similar to Snow Leopard, it’s easy to turn on the firewall in Lion

 

1. Open System Preference (either from Menu or Dock)

 

system-preference-menu-on-lion

2. Choose Security & Privacy

 

system-preference-on-lion

3. Click FIrewall Tab. By default, the firewall is turn off

 

4. Click on the lock icon on bottom left corner to get access

 

firewall-stopped-on-lion

 

5. Enter your name & password

 

user-authentication-lion

6. Now the START button is enabled, you can click to start the firewall

 

firewall-running-on-lion

7. When being active, the firewall will check for application that request connection, and ask you to allo or deny it.

 

8. You can add/remove program for the firewall in the advanced option

 

firewall-advanced-on-lion

9. Well done, now your computer is perfectly protected

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