I’ve came to realize that I need to setup the firewall on my Mac asap before someone decided to take a tour of my iMac. Until recently, I’ve always use my PC laptop to surf the Internet, so I always forgot to setup the firewall on my Mac…but after the incident it looks like I have to act quick before things got out of hand. If you are new to Leopard and you have no idea how to setup the firewall, here is a simple step by step guide:
Select the application(s) you want and click on the Add button.
Turn on the Stealth Mode and click on the OK button:
Step 7: The applications you have added are allowed (incoming connections) by default, if you want to block some of your application(s), just click on that application and change to “Block incoming connections“:
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I hope this article will help you to setup your firewall
Have fun with Leopard :D