Understanding and using Leopard's Firewall

From Macworld
Mac OS X has long included a basic firewall, but with the release of Mac OS X 10.5—also known as Leopard—this fundamental security technology is moving in a new and innovative direction. As with any major change in a popular operating system this transition comes with a learning curve, but thanks to the recent OS X 10.5.1 update from Apple, Leopard’s firewall is fairly straightforward and recommended for the average Mac user.

As a security professional I’m often asked by Mac users if they need a firewall. It’s a surprisingly difficult question to answer.

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