nearly all firewall software available for OSX are simply GUI front-ends for the built in OSX Firewall. In other words, they aren't really a full software app, but they just help make it easy to configure what is already there. You can try Brickhouse to give you an idea of what most of the firewall apps are like.<br><br>A router is always a good option because it adds a level of security you can't get with software alone. If you get a router, the built-in OSX Firewall in Jaguar will be plenty.<br><br><br>Click here to visit me.
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