Is Mac's firewall sufficient or is will an additional firewall help?  What security suite do you recomend for MacBook Air with Maverick?

Is Mac's firewall sufficient or is will an additional firewall help?  What security suite do you recomend for MacBook Air with Maverick?

Third party security software is better at causing problems then it is at solving them.
I recommend against them.
If you felt it is necessary then configure the firwall software included with OS X.
Allan

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