Vital Firewall application for OSX

Little Snitch – OS X firewall application

With almost every type of application now making network connections without user approval it is vital to have a firewall application that is able to alert you when network access is being attempted from your machine out to the net. Most basic firewall settings for OSX allow outbound connections with no alerts or blocking.

You can either learn the ipfw command or just download Little Snitch. domain names