This is a discussion on Mac OS X firewall explained within the Switch 101 forums, part of the Tutorials category; hey! i prefer this tool too Mac OS X firewall , it always works great!)...
NetMine by ProteMac is a firewall for your Mac computer running OS X.
Mac OS X digitally signs the application (if it has not been signed already). If the application is later modified, you will be prompted to allow or deny incoming network connections to it. Most applications do not modify themselves, and this is a safety feature that notifies you of the change.
3) User friendly: you just install and that's it, no questions asked, no serials or online activations. When installing programs