Definitions for "Personal firewall"
a computer program that runs on your PC and
a consumer software application for the home user that usually resides on the machine being protected
a device or software that protects your network and computer
Keywords:  handyphone, system
a device that enforces security at entry and exit points
an essential part of PC security, without one your system is succeptible to being hacked and taken over
a requirement due to the hostile nature of most hotspots
a second layer of security safeguarding you from the outside
Keywords:  mac, attempts, connected, monitors, add
a must if you are connected to the
a program which you can add to your PC or Mac which monitors incoming network connection attempts, and takes action according to a set of rules which you help to supply
Keywords:  idea, good, general
a good idea in general
Keywords:  alternative
an alternative