Definitions for "hardware firewall"
a better idea because you don't need to worry about a user mistakenly shutting down a software firewall that's running on his or her PC
a combination of a network hub and firewall software
a small computer that runs the firewall software
Keywords:  appliance, traffic, lan, outbound, sits
a box placed between the LAN and the Internet, who's sole purpose is to control and monitor the traffic going in and out
a computer, linked to your main PC that acts as a buffer between it and the Internet
a computer which interfaces between a LAN and the Internet, controlling and restricting the flow of information in each direction
a growing field and discovering more about it can prove to be very edifying
a stimulating field and studying more about it can prove to be quite productive
a stirring business and studying more about it can be very profitable
a good solution which should be recommended to everyone
Keywords:  idea, great, little, high, cost
a great idea but like you said, the cost is a little high here