INDEPTH: COMPUTER SECURITY
Internet speak
CBC News Online | Feb. 18, 2005
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file extension
firewall
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Firewall - A system that controls communications on a computer network, acting as a filter between a computer or small network of computers, and a larger network, such as the internet. In a network, a firewall could be a dedicated computer placed between the internal network and the internet. On a home computer, a personal firewall is usually a piece of software controlling network communication and configured to protect the computer from outside intrusion and the effects of malicious software.
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