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Term of the day
Firewall
A firewall is a part of a network or computer system that prevents unauthorized access to a computer system, or certain files within a computer system, to outside users. A firewall is set up using specific criteria to meet the local area network (LAN) requirements for what is allowed and not allowed through the firewall. This can be done with hardware, software, or both. A firewall can be used to prevent unwanted applications from coming in or to prevent secure information from going out.