Personal Firewall

by Barbara J. Feldman on September 22, 2003

A firewall is a piece of software or hardware that monitors incoming Internet traffic and allows only trusted connections. Whether you have an always-on Internet connection (such as cable) or use dial-up, a personal firewall is necessary for online safety. For product reviews and specifics, try PC Magazine or PC World .

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Cite This Page

Feldman, Barbara. "Personal Firewall." Surfnetkids. Feldman Publishing. 22 Sep. 2003. Web. 21 Nov. 2014. <http://www.surfnetkids.com/tech/174/personal-firewall/ >.