Defensive computing: Difference between revisions

Revision as of 10:17, 2 February 2010

Revision as of 23:02, 2 March 2010

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=== Firewall ===

A [[Firewall (computing)|firewall]] is a collection of security measures that protects a computer from harmful inbound and outbound traffic on the Internet and prevents the unauthorized access of computer systems.<ref name="one">[http://www.cs.unm.edu/~treport/tr/02-12/firewall.pdf http://www.cs.unm.edu/~treport/tr/02-12/firewall.pdf],A History and Survey of Network Firewalls</ref> These security measures are integrated into the form of special software that runs autonomously either on individual computer systems, or externally through built in software within [[routers]] and [[modems]].

Not all firewall software will protect computers from sending unauthorized or harmful outbound traffic.