Defensive computing: Difference between revisions

Revision as of 02:39, 24 February 2009

Revision as of 02:43, 24 February 2009

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=== Firewall ===

A [[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.