In computing, a firewall is a network security system that monitors and controls the incoming .... The firewall administrator may define the rules; or default rules may apply. The term "packet filter" originated in the context of BSD operating systems ...
Nov 21, 2014 ... A firewall controls access to the resources of a network through a positive control model. This means that the only traffic allowed onto the ...
Firewall is a network security system designed to prevent unauthorized access to or from a network. Firewalls are hardware, software or a combination.
Firewall definition, a partition made of fireproof material to prevent the spread of a fire from one part of a building or ship to another or to isolate an engine ...
A firewall is a network security device that monitors traffic to or from your network. It allows or blocks traffic based on a defined set of security rules.
Nov 18, 2013 ... A firewall is a system designed to prevent unauthorized access to or from a ... the network and accepts or rejects it based on user-defined rules.
Dec 18, 2014 ... The definition of Firewall defined and explained in simple language.
Learn about what a firewall is, how firewalls work, and how to help protect your computer with information from the Microsoft Security website.