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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 compartment, as on a plane, automobile, etc.
a person, thing, or event that acts as a barrier or protection against something undesirable: The new employee handbook should create a firewall against unethical business conduct.
Digital Technology. an integrated collection of security measures designed to prevent unauthorized electronic access to a networked computer system.
Source: Dictionary.com

Firewall (computing)


Packet filtering firewalls work mainly on the first three layers of the OSI reference model, which means most of the work is done between the network and ...

What is firewall? - Definition from WhatIs.com - SearchSecurity


A firewall is a set of related programs, located at a network gateway server, that ... This definition is part of our Essential Guide: Secure Web gateways, from ...

What is Firewall (Firewall Techniques)? Webopedia


Firewall systems prevent unauthorized access to or from a private network. Firewalls can be implemented in both hardware and software, or a combination of ...

The term comes from construction, where specialized fire-prevention systems involve fire-resistant walls being placed strategically in buildings and cars to slow the spread of a fire. Its ultimate job is to block unauthorized and unwanted traffic from getting into a c... More »
By Paul Gil, About.com Guide

Firewall Definition - The Tech Terms Computer Dictionary


Dec 18, 2014 ... The definition of Firewall defined and explained in simple language.

firewall Definition from PC Magazine Encyclopedia


The primary method for keeping a computer secure from intruders. A firewall allows or blocks traffic into and out of a private network or the user's computer.

Firewall - definition of firewall by The Free Dictionary


A fireproof wall used as a barrier to prevent the spread of fire. 2. Computers A software program or hardware device that restricts communication between a ...

Firewall dictionary definition | firewall defined - YourDictionary


The definition of a firewall is a security gate for your computer. When it is installed , it analyzes incoming data and allows certain information to pass through if that ...

What is Firewall Security? | Dell SecureWorks


A default-deny approach to firewall security is by far the more secure, but due to ... keeping track of active connections, so you can define firewall management ...

firewall | Define firewall at Dictionary.com
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Popular Q&A
Q: What is the definition of firewall?
A: A firewall allows or blocks traffic into and out of a private network or the Read More »
Source: www.chacha.com
Q: What is the definition of firewall?
A: firewall: (colloquial) the application of maximum thrust; (computing) a security system consisting of a combination of hardware and software that... more? Read More »
Source: www.kgbanswers.com
Q: What is the definition of a vehicle firewall?
A: Answer the firewall seperates the engine compartment from the drivers/passengers area. Read More »
Source: wiki.answers.com
Q: What Is a Computer Firewall Definition?
A: Most home computers are purchased with firewall software already installed, to protect against the installation of malicious spyware when the user is online. Fi... Read More »
Source: www.ehow.com
Q: Does this definitely sound like a firewall problem?
A: so it was an issue with your VPN service provider? Read More »
Source: www.experts-exchange.com