firewall -
(colloquial) the application of maximum thrust; "he moved the throttle to the firewall"
driving force,
thrust,
drive verbal criticism; "he enlivened his editorials with barbed thrusts at politicians"
firewall -
(computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet
security system an electrical device that sets off an alarm when someone tries to break in
firewall -
a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
firewall A service which functions in a networked computing environment to prevent the communications forbidden by a security policy.
firewall A type of fire separation of noncombustible construction that subdivides a building or separates adjoining buildings to resist the spread of fire.