firewall
絕熱板; 絕熱板
firewall
n 1: the application of maximum thrust; "he slammed the throttle
to the firewall"
2: (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
3: fireproof (or fire-resistant) wall designed to prevent the
spread of fire through a building or a vehicle