Firewall

2 definitions found

From WordNet (r) 2.0 [wn]:

  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

From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:

  firewall
       
          1. {firewall code}.
       
          2. {firewall machine}.