Source : Free On-Line Dictionary of Computing

De-Militarised Zone
     
         (DMZ) (From the military term for an area between
        two opponents where fighting is prevented) DMZ {Ethernets}
        connect networks and computers controlled by different bodies.
        They may be external or internal.  External DMZ Ethernets link
        regional networks with {routers} to internal networks.
        Internal DMZ Ethernets link local nodes with routers to the
        regional networks.
     
        Compare {red zone}.
     
        (1995-02-23)