firewall

firewall
noun
  1. a wall or partition designed to inhibit or prevent the spread of fire
    防火墙,隔火墙
    ■(Computing)a part of a computer system or network which is designed to block unauthorized access while permitting outward communication
    (计算机)防火墙
    ■another term for Chinese wall
    同 Chinese wall
verb
  1. [with obj.](Computing)protect (a network or system) from unauthorized access with a firewall
    (计算机)用防火墙保护(网络,系统)
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