防火墙fánghuǒqiángTop 20000Meanings1. firewallCharacters used防to protect火fire墙wallExamples1我wǒ该gāi在zài这个zhège服务器fúwùqì上shàng设置shèzhì一个yīge防火墙fánghuǒqiáng。I need to configure this server with an appropriate firewall system.