firebreak(area cleared of flammable material to prevent a fire from spreading) noun [UK: ˈfaɪə.breɪk] [US: ˈfaɪə.breɪk]
firewall(computer software) noun [UK: ˈfaɪrwal] [US: ˈfaɪrwal]I need to configure this server with an appropriate firewall system. = Tengo que configurar este servidor con un apropiado sistema de cortafuegos.