N-COUNT 防火墙(自动防止未经授权者通过网络侵入计算机的系统或程序) A firewall is a computer system or program that automatically prevents an unauthorized person from gaining access to a computer when it is connected to a network such as the Internet. 防火墙(自动防止未经授权者通过网络侵入计算机的系统或程序) [computing]
New technology should provide a secure firewall against hackers.