Network Security Through Domain Separation Via Firewall 网络安全通过使用防火墙分离的域实现 Internet access from company's computers Internet company computers DMZ access from Internet firew access between DMz and rs computers DMZ Applied Operating System Concepts 199 Silberschatz, Galvin, and Gagne @199919.9 Silberschatz, Galvin, and Gagne ©1999 Applied Operating System Concepts Network Security Through Domain Separation Via Firewall 网络安全通过使用防火墙分离的域实现