随着企业网络应用的普及和深入,用户正在感受来自多重网络隐患对企业信息安全的挑战和压力。信息安全市场因此成为喧嚣之地。在这一舞台上,一直活跃着三大类关键产品:防火墙、入侵检测、防病毒系统。而作为最早诞生的专用网络安全设施,防火墙冲在了安全防范的最前线。如今,顺应 With the popularization and deepening of enterprise network applications, users are feeling the challenges and pressures on enterprise information security arising from the hidden dangers of multiple networks. The information security market has become a hustle and bustle. On this arena, there are three key categories of products that are active: firewalls, intrusion detection, anti-virus systems. As the earliest birth of a dedicated network security facilities, firewalls rushed in the forefront of security. Now, conform