防火墙的作用是为网络提供安全扼守和审计关卡,以阻断来自外部通过网络对企业网络的威胁和入侵。但是目前企业在使用防火墙产品时还存在着三大误区。误区一企业认为一旦采用防火墙,即可高枕无忧。许多公司过度相信他们的防火墙,以至于忽略了网络的一些其他弱点。这是一种将安全凌驾于过度信任的错误做法。以致于完全相信或基本确信企业网络没有安全威胁。在十年前,对多数企业组织而言,防火墙是管理风险的唯一解决办案。由于历史原因,导致了不准确的观念:防火墙是 Internet 安全风险的全面解决之道。这与事实并不相符。现在应用程序和操作系统的新缺陷每天都有发现。新的攻击技术和混合的病毒,如 Nimda 和 CodeRed,不仅逃避网络安全防护的前门—— The purpose of a firewall is to provide a network with security guards and auditing barriers to block threats and intrusion from the outside through the network to corporate networks. However, there are still three major misunderstandings when using firewall products in enterprises. Misunderstanding a company that once the firewall, you can sit back and relax. Many companies over-trust their firewalls, ignoring some of the other weaknesses of the network. This is a wrong way of putting safety above over trust. So that there is no real threat or trust in the corporate network. Ten years ago, for most business organizations, firewalls were the only solution to managing risk. Due to historical reasons, led to the inaccurate concept: Firewall is a comprehensive solution to Internet security risks. This is not true. New defects in applications and operating systems are now discovered daily. New attack techniques and mixed viruses such as Nimda and CodeRed not only evade cyber-security front doors -