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最近在全球范围爆发的WannaCry勒索病毒,造成了大量计算机用户恐慌,特别是校园网用户。WannaCry勒索病毒实质上是一种蠕虫性质的病毒,蠕虫病毒最大的特征就是交叉感染,而控制蠕虫病毒的一项有力措施就是在补丁发布之前进行快速隔离,防止交叉感染,将蠕虫病毒的危害性范围降到最低。然而在服务器虚拟化普及的时代要在传统防火墙上对虚拟机服务器流量执行快速隔离这是一种非常困难的事情,本文阐述在校园网环境中使用分布式防火墙来解决传统防火墙的各种限制,有效保护网络及数据的安全。
The recent worldwide outbreak of WannaCry Ransack virus caused a great deal of computer user panic, especially for campus users. WannaCry ransomware is essentially a worm-like virus. The most common feature of worms is cross-infection. A powerful measure to control the worm is to quickly isolate patches before they are released, prevent cross-infection, and harm the worm Range to a minimum. However, in the era of popularization of server virtualization, it is a very difficult task to perform fast isolation on virtual machine server traffic in the traditional firewall. This article describes various limitations of using traditional firewall in distributed campus network environment, Effectively protect the network and data security.