With the development of Hacker attack technology, the forthcoming productions in network security have already built a security dike, but these productions can not protect the Hacker attack very well.

• 在网络技术发展的同时黑客攻击技术也在飞速发展,相辅相承的网络安全也从无到有。 现有的网络安全产品已经为网络建立了一道安全防护屏障,但这些产品对快速发展的黑客攻击仍是防不胜防。