随着网络信息化的发展,各行各业越来越借重网络这一基础平台。但是网络在提升人们工作、生活的同时,所带来的信息安全问题也日益突出,如何更好更安全地利用网络,成为人们关注的问题。目前,普遍采取的信息安全机制包括防火墙技术、入侵检测、漏洞扫描、身份认证、信息加密以及病 With the development of network information, all walks of life more and more rely on the network of the basic platform. However, the information security problem brought by the network while enhancing people’s work and life has become increasingly prominent. How to make better and more secure use of the Internet has become a problem that people are concerned about. At present, the commonly adopted information security mechanisms include firewall technology, intrusion detection, vulnerability scanning, authentication, information encryption and disease