计算机网络安全技术

一、引言作为一种战略资源,信息在社会生产、生活的各个领域中的作用日益显著,计算机网络的飞速发展,加强了信息的共享程度,随之而来的网络安全问题日益突出。网络如同一座不设防的城市,其应用程序、操作系统、通信协议的安全隐患比比皆是,网络安全可谓危机四伏。据权威机构统计,平均每20秒就发生一起Inter-

Security Technologies of Computer Network

With the development of computer network,requirements of computer network security have been more and more urgent. In tills paper, goals of network security are reviewed. Several network attack methods,such as interruption,interception, modification, fabrication,are studied. Network security technologies,such as security mechan!sm,encryption,security detection,firewall,were discussed.