摘要
主要讨论分析Ｉｎｔｅｒｎｅｔ安全问题。从分析Ｉｎｔｅｒｎｅｔ网上存在的安全威胁入手，介绍了几种常见的安全防范措施，并详细讨论了实现Ｉｎｔｅｒｎｅｔ应采用的安全策略和相应的安全机制。
This paper analyzes the security problems on the Internet.Starting from the security attack on the Internet,we introduce and discuss some actual security measurements in details,then analyze the advantages and disadvantages of several current security strategies on Internet.
