Security Research On WEB Site System

As the continuously developing of the Internet, information of thousands of web site has come down to every field of our reality world, and these web sites have been the most important information source of the Internet. Simultaneously, web sites have to face lots of security threaten, such as hacker attack and virus spread. These problems have disturbed the regular functions of many web sites and brought huge economic loss and politics impact to the society. This article researched several mainstream technology on networks security field(such as firewall^{[5] [6]} , IDS^{[12] [13]} , VPN^{[4] [7] [10]} ), and analyzed their strongpoints and shortcomings. Then, presented some methods on how to combine these security technology to an safety networks model of web sites.The author also talked about hidden troubles and solutions of embedded SQL sentences on WEB script code layer through his experiences on WEB script program development.