【摘要】 分析网络系统有效防止黑客攻入而采用的一些安全技术 ,包括应用防火墙技术 ,主动监测技术等 ,对每个技术内容都给出了比较详细的实例更多还原

【Abstract】 The article mainly makes a brief introduction to the way of strengthening the security of network service such as how to prevent the network service from hacher attack,some technique of improving the services as application of fire wall,setting agent service and initiating monitoras as well.In addition,it also offers a description of the cases in detail.更多还原