网络扫描原理的研究

安全扫描是在网络安全领域中非常重要的一种技术手段。使用扫描,可以发现网络信息,甚至进行攻击。分析了网络安全扫描的原理,对扫描中使用的主要技术进行了分类,并阐述了每种技术的原理及协议特性。给出了常见平台上的有代表性的工具,并针对其特点进行了比较。指出网络扫描中存在的一些性能和安全上的问题,提出了一些使之完善化的建议。

Research on Network Scanning Principles

Network scanning is very important in security field.It is used to get the information of the target network,even to launch attack.Analyzes the principles of network security scan,categories the techniques used in a scan process,presents the concept and protocols each technique derives from.Also introduces some utilities on common OS platforms,discusses their characteristics separately.At last,points out some performance and security problems existing in network scanning and gives some suggestions for improvement.