端口扫描技术及攻击和防御分析

Port Scanning Techniques and Analysis of Attack and Defense

文章主要介绍了ＴＣＰ协议的实现和根据ＴＣＰ协议特点可以使用的端口扫描技术及其实现的方法，并且分析了一些由于网络协议和实现的不完善而出现的系统的漏洞情况并给出了一些解决方法。

This article introduces the implementation of TCP Protocol and the technique of Port Scanning based on the characteristic of TCP Protocol, at the same time, the several implementations of Port Scanning are also described. We also analyze the potential external attacks that can be made because of the weakness of operation system and the ways to avoid suck kinds of attack are also put up.