port scanning basic procedures

DNS上主机查询 -Machine query on DNS

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tftp 服务器和客户端 软件，功能强大！-tftp server and client software, powerful!

wpdpad中的实例的源代码，希望大家多多指教-wpdpad is a kind of net capture software.I hope all of you use it to finish you work.

windows命令ping的源代码,大家可以学习学习,写自己的网络连接测试程序哟-windows ping order the source code, we can learn from and write their own network connectivity testing procedures yo! !

端口扫描基本程序-port scanning basic procedures

一个功能很全面的网络扫描工具,全面网络扫描器VB源代码一个功能很全面的网络扫描工具-a function of very comprehensive network scanning tool comprehensive network of VB source code scanner function is a comprehensive tool for network scanning

判断逻辑驱动器A中磁盘的基本信息。根据给定的物理扇区号读取磁盘扇区。把磁盘上得到的信息输出到标准输出流中。-judgment logical drive A disk of basic information. According to the physics sector, disk sector read. Disk information on the output to standard output stream.

端口扫描程序（包括3种扫描方式）-a port scanner code(include 3 scan mode)

利用socket实现端口扫描功能，有简单界面，多线程实现。-To achieve the use of socket port scanning function, a simple interface, multi-threaded implementation.