DLL calls, and they interface that is a good procedure called Scanner

file system scanning file system scanning -file system scanning file system scanning file system scanning

利用UDP协议得到某一网段内所有机器的IP、机器名、工作组、用户名及MAC地址-use of a particular UDP detecting all machines IP, machinery, and the Working Group, user name and MAC address

XPortScan v2.0，多线程端口安全扫描工具，内包含Windows/Linux 两版本，附源代码-XPortScan v2.0, multithreaded port security scanning tools, which includes Windows/Linux version 2, with source code

Rosiello Security proxyscanner & validity checker v2.0 一个WINDOWS下的代理服务器地址扫描器，必须在MS-DOS模式下运行,附源代码。-Rosiello Security proxyscanner validity checker v2.0 of a Windows proxy server address scanners, in MS-DOS mode, and with the source code.

利用winsock，实现简单的ping功能-The use of winsock, to achieve a simple ping function. . . . . . . . . . . . . . . . . .

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

C语言写的简单的端口扫描程序，内附源码，仅供学习-C language to write a simple port scanner, enclosing the source, for study

利用ICMP请求来判断操作系统类型的程序- Using ICMP requested judges the operating system type the procedure

查找可以ftp匿名登录的机器 -Scanning machine which can be logged by ftp anonymous

一个简单的探测局域网内主机IP的程序-A simple LAN host IP detection procedures