DNS 解析用的库源码，还包含windows下nslookup的源码

邮件服务器程序,基本都比较全,是一个不错的源代码-mail server, all are more basic, is a good source

winsocks的源代码-winsocks source code

这是一个介绍如何开发“网络监控”程序的。大家可以借鉴其原理。-this is how to develop a "network monitoring" procedures. We can learn from its tenets.

实现滑动窗口协议-achieve sliding window protocols

本程序是一个演示如何在FTP上传和下载文件的实例，简单实用。-this program is a demonstration of how the FTP upload and download files example, simple and practical.

端口扫描(含源代码)-port scanning (including source code)

一个简易的聊天系统,可以在局域网内聊天,适合在公司不能上网的朋友.-A simple chat system, you can chat in the LAN for Internet access in the company should not friends.

程序功能： 　　提出了通过先将文档输出到文件打印机形成包含控制代码的打印文档，再通过网络将打印文档传输到多台同型号的打印机进行输出的方法实现各种软件的多点打印的解题思路，并提供了用VB具体实现的方法。 -procedures functions : through the first document output to a file containing the printer control code to form a print documents, through the network will print a document transmission of multiple models of the printer output for the realization of the software in multiple locations Print The problem-solving ideas, and provide a means for achieving specific VB method.

sockt编程，局域网内实现客户端和服务器的通信-sockt programming, local area network to achieve client and server communications