据说能拦截局域网内所有数据包，我自己使用过一下感觉好象有些部份数据包拦不下来。...

这是一个用C++实现的邮件发送类，接受邮件，真的是听不错的。内有详细的说明和测试程序。

雪人论坛 v2.1 简单美化版，支持access、SqlServer -Snowman Forum v2.1 simple Meihuaban support access, the Slammer

实现TCP穿越NAT(即TCP打洞)。目的是为了实现局域网节点和另一个局域网节点的通信-TCP to achieve through the NAT (ie TCP holes). In order to achieve the purpose of communications between node of local area network and another local network node.

线程安全实例。该程序说明线程安全问题。该例子实现的功能与多线程并发服务器实例的类似，但增加了一个客户数据存储功能，即服务器将存储每个连接客户所发来的所有数据，当连接终止后，服务将显示客户的名字及相应的数据。-thread safety examples. Description of the procedures for the security thread. The examples of the functions and multi-threaded server with similar examples, but the addition of a customer data storage function, which is to store each server will connect customers come in all the data, when connected after termination of service customers will show the names and corresponding data.

客户端的简单编程实现。 主要是通过udp方式，实现用户间的对话。 其中运用了序列化类的方法。 以下是源代码,请多提意见。 -simple client program. Mainly through udp way to achieve a dialogue between users. The sequence in which the use of such methods. Following is the source code, please speak up.

网络抓包软件（基于WinPcap），能够选择你计算机上安装的一个网卡，来对它进行网络抓包和分析协议！-Network capture software (based on WinPcap), you can choose to install a computer network card to its network protocol capture and analysis!

微软的底层网络程序演示代码：iparp、ipchange、ipconfig、iprenew、iproute、ipstat。-Microsoft"s demonstration of the underlying network programming code : iparp, ipchange, show you your, iprenew, iproute, ipstat.

在IE的工具条上添加自己的按钮的程序- Increases own button on the IE tool strip the procedure

简单的FTP服务器，只支持匿名访问， 直接装文件夹拖到该文件上即可打开以此文件夹为根目录的FTP服务-Simple FTP server, only support anonymous. drag a directory onto it will open an FTP server root at that directory