under watt32 Dos capture, realize the firewall, tcp reconstruction

ip函数,ip地址比较，checksum等函数-ip function, ip address comparison, function and so on checksum

简单的局域网传送文件示例可用于网络编程入门学习离实用还有些距离-simple example LAN transmission of documents to be used in network programming from the practical learning portal also some distance

ftp常用的命令和参数-ftp commonly used commands and parameters

这个项目可以实现简易的客户端和服务器端的通信，客户端和服务器端是任意指定的，通过这个程序，读者可以了解基于tcp的通信原理和基于UDp的通信原理以及两者之间的区别。

用于利用windows socket构造自己的ARP数据包并发送，其中包括选择网卡能功能-windows socket for the use of their tectonic ARP packet and sent, including the choice of Ethernet capabilities.

VB拦截数据包，在XP下可以直接运行。 VB拦截数据包，在XP下可以直接运行。-VB intercept packets in XP can be run directly. VB intercept packets in XP can be run directly.

这是一个建立和断开网络驱动器的例子，希望对朋友们有所帮助。-This is a building and disconnected network drives example, and I hope to help friends.

控制中常常要测试被通讯协议理解的正确性，看完这个代码，自己动手写一个吧，不用再求人了。--自创-control often to test the communication protocol understood by the correctness, reading the code, to write himself a bar, do not have to ask for the.-- Inventing

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.

一个vc得winsock编程，通过tcpid传输数据-A vc a winsock programming, through the transmission of data tcpid