FTP服务端源码，有了他，自己编一个Server

一个简单的SIP协议栈，但基本的功能已经实现。是osip的第二选择-a simple SIP protocol stack, but the basic function has been achieved. Osip is the second choice

UDP穿透Socks5的实现 ，一个封装UDP类，支持Socks5代理,原理可参看rfc1928-UDP Socks5 penetrating the realization of a package like UDP, support Socks5 agent, principle can be found in rfc1928

基于通信终端设备与网关服务器的接口协议，实现协议转换 转码 译码 功能。-Based on the communication terminal equipment and the gateway server, interface protocols, protocol conversion, transcoding decoding capabilities.

异步套接字的源码，同时还有文档可以参考，很方便-Asynchronous socket source code, along with the document can refer to, it is convenient

smtp源代码集合，一共7个，包括发送和接收-smtp source code collections, a total of seven, including the sending and receiving

在win2003ddk基础上修改的ndis驱动-win2003ddk based on the revised ndis Drivers

FTP文件传输程序-FTP file transfer procedures

多线程聊天室，适合初学者进行模仿学习，试用Winsocket编程技术。-Multi-threaded chat rooms, suitable for beginners to learn to imitate, try WinSocket programming techniques.

基于UDP协议的简单网络聊天室的实现，通过启动服务器、客户端程序实现网络对话传输-UDP-based protocol to achieve a simple online chat room, by starting the server, the client program to achieve dialogue with the network transmission

TCP C#网络传输，网络传输需要的代码，可供参考，会有所不同，但可以学习其中的原理。