简单的UDP隧道的实现源代码，即UDP转发

C#开发的.net网络编程组件-C# development. Net network programming components

java 通信类库 包装了各种通信的协议-communications packaging of the various communications agreement

获得指定网卡序号的Mac地址,C语言函数代码-Access to the designated card serial number of the Mac address, C language function code

ftp源码 用vc写的，实现了ftp的基本功能，大家可以学习下-ftp source code written using vc, ftp realize the basic functions, we can learn under the

本人写的一个TCP/UDP通信的界面软件,支持UDP和TCP server端,简单易用-I wrote a TCP/UDP communications interface software, to support the UDP and TCP server-side, easy-to-use

短信后台监测最新短信API(综合网关)，支持CMPP2.0,CMPP3.0,CNGP,SGIP,SMGP,SMPP.含详细开发接口文档，demo.强烈推荐！-background monitoring the latest SMS messaging API (Integrated Gateway), support CMPP2.0, CMPP3.0, WWW, SGIP, searched, SMPP. With the development of detailed interface documentation, demo. Strongly recommended!

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VC++网络高级编程:该实例向读者展示利用ATL编写ActiveX控制的编程方法-VC network programming : the reader to display examples of the use of ATL prepared ActiveX control Programming

基于网页上的抽签系统，Accesss 做后台数据库-website based on the balloting system, do background database Accesss

目前，已经有不少的Sniff工具软件，如Windows环境下，最富盛名的工具是Netxray和Sniffer pro，用它们在 Windows环境下抓包来分析，非常方便。在UNIX环境下如Sniffit，Snoop，Tcpdump，Dsniff 等都是比较常见的。这里介绍一个用C语言和网络数据包和分析开发工具libpcap及winpcap实现的简易网络Sniffer。-Currently, there have been numerous Sniff software tools, such as the Windows environment, the most famous tool is the Sniffer pro Netxray and use them in the Windows environment capturing Packet analysis, very convenient. In the UNIX environment as Sniffit, Snoop, Tcpdump, such as Dsniff are relatively common. Presented here with a C language and network packet analysis and the development of tools to achieve libpcap and winpcap Simple Network Sniffer.