telnet_server实现telent的简单功能，是学习telnet的好例子。

c#实现的modbus与设备之间的TCP通讯，可以读取数据。

一个用 asp+access开发的再线考试系统，程序比较短小，但很有参考价值-an asp access with the development of longer lines examination systems, procedures relatively short, but great reference value

C#编写的网站附件安全设置-C# prepared by the security settings annex site

小区宽带网接入技术及宽带网络布线-Area Broadband Network Broadband Access Technology and Network Cabling

我自己收集的一堆关于网络方面的介绍和实用教程，绝对是有利于提高自身技术的！-I collected a pile on the network and the introduction of practical course, it is absolutely conducive to improving their own techniques!

lwip-tcpip协议-lwip- TCPIP agreement

这是一个Flash制作的综合搜索引擎实例！ 上面加了个Flash计数器！下载后有Fla源文件，-This a Flash produced by the integrated search engine examples! Above added a counter Flash! After downloading Fla source,

一个关于迷宫的程序-a maze of procedures

DSC（Data Service Center）是用于接收DTU数据和向DTU发送数据的服务软件，和DTU之间通讯使用开发包动态库gprs_dll.dll，该文件包括和DTU通讯所需要的全部API函数，包括服务的启动、数据发送、数据接收、关闭服务等，DSC实际上是架构在gprs_dll.dll所提供的功能之上的数据处理软件，其所需要完成的功能如下： 1、 调用API启动服务和停止服务； 2、 调用API接收数据和向DTU发送数据，并且对数据作进一步处理； 3、 调用API轮询DTU用户列表，如果需要可作进一步处理，包括用户认证等； 4、 调用API对DTU进行远程配置 -DSC (Data Service Center) is used to receive data and to the DTU DT U send data services software, and communications between the DTU use development kits gprs_dll.dll DLL, the documents include communications and DTU need all API function, including the launch, data sending, receiving data, the closure of services, DSC is actually in gprs_dll.dll framework provided by the above functions of data processing software, they need to complete the following functions : 1, API calls to stop and restart services; 2. API call and receive data to the DTU send data, as well as data for further processing; 3. Call API Polling DTU user list, if necessary, for further processing, including user authentica

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