a telephone dial

Through the socket file upload function,It has simple operation, programmers can be modified on this basis, the use of socket learning methods for beginners to learn.

Winpcap源码，好-Winpcap source, good Dongdong

多线程下载的，性能很好，visual c++编写的，可以参考-Multi-threaded download, good performance, visual c++ Prepared, you can reference

应用背景可以遍历配置文件配置好的IP，定时ping，通过检测，知道当前主机网络状态，一般用于局域网中的某些电脑或服务器，网络连接是否正常。关键技术采用IGMP技术，通过定时PING检测，获取当前主机的网络状态，可用于LAN中的一些PC、Server或网络设备的网络状态检测，是否正常。通过扩展，可实现更多功能。

学校java课程设计，自己写的服务器端代码，不包含数据库部分代码，可以实现循环接受客户端连接，并为每一个客户端开启相应的消息处理线程，包含文件传输，注册，登录验证，群聊消息转发，私聊转发，刚开始学编程，可能写的怪怪的，运行起来效果一般，客户端和数据库部分的代码以后会上传的

dasniff daSniff is an open source customizable sniffer for win32 systems. It helps you to log your LAN traffic by specifying packet rules as filters.

编写自己的一个ping程序,可以说是许多人迈出网络编程的第一步吧!!这个ping程序的源代码经过我的修改和调试,基本上可以取代windows中自带的ping程序. 各个模块后都有我的详细注释和修改日志,希望能够对大家的学习有所帮助-A ping to write your own procedures, it can be said that many people take the first step network programming!! The ping procedures after the source code to modify and debug my, basically to replace the windows in the built-in ping procedures. Each module After I have detailed notes and modify the log, hope to be able to help you study!!

ping 功能的实现-the implement of ping function

一个好的通迅录程序-a good communications process.

非常直观易懂的tcp通信程序，特别适合与初学者与进阶者，让你了解四种端口类型，非常好入门案例！-Very intuitive and understandable tcp communication procedures, particularly those suited to beginners and advanced, so that you understand the four kinds of port types, a very good entry-case!