确定是否已经连接到Internet的程序

自己做的一个聊天工具，有服务器和客户端，很简单的个，还需要修正，运行前请连上互联网，否者会出错-Their own tools to do a chat, a server and the client, very simple, and also need to be amended, to run before you connect to the Internet, whether it would be wrong

traceroute在windown下的实现-traceroute in windown realize under

简单的UDP接收代码，学习Window Socket的小例子。-UDP receive a simple code, learning the Window Socket example.

windows API（非MFC） 组播代码-windows API (non-MFC) multicast code

本人写的syn洪水共击源代码-I wrote syn floods hit a total of source code

一个信使服务程序。虽然网上有很多这方面的资料，但大多数都是调用net send程序。本程序是通过调用API函数实现。为了能够互相学习。本程序可任意修改。（开发环境C＋＋Builder windows 2000)-a courier service procedures. Although many Internet information in this regard, but the majority are called net send procedures. This program is by calling API functions. In order to learn from each other. This procedure can be arbitrarily changed. (Development Environment C++ Builder windows 2000)

聊天使用很好用的 可是视频 文件传输 以及实时对话-Chat with the use of very good but the video file transfer and real-time dialogue

网络无盘系统，无盘站的好帮手-diskless network systems, diskless station"s helping hands

try to punch hole in firewalls via UDP

一份winpacp做的arp的代码 一份winpacp做的arp的代码 -Winpacp a code to do the arp a winpacp to do the arp code