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本opc server工具可用于各种opc的调试环境(This tool can be used for a variety opc server opc debugging environment)

端口扫描工具 C++语言编写 代码简洁有效快捷！(Port scanning tool C++ language code is simple and effective and efficient!)

务器端基于select I/O模型。为防止程序界面阻塞，有一个子线程用于不断接收socket并select其中的处理。客户端只有一个线程函数，不过其利用率很高，可用于远程目录交换，请求文件大小，创建若干线程来下载文件。文件传输有上传和下载,还有对等传输，这个项目中，传输文件具体指下载。 (side is based on the Treasury select I/O model. To prevent the program interface obstruction, a son threaded socket for receiving continuous and select which of treatment. Only one client thread function, but its high efficiency, long-distance directory can be used to exchange documents requested size, creating a number of threads to download files. Upload a file transfer and downloading, and the transmission of the project, specifically referring to transfer files downloaded.)

本人上传vb源代码，希望对各位有所帮助，下载后可别忘了评论哦，谢谢，呵呵！

Icmp高级编程 代码在vc++6.0下调试通过(ICMP high-level programming code vc++ 6.0 debugging through)

从libnids得到TCP重组的数据，当libnids的状态为NIDS_JUST_EST时，表示TCP建立连接，在此时给TCP流增加一个flow_id用来标识此连接；当libnids的状态为NIDS_DATA时，表示接受数据，当有新的数据到达时，根据flow_id把数据push到相应的流表中，为之后的数据分析做准备。因此，可以在此框架上增加符合http协议的应用解析(Data TCP libnids restructuring, when libnids status to NIDS_JUST_EST, said the TCP connection is established, at the same time adds a flow_id to TCP flow is used to identify this connection When libnids status to NIDS_DATA, accepted data, when new data arrives, according to flow_id to push data to the corresponding flow table, prepare the way for after data analysis. Can be increased on this framework, therefore, in accordance with the application of the HTTP protocol parsing)

黑客攻防入门书籍 很好很强大 讲了各种攻击方法(Getting Started with a very good offensive and defensive hacking books, talk about a variety of very strong attack methods)

一个简单的TCP聊天程序，使用winsock api实现。(A simple TCP chat program)

说明：  基于VC的OPC客户端软件研究与实现.......(The OPC-based VC research and implementation of client software ....... )

点对点聊天工具，完整的工程,学习网络编程的可以参考(POINT TO POINT CHAT)