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基于UDP协议通信 实现电脑之间的字符通信 简单的聊天功能(character communication based on UDP )

界面清爽VB版高级专业防火墙 Ver 2.0.3 源代码，非常棒,强烈推荐！(VB version of the interface refreshing senior professional firewall Ver 2.0.3 source code, great, highly recommended!)

说明：  理解局域网的定义、特点 了解局域网的介质访问控制方法 了解以太网技术 了解局域网组网类型(Understand the definition of LAN and characteristics about LAN Ethernet media access control approach to understanding the technical understanding of LAN networking types)

说明：  如何开发OPC Server.OPC主要适用于过程控制和制造自动化等应用领域。(this paper teach us how to make OPC Server.The main useful to use OPC is contoel.)

用socket实现客户端服务器上传下载传输文件(use socket download file)

Opc use the software, use VB programming

快递发送单查询通信，　利用了socket(Courier to send single query communication using a socket)

这个源码涉及到网络编程，图像处理，数据压缩与传输。(source involved in the programming of the network, image processing, data compression and transmission.)

说明：  管理windows的网络进程程序 可以实现进程的建立，端口号，关闭的功能，隐藏的也可看到(serveices management for windows)

国外黑客800例，比较全面的讲解黑客技术，能够让你快速的找到需要的技术，进行研读(800 cases of foreign hackers, a more comprehensive explanation hacker technology that allows you to quickly find the needed technology, the study)