一个小巧的PHP+mysql的留言板源码，非常简练美观

基于libevent的IO框架，跨平台，基于事件注册回调机制-based on the IO framework, cross-platform, event-based registration callback mechanism

SOCKET，带测试程序，客户端和服务端，支持文件传输

UA741中文资料 UA741中文资料-UA741 Chinese data UA741 Chinese data UA741 Chinese data

简单的校验和算法，模拟通信发射和接收方间通信-A simple checksum algorithm to simulate communication between transmitting and receiving side communication

控制台下制作的聊天软件，c++语言开发。给c++初学者展示了如何在控制台下制作软件。-Console chat software produced, c++ language development. To c++ beginners showing how to produce software under Control Panel.

本人课程实验做的一个基于winpcap的网络嗅探器，附源程序，用c开发，在vc++6.0下编译通过。它可以列出监视主机的所有的网卡，选择一个网卡进行监听，捕获并显示流经网卡的数据包，并做相应的分析和统计，还可以设置捕获过滤规则，就某种协议（ip、 tcp、 udp 等）进行重点分析。 -I do a course experiments based on the WinPcap network sniffer, with source code, using c development, in vc++ 6.0 compiler passed under. It can list all the host surveillance network card, select a card to monitor, capture and display data packets flowing through the network card and do the appropriate analysis and statistics, can also set filters to capture the rules of some sort of agreement on the (ip, tcp , udp, etc.) the focus of analysis.

完整的FTP上传、下载代码，压缩包内的DEMO直接用一个FTP站点做测试，请各位不要删站点内的东西。-integrity of the FTP upload, download code and compressed within the DEMO direct an FTP site testing, please do not delete everything inside the site.

ICMP系统,通过它可以PING别的电脑或跟踪其它电脑.-ICMP system, it can PING other computers or other computer tracking.

非常简易的一个端口扫描程序 说明了一些端口扫描的基本思路 -a very simple description of the procedures for port scanning port scanning some basic ideas