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...

集成了班级留言板，班级相册，留言给个人，班级名片，资料修改，班级简介等功能。有后台管理，可以方便的进行班级信息管理。首页调用班级注册人数，当月寿星，在线统计等参数。-integrated class bulletin board, the class photo albums, voice mail to individuals, the class card, the information changes, the introduction of functional classes. There is a background for management, to facilitate the conduct of classes in information management. Home Calling class enrollment, the month SAO PAULO, online statistical parameters.

利用socket编程，UDP协议，实现数据收发-The use of socket programming, UDP protocol, data transceiver

ftp开发实例，如若作ftp开发，可以下载参考-ftp developed examples, if for ftp development, you can download reference

socket套接字的客户端程序，向服务器端发送并接受信息。若发送或接收信息失败则显示相应的错误信息。

在vc环境下获取网卡的mac地址，一个小程序-vc environment in the LAN access to the mac address, a small program

一个网络抓包程序。 利用Packet API函数抓包。非常实用。-a network-capturing Packet procedures. Packet using API functions- capturing Packet. Very practical.

这是一个从项目下载的Socket编程示例代码

NAT穿透 下面的表格列出民每个管理信息头的reSIP的类型。一个完整的包括每个类型存取的列表。 重新调用许多信息头是不同的值 这返回值用不同的值的情况必须重申为得到类型显示。 多值信息头被用(*)标识。-NAT Traversal The following table sets out the information in each of the first reSIP type. A complete access to each type of list. Many redeployed header value is different with this return value to the different values must be reiterated that as a type of show. Multi-value information was first used (*) logo.

MyDownloader is an open source application written in C# that is almost a complete download manager.

本系统属于小型的局域网监控系统，可以对某一台计算机进行屏幕监控，本系统主要实现以下功能：  系统采用人机交互的方式，界面美观友好。  屏幕信息需要时时显示，网络延时不能大于1秒。  服务器端可以随时运行，只要客户端运行，就能够显示屏幕信息。  系统运行时占用内存不能大于10MB，以免影响系统性能。  客户端运行时需要隐藏显示窗口，起其感觉不到在运行。 -This system belongs to a small local area network monitoring system that can carry out the screen of a computer monitor, this system is mainly to achieve the following features:  system uses human-computer interaction approach, friendly and beautiful interface.  screen displays information needs from time to time, the network delay can not exceed 1 second.  server-side ready to run, as long as the client is running, you can display on-screen information.  memory for the system is running can not be larger than 10MB, so as not to affect system performance.  the client run-time to hide the display window, from the feel running.