一个简单的SIP协议栈，但基本的功能已经实现。是osip的第二选择...

使用Global.asax定时扫描指定ip地址，并写入数据库-Use Global.asax regularly scan the specified ip address and write the database

VB管理网络链接，经常切换者需要。VB management network link, often switching needs. -VB managed network link, often need to switch. VB management network link, often switching needs.

该示例给出了如何在windows平台上实现完成端口的例子。-the examples given of how the windows platform to achieve complete port example.

目前，已经有不少的Sniff工具软件，如Windows环境下，最富盛名的工具是Netxray和Sniffer pro，用它们在 Windows环境下抓包来分析，非常方便。在UNIX环境下如Sniffit，Snoop，Tcpdump，Dsniff 等都是比较常见的。这里介绍一个用C语言和网络数据包和分析开发工具libpcap及winpcap实现的简易网络Sniffer。-Currently, there have been numerous Sniff software tools, such as the Windows environment, the most famous tool is the Sniffer pro Netxray and use them in the Windows environment capturing Packet analysis, very convenient. In the UNIX environment as Sniffit, Snoop, Tcpdump, such as Dsniff are relatively common. Presented here with a C language and network packet analysis and the development of tools to achieve libpcap and winpcap Simple Network Sniffer.

现实Ping功能的源代码-reality Ping function of source code

用于下载文件，还可以用于更新网络文件，还可用于加密文件。-Used to download files, but also can be used to update the network files, can also be used to encrypt files.

网络抓包库wpcap3.0开发包和源代码，推荐下载-Ethereal Library wpcap3.0 network development kit and source code to download

ESP协议的实现,初级阶段-ESP agreement achieved, the initial stage

一个很好的多线程聊天室的源程序，详细的讲解了MFC的多线程编程方法socket-A good multi-threaded chat room source code, detailed explanation of the MFC multi-threading programming socket

socket的相关知识介绍-socket on the relevant knowledge