穿透防火墙 mfc界面

获得指定网卡序号的Mac地址,C语言函数代码-Access to the designated card serial number of the Mac address, C language function code

使用手机发送段信的源码，包括串口操作和AT指令集。使用vb.net编写。-use the phone to send a letter of the source code, including the serial port operation and AT command set. Use vb.net prepared.

程序功能： 　　提出了通过先将文档输出到文件打印机形成包含控制代码的打印文档，再通过网络将打印文档传输到多台同型号的打印机进行输出的方法实现各种软件的多点打印的解题思路，并提供了用VB具体实现的方法。 -procedures functions : through the first document output to a file containing the printer control code to form a print documents, through the network will print a document transmission of multiple models of the printer output for the realization of the software in multiple locations Print The problem-solving ideas, and provide a means for achieving specific VB method.

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该程序可以实现基本的包过滤，包过滤作为最基本的防火墙基层策略是属于比较早起的防火墙开发思路。从这个源码中你可以看到早期的防火墙的基本开发流程，这相信对你以后独立防火墙的编码有所帮助。

开发语言可以为C#,Delphi和VC，并支持面向对象的开发的支持，在服务容量增加的时候很方便的扩充，因此可以很方便的开发C/S网络应用。此外，充分利用UDP的优点并增加了通讯的可靠性。以及对用户的可管理性简化了用户的开发难度。-Development language for the C#, Delphi and VC, and to support the development of object-oriented support to increase capacity in the service when the expansion is convenient, it can be very convenient to develop C/S network application. In addition, full use of the advantages of UDP and increased communications reliability. As well as the users can simplify the management of the development of user difficulty.

在制作安装程序或在运行新程序之前相关配置，利用该代码创建IIS服务器。-Installed in the production process or in the running before the new procedures related to configuration, use the code to create IIS server.

一个可以获取网上邻居的代码，通过获取的主机名可以得到相应的IP地址，并且可以从本地向所获取的机器发送数据。-a neighbor can access online code, through access to the mainframe are able to access the corresponding IP addresses, as well as from local access to the machine by sending data.

关于TCP，UDP协议的网络编程，程序实现了客户端和服务器端的通信连接，通过socket建立连接，可以互相发送消息接收。-On TCP, UDP network programming protocols, procedures realize the client and server communications connections to establish a connection through the socket, you can send a message to receive each other.