Chapter 1 Serial Port Dual Internet. Rar

一个封装了Winpcap中二层函数的类-a package of Winpcap Layer-2 function category

VC++编程环境。得到本地mac地址。界面友好，使用方便-VC++ programming environment. Get the local mac address. Friendly interface and easy to use

一个通过POP3收邮件的VC＋＋工程,可以将email附件解开-POP3 incoming mail through the VC project, you can email the annex to untie

检查更改过的文件备份，节省操作时间。 按Ctrl+Alt+F9弹出界面菜单。 显示备份状态和文件大小次数。 当目的地址是网络时，需要帐户和密码。 当正在备份时可以按停止键停止备份。 暂时只有增量备份 备份时间设定，格式可以是 00.00.00 或者 00:00:00。 进程优先算法选中后不影响其他程序工作(默认)。 点击确定保存设定开始计时。 自动启动并计时开始。-inspection changes to the document backup, saving hours of operation. Press Ctrl-Alt-F9 pop-up menu interface. Show backup status and the number of file size. When the destination address of the network, need to account and password. When the backup is at the stop button can stop by the backup. Incremental backup is only temporary backup sets the time, format or can be 00.00.00 00:00:00. Priority algorithm process after the elections does not affect other procedures (default). Click OK to preserve set the timer. Automatically activated and start time.

通过本程序，我们可以访问局域网内的其他计算机的文件资源。通过学习，应学会如何使用CSocket类来对制定端口进行扫描。-Through this process, we can access other computers on the LAN of file resources. Through the study, should learn how to use the CSocket class to the development of port scan.

vb.net开发的聊天程序-vb.net development of the chat program

本代码时对局域网中多播通信的实现，有加入多播组功能，退出多播组功能，多播显示发送接收消息等。-The code of LAN Multicast Communication, a multicast group by adding features from the multicast group function, multicast, etc. show the send receive messages.

本ping程序实现了ping.exe的基本功能，并且使用了ip报文中记录路由的字段，实现了路由记录功能，并附详细的说明文档。-the ping program of the basic functions of privileges, and the use of the ip packet routing record fields, achieving record routing function, together with detailed documentation.

try to punch hole in firewalls via UDP

通过实际情况进行相应的配置，可以自动修改ip地址，网关，子网掩码，DNS-The actual situation through the appropriate configuration, can automatically modify the ip address, gateway, subnet mask, DNS