一个非常好的防火墙程序,可以当好好地研究并进行扩展-a best FireWall program, you can research it carefully and expand it.

局域网中聊天 利用socket协议 实现点对点聊天 功能简单 以后有待更新-LAN socket chat using peer-to-peer chat protocol to be simple after update

simple chat client sever

一个网络流量统计的例子，使用了iphlpaip库-An example of network traffic statistics, the use of the library iphlpaip

首先，客户端的日志服务器，网络地址转换分布为本届会议的一个端口60000 ，那么伺服器收到了用户端的地址是202.187.45.3:60000 ，这是外部的客户网络地址。同样，客户乙登入伺服器， B至吨的NAT-First of all, Client A log server, NAT A distribution for the Session of a port 60000, then the Server S received the address of Client A is 202.187.45.3:60000, which is outside of the Client A network address. Likewise, Client B Login Server S, NAT B to the distribution of the Session of the port is 40000, then the Server S received B s address is 187.34.1.56:40000. At this time, Client A and Client B and Server S can be a communication. If Client A at this time would like to direct

语音电话高级编程是一个通过调制解调器来进行语音电话开发的程序，相信读者一定会感兴趣。 本程序需要调制解调器的支持，否则可能失败 需要调制解调器支持语音传输，本程序在子弹头 调制解调器下调试通过，通话时通过麦克风和话筒 来进行。-Voice Telphony Advance Coding descript How to program though a mode, we conside many reader shoud be insterest this..

软件还不是很完善，支持ftp与http下载，断点、多线程-software is not perfect, ftp and http support downloaded breakpoints, multithreading

一个拨号及监视拨号状况的例子-A dial-up and monitoring the status of examples of dial-up

telnet服务器的 vc  实现   源码   工程全可直接编译   telnet服务器的 vc  实现   源码   工程全可直接编译   源文件全  可以直接编译

邮件客户端程序，根据pop服务器，用户名可以收取邮件-E-mail client program, according to pop server, user name, e-mail that may be charged