编译环境:VC6 作用:简单功能的sniffer.使用WSADATA等windows socket.可监听tcp,udp,icmp等,也可根据需要更改代码.

sniffer the local network

网络爬虫,通过输入地址，可获取页面的信息，再通过程序中解析的方法，将地址内容、要爬的首元素名称、尾元素名称输入到方法中，可获取想要得到的内容-snatch URL Content

tracert跟踪程序，该诊断实用程序通过向目的地发送具有不同生存时间 (TTL) 的 Internet 控制信息协议 (ICMP) 回应报文，以确定至目的地的路由。-tracert tracking program, the diagnostic utility to the destination by sending a different time to live (TTL) of the Internet Control Message Protocol (ICMP) response message to determine the route to the destination.

void Task_Server(void *pdata)  {      SOCKET* s; int ei;          //存放返回值的变量 int RecvCnt=0;        //接收数据个数 uint8 RecvBuff[200];      //接收缓冲区 uint8 RecvBuffP=0; uint8 CanSUCCESS=0; struct sockaddr serveraddr,clientaddr;  //sockaddr 结构体由协议栈类型、IP和端口组成  uint32 regaddrBYTE;        serveraddr.sin_family = 0;     //协议栈类型 serveraddr.sin_addr[0] = MCU_IP[0];   //四位IP地址 serveraddr.sin_addr[1] = MCU_IP[1]; serveraddr.sin_addr[2] = MCU_IP[2]; serveraddr.sin_addr[3] = MCU_IP[3]; serveraddr.sin_port = 4000;     //服务器本地端口   s  = socket(AF_INET,SOCK_STREAM,TCP_

一个端口到进程的映射工具，供大家学习交流-A port-to-process mapping tool for studying the exchange of U.S.

sniff代码,可以进行切听-sniff code that can be cut to listen

这个程序是Netstat的一个实现，可列举UDP/TCP联接信息。-This program implements a subset of the Netstat program s functionality. Specifically, it enumerates and displays information about all UDP and TCP endpoints.

网络数据包的捕获与分析，用于维护网络安全的软件-The stuff can be used in the capture and analysis of datagrams on the network.It s useful for the security mainteinance.

监听分析HTTP数据包获取web用户密码的程序 -Monitor HTTP packets and Get the password of web user

我测试过了，数据包多时，效果不好，可以挂协议分析-I ve tested, and data packets for some time, the effect of poor, can be linked to protocol analysis