Linux下的sniffer程序,可以监听所有80端口的数据包，可以通过修改源码的过滤规则来指定监听一个IP,使用gcc sniffer -o sniffer -l pcap来编译文件，若没有libpcap,在网上下载，readhat自带有libpcap-Linux under the sniffer program, you can monitor all packets on port 80, you can modify the source code to specify filtering rules listen an IP, use gcc sniffer-o sniffer-l pcap to compile the file, if not libpcap, downloaded from the Internet, readhat comes with libpcap