IP Sniffer 是国外一款非常不错的IP封包监听工具，它几乎具备了一个IP工具所拥有的全部功能。
IP Sniffer is a suite of IP Tools built around a packet sniffer.
The packet sniffer can work on all Windows versions using either the new raw socket implementation of Windows2000 (driverless) or WinPcap (needs to be installed) or a NDIS protocol (needs to be installed , no reboot).
The sniffer has basic features like filter, decode, replay, parse…
