WinPcap

WinPcap A program that is especially useful for programmers and system administrators. It allows various applications to capture and pass network packets bypassing the protocol stack. WinPcap consists of a driver that extends the capabilities of the operating system and gives it low-level access to the network. Furthermore, it includes a version of libpcap, a widely used Unix API for Windows. It is also worth mentioning that it includes a number of additional tools for kernel-level packet filtering, remote packet captures and network statistics.Download WinPcap from freeSOFT: it is fast, free and completely safe.