WinPcap is a pack of libraries that allows the applications to capture and send small network packages without passing thought the protocols pile. It's a version of the popular libcap API for Unix developed for Windows. Furthermore, it includes other functions like packs to kernel filtering level, support for the capture of remote packs or a network of statistics engines.

Tools to manage your network

It is an essential tool to launch many network tools, that already use package capturing and filtering by WinPcap. Some examples:

• Network monitors.
• Sniffers.
• Intruder detection systems.
• Protocol analyzer...

WinPcap includes the API library from Linux for Windows. Its proven efficiency has transformed the application more or less into a standard for the industry, despite being open source and free. It's used in commercial environments and its performance is outstanding. If you still don't have WinPcap you should have a clear idea of why you should install it.