Users interested in Winpcap internal version 4.1.0.2001 generally download:
WinPcap is a tool to capture and transmit network packets that is Free (open source), delivers High Performance (optimized according standards), Popular (used by many tools), Tested and Reliable (it has been available for years), easy to use for the final user (windows installer), Multi-platform (Windows NT/2000/XP/2003), commercial support in the website of CACE Technologies.
