A functional testing tools for Intrusion Prevention System (IPS) under Windows. Just like tomahawk under Linux from TippingPoint Inc. http://www.tomahawktesttool.org/ . tomahawk is a free testing tools for IPS. It can be used for both functional block testing and performance testing. And can only run at Linux. wtomahawk is only for functional testing under Windows system. It use winpcap (http://www.winpcap.org/).