lorcon (acronym for Loss Of Radio CONnectivity) is an open source network tool. It is a library for injecting 802.11 (WLAN) frames, capable of injecting via multiple driver frameworks, without the need to change the application code. Lorcon is built by patching the third-party [http://madwifi-project.org/ MadWifi]
-driver for cards based on the Qualcomm Atheros wireless chipset.[1] [2] [3]
The project is maintained by Joshua Wright and Michael Kershaw ("dragorn").