As a part of France’s three strikes law, the organization in charge of implementing the program, Hadopi […] has been tasked with figuring out a way to actually block people from the internet, or to stop them from using certain file sharing programs. While there were public consultations on how to do this, the actual technical spec was supposed to have been kept secret. Not surprisingly, that didn’t last very long. […]
http://www.techdirt.com/articles/20100804/04205910492.shtml