CAIRO - Egyptian authorities appealed on Thursday against a court order banning the video file-sharing site YouTube for a month over an amateur video that denigrates the Prophet Mohammad, saying the ruling was unenforceable."The National Telecommunication Regulatory Authority has presented an appeal to halt implementation of the verdict," said a statement from the Ministry of Communications and Information Technology.Egypt's administrative court ordered the ministries of communication and investment to block YouTube, owned by Google , inside the country because it had carried the film "Innocence of Muslims", said the state news agency MENA.