Here it needs a Token(-T) to work
Code:
rtmpdump -r "rtmp://118.69.202.59:1935/hayhaytv_live" -a "hayhaytv_live" -f "WIN 11,6,602,171" -W "http://www.hayhaytv.vn/player/smartplayer.swf" -p "http://www.hayhaytv.vn/livetv/star-movies-31376E61.html" --live -T "na^tu12%28aqw" -y "mp4:star.movie.720p" -o "mp4_star.movie.720p.flv"