Code:
rtmpdump -r "rtmpe://s3qldtjti5svia.cloudfront.net/cfx/st" -a "cfx/st" -f "WIN 11,3,300,257" -W "https://d2wyexd3wmzchq.cloudfront.net/includes/rtmpdualprovider.swf" -p "https://secure.cbtnuggets.com/it-training-videos/it-nuggets-library/series/comptia-a-220-701-220-702/7209" -y "mp4:vids/hq/ctia_aplus_2009_02_free.mp4?Expires=1341504935&Signature=DT1-GE3fr7NaYzLovHr4G~qDNrHlYh5lyPLlGtvIPmFjFizLuYsbHTLiZALPUZgrT-F5YiDWJzIt1txOFL2gIOqfuXYAt6u6bwrwE9E6S0XO6XQM4yKT5UEw08wkuaezAJXA-v3sxU52tbOCf9Z9tY1jzFsyJezLST54QN7UH0g_&Key-Pair-Id=APKAJVGKB6FZ23ZYHOJQ" -o "output.flv"