Just for snits and giggles I "borrowed the neighbor's wifi just in case KT was blocking my IP. Same errors.
Code:
rtmpdump -r "rtmpe://mbrstream.kelbymediagroup.com/ondemand/encoding" -a "ondemand/encoding" -f "WIN 11,1,102,55" -W "http://media.kelbymediagroup.com/players/player5.7/player.swf" -p "http://kelbytraining.com/online/watch/ziser_start_to_finish" -y "mp4:kt_lwsstf_ziser_1_intro_720p.mp4" -o "01 Introduction and Equipment.mp4"
RTMPDump v2.4 GIT-2011-09-30 (Compiled by KSV)