did you use this version
Code:
rtmpdump -r "rtmp://rtmp.miplayer.net/redirect" -a "redirect?wmsAuthSign=c2VydmVyX3RpbWU9NS8xMy8yMDE1IDU6NTc6MjcgUE0maGFzaF92YWx1ZT1YVTAxK2Q2Qk1VOUFPNVVoSjBpRGNRPT0mdmFsaWRtaW51dGVzPTU=/" -f "LNX 17,0,0,134" -W "http://p.jwpcdn.com/6/12/jwplayer.flash.swf" -p "http://miplayer.net/embedplayer.php?width=640&height=480&id=ibrodtv9&autoplay=true&strech=uniform" -y "ibrodtv9_3g8yng93" -o "2015-05-13_07-57-29_ibrodtv9_3g8yng93.flv" -T "OOG17t.x#K9Vh#|"
RTMPDump v2.4 GIT-2015-01-15 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
INFO: Connected...
INFO: rtmp server sent redirect
INFO: trying to connect with redirected url
WARNING: Trying different position for server digest!
Starting download at: 0.000 kB
INFO: Metadata:
if not
https://github.com/K-S-V/Scripts/rel...mpdump-2.4.zip