Works in RTMPSUCK but cant get it to work in RTMPDUMP

[nok]

Site url: http://live.tv69.hu/video.php?channel=channel0_0_hi

RTMPSUCK Output:

Processing connect
app: webtv
flashVer: LNX 10,2,159,1
swfUrl: http://tv69.hu/indexflash.swf?rnd=1304179484&sessid=&logoframe=3&width=640&height=480&channel=channel0_hi_0
tcUrl: rtmp://195.228.74.14/webtv
pageUrl: http://live.tv69.hu/video.php?channel=channel0_0_hi
Playpath: channel0_hi_0
Saving as: channel0_hi_0
ERROR: RTMP_ReadPacket, failed to read RTMP packet header
ERROR: RTMP_ReadPacket, failed to read RTMP packet header
Closing connection... done!

RTMP Command tried:

rtmpdump -r "rtmp://195.228.74.14/webtv" -a "webtv" -s "http://tv69.hu/indexflash.swf?rnd=1304179484&sessid=&logoframe=3&width=640&height=480&channel=channel0_hi_0" -y "channel0_hi_0" -p "http://live.tv69.hu/video.php?channel=channel0_0_hi" -o tv69.flv

Anyone have any ideas?