Have you managed to rip a stream from ESPN3 using rtmpdump? I can't manage to authenticate as well - I get Access Denied.
rtmpdump --rtmp "rtmp://cp88998.edgefcs.net:1935/ondemand" --playpath "mp4:88998/espn/2012/03/16/176-19796/web-encodes/415194_espn3_400k/415194_espn3_400k.mp4" --swfUrl "http://neulion.vo.llnwd.net/o37/espn/player/espnplayer/static/flex/console.swf" --auth "da.cYbJaqb5a0cXcVaobwdDawdwbtapbgbb-bpNt9W-O-2yynCKKCs-saqen3ldtp.lales5obpfkcj3o9pbqelfs4q8n6l9s5l5l6s6p op6k4kqpop9rmmotoqcnbl9sclfmqs2o8p6kfj4oep8q3lasdq 3n7lg" -o test.flv --verbose
RTMPDump 2.4
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
DEBUG: Protocol : RTMP
DEBUG: Hostname : cp88998.edgefcs.net
DEBUG: Port : 1935
DEBUG: Playpath : mp4:88998/espn/2012/03/16/176-19796/web-encodes/415194_espn3_400k/415194_espn3_400k.mp4
DEBUG: tcUrl : rtmp://cp88998.edgefcs.net:1935/ondemand
DEBUG: swfUrl :
http://neulion.vo.llnwd.net/o37/espn...ex/console.swf
DEBUG: app : ondemand
DEBUG: auth : da.cYbJaqb5a0cXcVaobwdDawdwbtapbgbb-bpNt9W-O-2yynCKKCs-saqen3ldtp.lales5obpfkcj3o9pbqelfs4q8n6l9s5l5l6s6p op6k4kqpop9rmmotoqcnbl9sclfmqs2o8p6kfj4oep8q3lasdq 3n7lg
DEBUG: live : no
DEBUG: timeout : 30 sec
DEBUG: Setting buffer time to: 36000000ms
Connecting ...
DEBUG: RTMP_Connect1, ... connected, handshaking
DEBUG: HandShake: Type Answer : 03
DEBUG: HandShake: Server Uptime : 1444612941
DEBUG: HandShake: FMS Version : 3.5.7.1
DEBUG: HandShake: Handshaking finished....
DEBUG: RTMP_Connect1, handshaked
DEBUG: Invoking connect
INFO: Connected...
DEBUG: RTMP_ClientPacket, received: invoke 134 bytes
DEBUG: (object begin)
DEBUG: Property: NULL
DEBUG: (object begin)
DEBUG: Property: <Name: level, STRING: error>
DEBUG: Property: <Name: code, STRING: NetConnection.Connect.Rejected>
DEBUG: Property: <Name: description, STRING: [ AccessManager.Reject ] : Access denied!>
DEBUG: (object end)
DEBUG: (object end)