Problem recording Hulu video with rtmpsuck

[arromdee]

I'm using rtmpsuck 2.3 on Mandriva Linux 10.1. The iptables rule I got off the net somewhere and I don't really understand it; it's iptables -t nat -A OUTPUT -p tcp --dport 1935 -m owner \! --uid-owner rtmp -j REDIRECT

Logging in as rtmp and trying to run rtmpsuck runs intermittently. I find that
1) when I go to a test rtmp video I found on the net (http://demo15.hwdmediashare.co.uk/hw...mp-stream-test ) it works every single time.
2) hulu only works a fraction of the time. If it works, it works; if it doesn't work, I just get "Streaming on rtmp://0.0.0.0:1935" with nothing else. I was wondering if hulu is not always using port 1935 but I have no idea how to check that.
3) the ads preceding the show are not downloaded. While I have no particular desire to save ads, I'd expect that they'd get downloaded just because they're there.
4)An ad in the middle of the show causes rtmpsuck to immediately stop downloading and it won't restart even after the ad. Is there a workaround for this?