How to get flv url

This is really easy in Linux, and can be used on all sites.

The solution is to use tcpdump via this command:

$sudo tcpdump -s 1514 -Ai en1 'tcp port 80 and tcp[((tcp[12:1] & 0xf0) >> 2):4] = 0x47455420'

Thanks a lot to this blog:
http://blog.poundbang.in/post/29578268/using-tcpdump-to-extract-uris-to-flv-videos

To download afterwards use wget. Some sites might block direct downloads, then simply use the --referer= option in wget ;)