MP4 progressive download needs hint tracks in MP4 file?

I'm wondering if RTP hint tracks in MP4 files are necessary to provide progressive download functionality over my NGINX server configuration. I can't remember where but I read somewhere that these additional tracks support the server by seeking operations (byte-range). Thanks for your feedback, Ha

Proxy cache of X-Accel-Redirect, how?

Hi! Tried to cache the X-Accel-Redirect responses from Phusion Passenger application server with the use of a second layer without success (followed the hint on http://forum.nginx.org/read.php?2,241734,241948#msg-241948). Configuration: 1) Application server (Phusion Passenger) adds X-A