rtsp over http response blocked by nginx
mdounin at mdounin.ru
Wed Feb 1 01:23:09 UTC 2012
On Wed, Feb 01, 2012 at 04:04:24AM +0400, Maxim Dounin wrote:
> On Tue, Jan 31, 2012 at 02:24:50PM +0100, eric elg wrote:
> > Hello
> > I am trying to use NGINX as reverse proxy for streaming using QuickTime
> > and rtsp over http.
> > QuicKTime send an http GET to my reverse proxy in a public zone, then my
> > reverse proxy send the request to my video server in a private zone.
> > What I can see is that the http GET request is received by NGINX on the
> > reverse proxy, then by my video server, which responds immediately with
> > a 200 OK.
> > This response is received by the reverse proxy, but it seems that NGINX
> > block the response. (see log file attached).
> The log provided suggests that backend neither close connection
> nor send anything. I suspect it's waiting for another request
> from the client before sending additional data, but didn't get it
> due to buffering in nginx. You may try adding
> proxy_buffering off;
> to see if it helps.
> On the other hand, the following link:
> suggests that rtsp over http uses POST requests with some
> arbitrary large Content-Length. It's likely to be next problem
> you'll encounter. And this is not going to work through nginx.
claims it should switch to "multi-post mode" then, so it looks
like I was wrong and rtsp over http will actually work.
So the only real problem is response buffering in nginx, which may
be easily swithed off (see above).
More information about the nginx