The port, the door to the outside internet. The http uses port 80 or 443, nowadays https, most sites now have https instead of http . for example http://quora.com
try quora.com:443 it will work
now for the rtmp it uses port 1935
try quora.com:1935 it will not work.
quora is not a rtmp server. the rtmp is used for media servers like live videostreaming.
So if you could use rtmp to broadcast live it would be great because the delay broadcasting and receiving the video transmission on rtmp is good, just 1 or 2 seconds of delay. while if you just use a normal http server for live streaming the delay is much higher sometimes up to 25 seconds.
BUT, most firewalls or browsers will not allow the port 1935 to be open, or the plugin use which is called flash from adobe is not acceptable anymore. that means the viewer using a purely rtmp server will not be able to see the transmission.
But there are still uses for rtmp server, and it is like this, the broadcaster connects from his location to the server with a rtmp and then the rtmp server converts the stream to another protocol called HLS (https live streaming) so we back on port 80 or 443 and then the transmission can be viewed by nearly all devices. You can see a sketch at the site RTMP Server | RTMP to HLS And HTML5 Player and you can even order a free demo and test yourself broadcasting live.
Going back to the ports check http://rtmp-server.com:1935/ it works! they using wowza which is special server for live streaming. you can more on this at their site Wowza Live Streaming Software
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In Wowza Media Server 3, MediaStreams represent an incoming or outgoing stream of video, audio or metadata. Wowza Server provides a mechanism for defining custom server-side MediaStream implementations or stream types. These stream types are configured using the Streams/StreamType property in the Application.xml file. The following table lists the more commonly used stream types and their intended use (for a complete list, consult the User’s Guide):
- default: Video on demand streaming of static Flash media, H.264/AAC and MP3 content
- record: Video recording
- live: Publish and play live video content (best for one-to-many streaming of live events)
- live-lowlatency: Publish and play live video content (best for one-to-one or one-to-few video/audio chat applications)
- live-record: Same as live plus content will be recorded
- shoutcast: Audio re-streaming of a SHOUTcast/Icecast MP3 or AAC+ audio stream
- shoutcast-record: Same as shoutcast plus content will be recorded
- liverepeater-origin: Origin stream type used by live stream repeater to deliver a single streaming using origin/edge configuration
- liverepeater-edge: Edge stream type used by live stream repeater to deliver a single stream using origin/edge configuration
- rtp-live: Re-streaming of an RTSP/RTP, native RTP or MPEG-TS stream
- rtp-live-record: Same as rtp-live plus content will be recorded
Wowza Media Server 3 supports the following media file formats: FLV (Flash Video), MP4 (QuickTime container) and MP3 content (see table below for common file extensions). To play video on demand content, the proper prefix must be prepended to the file name to create a stream name. For example to play the MP4 file mycoolvideo.mov use the stream name mp4:mycoolvideo.mov. The following table lists the more common file type prefixes (for a complete list consult the User’s Guide):
- flv: FLV (Flash Video – this is the default media type so the qualifier and the file extension can be omitted)
- mp4: MP4 (QuickTime container – .mp4, .f4v, .mov, .m4v, .mp4a, .3gp, and .3g2)
- mp3: MP3 (.mp3)
- smil: SMIL (XML files used to configure multi-bitrate streams – .smil)
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