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Real Time Messaging Protocol (RTMP) is a proprietary protocol developed by Adobe Systems for streaming audio, video and data over the Internet, between a Flash player and a server.
The RTMP protocol has three variations:
1. The "plain" protocol which works on top of TCP and uses port number 1935
2. RTMPT which is encapsulated within HTTP requests to traverse firewalls
3. RTMPS which works just like RTMPT, but over a secure HTTPS connection.
RTMP, RTMPT and RTMPS
By default, the Macromedia Flash Player communicates with the Flash Communication Server using RTMP protocol over port 1935. If that fails, it will try again over ports 443 and 80 in an attempt to workaround firewall settings within a company, which prevents TCP/IP connections over non-standard ports.
我在家就是用rtmp 1935端口,截包发现是没有加密的,应该是可以用rtmp下载的
在单位,因为有防火墙就,用的是443端口,数据是加密的必须用rtmps |
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