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Various ramblings-on, mostly about Red5
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28 Jan 09 RTMPT and Red5

By default or so I’ve been told, the Flash Player will try various ports when attempting to connect to a resource. In Red5, RTMP is supported out-of-the-box on the default RTMP port of 1935 and HTTP is setup on 5080. A “special” server is started on 8088 as well to handle RTMPT only requests, but this requires that you set your request url as “rtmpt://myserver:8088/myapp/” which can be confusing and completely ignores the Flash Player port probing. So I offer this solution, allowing you to setup HTTP on port 80 and RTMPT on port 80 as well. Since Red5 includes a servlet container (Tomcat by default), you have a full-fledged HTTP server and servlet engine built-in; allowing a servlet to answer the RTMPT requests.
The first file we need to modify is the server properties file located in the conf directory:
red5/conf/red5.properties

  • Locate the http.port key and change it to 80 instead of 5080
  • Do not change the rtmpt.port entry, it should be 8088
  • Save and close the file

The last file to modify will be your web application configuration or “web.xml” file. The web application configuration file will be located here: red5/webapps/myapp/WEB-INF/web.xml if your application name is “myapp”. Add these entries:

    
   	<servlet>
		<servlet-name>rtmpt</servlet-name>
		<servlet-class>org.red5.server.net.rtmpt.RTMPTServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
    
	<servlet-mapping>
		<servlet-name>rtmpt</servlet-name>
		<url-pattern>/fcs/*</url-pattern>
	</servlet-mapping>

	<servlet-mapping>
		<servlet-name>rtmpt</servlet-name>
		<url-pattern>/open/*</url-pattern>
	</servlet-mapping>

	<servlet-mapping>
		<servlet-name>rtmpt</servlet-name>
		<url-pattern>/close/*</url-pattern>
	</servlet-mapping>

	<servlet-mapping>
		<servlet-name>rtmpt</servlet-name>
		<url-pattern>/send/*</url-pattern>
	</servlet-mapping>

	<servlet-mapping>
		<servlet-name>rtmpt</servlet-name>
		<url-pattern>/idle/*</url-pattern>
	</servlet-mapping>

Informational links about FlashPlayer and ports:
HTTP Tunneling protocols

The Trouble with Proxy Servers

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