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Mozilla Firefox and RTSP (RealPlayer)

Download Firefox, a web browser. Configure Firefox to allow it to open streaming media files with the RTSP protocol (RealPlayer).

Video and music files often use the RTSP protocol, using a URL prefaced with rtsp://.  Firefox does not know how to handle this protocol natively. This can result in the error RTSP is not a registered protocol when you try to access streaming media on the web.

Download Mozilla Firefox from the vendor

To adjust the Firefox configuration settings to allow Firefox to open RTSP links:

  • Open Firefox, and type about:config in the URL bar.
  • Right-click in the main window and select New and then String.
  • Enter network.protocol-handler.app.rtsp for the preference name and click OK.
  • Enter /usr/local/RealPlayer/realplay and click OK.

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