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Editorial Team
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Asked: 2026-05-31T18:30:14+00:00

I’m using a streaming distribution on CloudFront to serve media via RTMP. Obviously I

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I’m using a streaming distribution on CloudFront to serve media via RTMP. Obviously I want to restrict the crossdomain.xml file but CloudFront is only serving it’s default one. The docs give instruction on how to overwrite their default -> I have a public, non-restricted crossdomain.xml in the root of my s3 bucket (the one with the media files), but it still serves out the default. What am I missing?

It should not be serving the default here: http://sixqlk56v2jbq.cloudfront.net/crossdomain.xml

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1 Answer

  1. Editorial Team

    The docs give instruction on how to overwrite their default

    I’m not aware of this currently, to the contrary, see Restricting Access Using Crossdomain.xml:

    The Adobe Flash Media Server crossdomain.xml file specifies which
    domains can access media files in a particular domain. CloudFront
    supplies a default file that allows all domains to access the media
    files in your streaming distribution, and you cannot change this
    behavior.     [emphasis mine]

    So while an annoying limitation indeed, I’m afraid you are out of luck currently, except if this turns out to be a documentation bug; you might want to file a respective support and/or feature request in the Amazon CloudFront Forum accordingly.

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