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Merge pull request #1600 from turt2live/travis/c2s/media-csp

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Specify the minimum CSP for media
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Travis Ralston 2018-08-31 08:32:33 -06:00 • committed by GitHub
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changelogs/client_server/newsfragments/1600.feature Normal file
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Recommend that servers set a Content Security Policy for the content repository.

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specification/modules/content_repo.rst
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@ -33,6 +33,10 @@ recipient's local homeserver, which must first transfer the content from the
origin homeserver using the same API (unless the origin and destination
homeservers are the same).
When serving content, the server SHOULD provide a ``Content-Security-Policy``
header. The recommended policy is ``default-src 'none'; script-src 'none';
plugin-types application/pdf; style-src 'unsafe-inline'; object-src 'self';``.
Client behaviour
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