CSP: media-src
The HTTP Content-Security-Policy
(CSP)
media-src
directive specifies valid sources for loading
media using the <audio>
and <video>
elements.
CSP version | 1 |
---|---|
Directive type | Fetch directive |
default-src fallback |
Yes. If this directive is absent, the user agent will look for the
default-src directive.
|
Syntax
One or more sources can be allowed for the media-src
policy:
http
Content-Security-Policy: media-src <source>;
Content-Security-Policy: media-src <source> <source>;
Sources
<source>
can be any one of the values listed in CSP Source Values.
Note that this same set of values can be used in all fetch directives (and a number of other directives).
Examples
Violation cases
Given this CSP header:
http
Content-Security-Policy: media-src https://example.com/
The following <audio>
, <video>
and
<track>
elements are blocked and won't load:
html
<audio src="https://not-example.com/audio"></audio>
<video src="https://not-example.com/video">
<track kind="subtitles" src="https://not-example.com/subtitles" />
</video>
Specifications
Specification |
---|
Content Security Policy Level 3 # directive-media-src |
Browser compatibility
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