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
Content-Security-Policy: media-src 'none';
Content-Security-Policy: media-src <source-expression-list>;
This directive may have one of the following values:
'none'
-
No resources of this type may be loaded. The single quotes are mandatory.
<source-expression-list>
-
A space-separated list of source expression values. Resources of this type may be loaded if they match any of the given source expressions. For this directive, the following source expression values are applicable:
Examples
>Violation cases
Given this CSP header:
Content-Security-Policy: media-src https://example.com/
The following <audio>
, <video>
and
<track>
elements are blocked and won't load:
<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>