Directive: media src

Overview

The media-src directive specifies valid sources for loading media using the <audio> and <video> elements.

Affects: <audio> and <video>, along with their nested <source> and <track> elements.

Required reading:

• Can I use media-src?
• MDN Web Docs reference

Usage examples

Accepts one or more schemes or hosts, the 'self' keyword, or the 'none' keyword.

media-src 'none'

media-src 'self'

media-src example.com

media-src example.com example.org

media-src https://*.example.com

media-src https:

Fallbacks

✅ media-src will fallback to default-src if it is undefined.

• default-src
  • media-src

Possible errors

• CSP-0100 — [ERROR] directive %s has an invalid value %s

For developers

ABNF (CSP3)

directive-name  = "media-src"
directive-value = serialized-source-list

See ABNF: serialized-source-list

Type

• source-list in CSP2
• serialized-source-list in CSP3

References

• CSP Level 2 reference
• CSP Level 3 reference
• MDN Web Docs reference
• Can I use media-src?