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Yandex Cloud CDN
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  1. Concepts
  2. Data exchange between clients and the CDN
  3. CORS

CORS in Cloud CDN

Written by
Yandex Cloud
Updated at January 22, 2026

Yandex Cloud CDN supports cross-domain requests via CORS (cross-origin resource sharing).

In the resource settings, you can:

  • Allow CORS requests with any origins (the Origin header values): Set the Access-Control-Allow-Origin header to * or to the Origin header’s value in the request.
  • Allow CORS requests for specific origins: Set the Access-Control-Allow-Origin header to the value of the Origin header in the request, but only if it is listed as allowed in the settings.
  • Deny CORS requests: Disable adding the Access-Control-Allow-Origin header to responses.

CORS settings apply to all files of the resource.

Note

To make sure cross-domain requests are enabled, additionally set up CORS on a source if the source supports this mechanism. For example, CORS configuration is required for Object Storage buckets.

See alsoSee also

  • CORS configuration guide.

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