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Application & OT Security · Intermediate

Permissions-Policy

An HTTP header that controls which browser features, such as camera, microphone or geolocation, a page and its embedded frames may use.

Definition

Formerly called Feature-Policy, it lets sites disable powerful features they do not need, limiting what injected scripts or third-party iframes can access.

Example

Permissions-Policy: camera=(), microphone=(), geolocation=(self)

Exam tip

Least functionality applied to browser features.

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