CSP: report-to

The Content-Security-Policy Report-To HTTP response header field instructs the user agent to store reporting endpoints for an origin.

http

Content-Security-Policy: …; report-to groupname

The directive has no effect in and of itself, but only gains meaning in combination with other directives.

CSP version 1
Directive type Reporting directive
This directive is not supported in the <meta> element.

Syntax

http

Content-Security-Policy: report-to <json-field-value>;

Examples

See Content-Security-Policy-Report-Only for more information and examples.

http

Report-To: { "group": "csp-endpoint",
              "max_age": 10886400,
              "endpoints": [
                { "url": "https://example.com/csp-reports" }
              ] },
            { "group": "hpkp-endpoint",
              "max_age": 10886400,
              "endpoints": [
                { "url": "https://example.com/hpkp-reports" }
              ] }
Content-Security-Policy: …; report-to csp-endpoint

http

Report-To: { "group": "endpoint-1",
              "max_age": 10886400,
              "endpoints": [
                { "url": "https://example.com/reports" },
                { "url": "https://backup.com/reports" }
              ] }

Content-Security-Policy: …; report-to endpoint-1

http

Reporting-Endpoints: endpoint-1="https://example.com/reports"

Content-Security-Policy: …; report-to endpoint-1

Specifications

Specification
Content Security Policy Level 3
# directive-report-to

Browser compatibility

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See also