CSP: report-to

CSP: report-to

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

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

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

Examples

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

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

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

Specifications

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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
report-to
70
79
No
No
No
No
70
70
No
No
No
10.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/report-to