Headers Security
low Severity
Free Check
Reporting-Endpoints & NEL Header
Inspects Reporting-Endpoints and Network Error Logging (NEL) headers for automated real-time security violation reporting.
Why It Matters
Reporting endpoints allow you to receive automated reports when users encounter CSP violations or network hijacking attempts.
How We Check This
We look for Reporting-Endpoints and Report-To headers in the response.
How to Fix & Implement
Copy-paste configuration blocks tailored for your web server or edge proxy.
nginx snippet
add_header Reporting-Endpoints 'main-endpoint="https://example.report-uri.com/r/d/csp/enforce"';
Frequently Asked Questions
What is NEL?
Network Error Logging allows browsers to report TLS and DNS failures even when the user cannot reach your web server.