Articles tagged referrer-policy

July 18, 2026HeaderTest Team

How to Add Security Headers in Nginx

Nginx sets response headers with add_header. Here is a copy-paste server block for HSTS, X-Frame-Options, nosniff and more — plus the inheritance trap that silently drops your headers inside a location block.

July 18, 2026HeaderTest Team

How to Add Security Headers in Apache

Apache sets headers with mod_headers. Here is a copy-paste config for HSTS, X-Frame-Options, nosniff and more — and why you want Header always set rather than Header set.

July 18, 2026HeaderTest Team

How to Add Security Headers with Cloudflare

Proxied through Cloudflare? Add HSTS, X-Frame-Options, Referrer-Policy and more at the edge with Managed Transforms and Transform Rules — no origin changes required.