common-headers.nginx.conf

# This file should be included in server{}, and also in any location{}
# which has a call to add_header.
# See: https://nginx.org/en/docs/http/ngx_http_headers_module.html#add_header

add_header Strict-Transport-Security "max-age=63072000" always;
add_header X-Frame-Options "SAMEORIGIN";
add_header X-Content-Type-Options nosniff;