DirectoryIndex index.php
Options -Indexes

<FilesMatch "\.(sql|sqlite|sqlite3|db|md|log|ini|bak|backup|old|env)$">
  Require all denied
</FilesMatch>
<FilesMatch "^(config\.php|schema\.sql)$">
  Require all denied
</FilesMatch>

<IfModule mod_headers.c>
  Header always set X-Content-Type-Options "nosniff"
  Header always set Referrer-Policy "strict-origin-when-cross-origin"
  Header always set X-Frame-Options "SAMEORIGIN"
</IfModule>
