<filesMatch "\.(html|js|css|json|svg|jpeg)$">

FileETag None

<ifModule mod_headers.c>

Header unset ETag

Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate"

Header set Pragma "no-cache"

Header set Expires "Wed, 11 Jan 1984 05:00:00 GMT"

</ifModule>

</filesMatch>

Header unset X-Frame-Options

Header always set X-Frame-Options "DENY"

Header unset Content-Security-Policy

Header always set Content-Security-Policy "frame-ancestors 'none';"