RewriteEngine On

Header always set "X-NetworkManager-Status" "online"

RewriteCond "%{REQUEST_FILENAME}" "(generate)?_?204"
RewriteRule "(generate)?_?204" / [R=204,L]

RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]