.htaccess - “Too many redirects” when trying to force https

Question

I am trying to force a subfolder (/bbb/) of my root domain to show always as https. Also my .htaccess file take care of the extensions of the pages.

I have

Answer 1

RewriteCond %{HTTPS} off
RewriteCond %{HTTP:X-Forwarded-Proto} =http
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

Add X-Forwarded-Proto condition instead