Редирект .htacces с HTTP на HTTPS

Вариант 1

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

Вариант 2

RewriteEngine On
RewriteCond %{SERVER_PORT} !^443$
RewriteRule .* https://%{SERVER_NAME}%{REQUEST_URI} [R,L]

Вариант 3

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