Really Simple SSL kurulcak.

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{HTTPS} =on
RewriteCond %{HTTP_HOST} ^www.siteadi.com

RewriteCond %{SERVER_PORT} !=443
RewriteRule ^ https://www.siteadi.com%{REQUEST_URI} [NS,R,L]