Как осуществить правильный редирект с http на https на Bitrix?

Options -Indexes 
ErrorDocument 404 /404.php

<IfModule mod_php5.c>
	php_flag allow_call_time_pass_reference 1
	php_flag session.use_trans_sid off
    php_value opcache.revalidate_freq 0
	#php_value display_errors 1

	#php_value mbstring.internal_encoding UTF-8
</IfModule>

<IfModule mod_rewrite.c>
	Options +FollowSymLinks
	RewriteEngine On
	RewriteCond %{REQUEST_FILENAME} !-f
	RewriteCond %{REQUEST_FILENAME} !-l
	RewriteCond %{REQUEST_FILENAME} !-d
	RewriteCond %{REQUEST_FILENAME} !/bitrix/urlrewrite.php$
	RewriteRule ^(.*)$ /bitrix/urlrewrite.php [L]
	RewriteRule .* - [E=REMOTE_USER:%{HTTP:Authorization}]
	RewriteCond %{HTTP_HOST} ^www\.site\.ru$ [NC]
	RewriteRule ^(.*)$ http://site.ru/$1 [R=301,L]
</IfModule>

<IfModule mod_dir.c>
	DirectoryIndex index.php index.html
</IfModule>

<IfModule mod_expires.c>
	ExpiresActive on
	ExpiresByType image/jpeg "access plus 3 day"
	ExpiresByType image/gif "access plus 3 day"
</IfModule>