2.12.4. Features of the redirect when using a dedicated IP

When activated in site settings options "This site handles direct requests to a dedicated IP address»The RewriteRule processing logic changes in .htaccess: instead of HTTP_HOST should use HTTP:X-Real-host.

Working redirect directives with www.example.com on example.com will look like this:

RewriteCond %{HTTP:X-Real-host} ^www.example.com
RewriteRule ^(.*)$ http://example.com/$1 [R=301,L]