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]

Attention!

Some CMS may ignore this feature and continue to use the title HTTP_HOST, which can cause infinite redirects due to incorrect definition of the current host. In particular, the problem can be observed in WordPress. Disabling the option is a quick fix. "This site handles direct requests to a dedicated IP address".

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