Configuring IBM HTTP Server to display maintenance messages
https://www.ibm.com/developerworks/community/blogs/aimsupport/entry/ibm_http_server_maintenance_mode?lang=en
https://www.ibm.com/developerworks/community/blogs/aimsupport/entry/ibm_http_server_maintenance_mode?lang=en
APACHE 2.4 AND NEWER NON-WWW => WWW: RewriteEngine On RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteRule ^ %{REQUEST_SCHEME}://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L] WWW => NON-WWW: RewriteEngine On RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC] RewriteRule ^ %{REQUEST_SCHEME}://%1%{REQUEST_URI} [R=301,L] APACHE 2.2 AND NEWER NON-WWW => WWW: RewriteEngine On RewriteCond %{HTTPS} off RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteRule ^ http://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L] RewriteCond %{HTTPS} on RewriteCond %{HTTP_HOST}…