.htaccess
RewriteEngine on RewriteCond %{REQUEST_URI} !^/maintenance/ RewriteCond %{REMOTE_ADDR} !^192\.128\.0\.13 RewriteRule ^.* /maintenance/index.html [NC,L]
RewriteEngine on RewriteCond %{REQUEST_URI} !^/maintenance/ RewriteCond %{REMOTE_ADDR} !^192\.128\.0\.13 RewriteRule ^.* /maintenance/index.html [NC,L]