特定のIP以外にメンテナンスページを表示
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]