關於「Virtualhost without servername」標籤，搜尋引擎有相關的訊息討論：

Apache virtual host without domain name - Stack Overflowstackoverflow.com › questions › apache-virtual-host-witho...Name-based Virtual Host Support - Apache HTTP Server Version 2.4httpd.apache.org › ... › Version 2.4 › Virtual HostsVirtualHost Examples - Apache HTTP Server Vers