Virtualhost without servername關於「Apache Virtual host custom port」標籤，搜尋引擎有相關的訊息討論：
Apache Create virtual host listening on custom port #95 - YouTubewww.youtube.com › watchHow do I create Virtual Hosts for Different Ports on Apache? [closed]serverfault.com › questions › how-do-i-create-virtual-hosts...VirtualHost Examples - Apache HTTP Server Version 2.5httpd.