關於「Apache subdomain」標籤，搜尋引擎有相關的訊息討論：

Subdomains Display The Wrong Content Using HTTPSstackoverflow.com › questions › subdomains-display-the-...How to implement subdomains for users in Apache - Server Faultserverfault.com › questions › how-to-implement-subdomai...Configuring a Subdomain in Apache2 - codeburstcodebu