Client Closed request關於「upstream timed out 110: connection timed out while reading response header from upstream」標籤，搜尋引擎有相關的訊息討論：
NGINX: upstream timed out (110: Connection timed out) while ...stackoverflow.com › questions › nginx-upstream-timed-ou...Working with error output "(110: Connection timed out) while reading ...my.f5.com › manage › articleConnection timed out) while reading response header from