關於「Nginx ELB 499」標籤，搜尋引擎有相關的訊息討論：

Possible reason for NGINX 499 error codes - Stack Overflowstackoverflow.com › questions › possible-reason-for-nginx...AWS – Nginx returns 499 response errors when using downstream ...tynesidedesign.wordpress.com › 2018/09/19 › aws-nginx-r...Troubleshoot failing health checks fo