WordPress 网站多刷新几次就出现了502 Bad Gateway报错


OpenReasty 版本:1.21.4.3-2-1-focal
Php 版本 5.6.40
MySql 版本 5.6.51
WordPress:6.2.5

错误日志:
2024/05/14 14:02:41 [error] 43#43: *50710 upstream prematurely closed connection while reading response header from upstream, client: 104.192.225.10, server: www.xxx.com, request: “GET / HTTP/2.0”, upstream: “fastcgi://127.0.0.1:9000”, host: “www.xxx.com

是不是被 WAF 拦截了?

WAF 关闭了,刷新几次网页还是出现 502 Bad Gateway错误