502 bad gateway nginx wordpress

9000 started When iptables is enabled, a static webpage can be opened. However, if you switch back to wordpress, 502 is returned. Check whether error-log is: 01:45:37 [error] 1745 #0: * 106 recv () failed (104: Connection reset by peer) while reading response header from upstream, client:, server: xiaobuxun. me, request: "POST/wp-admin/admin-ajax.php HTTP/1.1", upstream: "fastcgi: // 127.0.0.1: 9000",

Start the iptables website in the Centos + nginx + wordpress environment and return the 502 website environment: Centos nbsp; nginx nbsp; php (wordpress). The following is a summary of the current problems: 502 is returned when

502 problems encountered in the Nginx, you can give priority to follow the following two steps to resolve. 1, see the current number of PHP fastcgi process is sufficient: The code is as follows Copy Code Netstat-anpo | grep "php-cgi" | Wc-l If the actual number of "fastcgi processes" is close to the preset "fastcgi process", then the "fastcgi process count" is not suf