failed (13: Permission denied) while connecting to upstream

2019/11/21 09:42:14 [crit] 23205#0: *16 connect() to 127.0.0.1:9869 failed (13: Permission denied) while connecting to upstream, client: 157.7.180.126, server: one.kumolabo.com, request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:9869/", host: "hoge.hogehoge.com"

SELinuxが有効になってた。

# getenforce 
Enforcing

SELinuxを無効にしたら表示できた。

# setenforce 0
# sed -i 's/^SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config