I have problem with real ip with cloudflare

[jonatito]

Dear,
how are you?

I have problem with real ip with cloudflare,

cloudflare suggest this to me.

https://support.cloudflare.com/hc/es-es/articles/360029696071-C%C3%B3mo-restaurar-las-IP-originales-del-visitante-Opci%C3%B3n-2-C%C3%B3mo-instalar-mod-remoteip-con-Apache

but I don't know how I can do with my centos7 cwp
Nginx & Varnish & Apache
Thank you

[Igor S.]

Try to check rpaf.conf in Apache's configuration