I ran duplicator in front of varnish etc. but I can't seem to get the actual IP or the x-forwarded-for IPs.

[unisqu]

I ran duplicator in front of varnish etc. but I can't seem to get the actual IP or the x-forwarded-for IPs.
can you please guide me on how I can forward the actual IPs to varnish / haproxy / nginx? I'm forwarding the request but the IP will show it comes from the server instead of from the client.