Not able to get x-forwarded-for header from mozilla to API gateway

Hi ,

i am using kong version 1.4.0. i had set up Apllication load balancer infornt of API gateway. when i access kong API gateway from mozilla with loadbalancer, i am not able to receive x-forwarded-for header.It works fine with chrome, safari & Edge.

i am using below function to receive headers
local get_headers = ngx.req.get_headers

Please help me to resolve this

Please read https://github.com/Kong/kubernetes-ingress-controller/blob/master/docs/guides/preserve-client-ip.md