The X-Forwarded-For Header is a request type header and is a standard version of the Forwarded header which is used when a client connects to a web server through an HTTP proxy or load balancer for identifying the original IP address.If this header is forwarded by the load balancer and when the PCS receives the authentication traffic from a load-balancer, it registers the load balancer IP Address in the User Access Logs along with the User's actual IP Address.
Info AUT24326 2022-08-24 18:36:07 - Node1 - [10.20.X.X] Default Network::username(Users)[][] - Primary authentication successful for username/Auth-Local from 10.20.X.X forwarded for 172.20.X.X.
172.20.X.X is the User's actual IP Address. 
