Here is the issue.
I need a solution that allows us to pass client, originating (browser) ip address while giving us the ability to set and change the referrer.
Example
A.
Internet Traffic (ip: keep this ip address)
Example of output: 101.101.101 Ref joe.com
To
B.
Our server for tracking and redirection (this is where we need to change referrer)
Example of output: 101.101.101 Ref us.com
To
C.
Client tracking and reporting.
Example of output: 101.101.101 Ref us.com
***Note, php curl seems to not work as it picks up server ip in B