Using "X-Forwarded-For" in Apache or PHP
An issue that often comes up for users of any full proxy-based product is that the original client IP address is often lost to the application or web server. This is because in a full proxy system th...
Published Jun 02, 2008
Version 1.0
Lori_MacVittie
Employee
EmployeeLori_MacVittieEmployee
Employee
You should only be seeing one IP in the logs. If you're seeing two it's likely because you have a header being inserted with the original address that apache is pulling out and logging, but you're still logging the actual source from the proxy as well. Have you checked your conf settings?
From what I've seen, BIG-IP doesn't pass two addresses. ;)
Colin