[TYPO3-core] RFC: Fix bug #7397: Proxy servers replace REMOTE_ADDR with their own IP

[Martin Kutschker]

Steffen Kamper schrieb:
> Hi Michael,
> 
> good one. But it's no information you can trust on, there are 3 
> possibilities depending on proxy configuration:
> HTTP_X_FORWARDED_FOR = empty
> HTTP_X_FORWARDED_FOR  = IP of proxy
> HTTP_X_FORWARDED_FOR = your IP

Which proxy sets it's *own* IP in HTTP_X_FORWARDED_FOR? Should be in VIA 
(or something of the likes).

Masi