WAF - Client IP in REMOTE_ADDR http header

Unanswered Question
Mar 12th, 2009
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We have a pair of Cisco's AXG web application firewalls that protect our internet-facing servers in a reverse-proxy fashion.

One problem we have is the servers can only see the WAF's IP's instead of the end users'.

Cisco TAC & SE's have confirmed there's no way around that until the next code release, which is targeted at Q1 2010.

There's an option to include the end users' IP's in the X_FORWARDED_FOR header within WAF.

However, we need to find a way to copy that IP from the XFF header into the REMOTE_ADDR header.

If anyone knows how that can be done, please let me know.


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