How to forward client IP to back-end server using "x-forwarded-for" header on Citrix ADC
Article ID: CTX205455
Updated On:
Description
To forward Client IP to Back-End Server Using "x-forwarded-for" Header
Instructions
Here is the policy to be created:
add rewrite action xforward_act replace HTTP.REQ.HEADER("X-Forwarded-For") CLIENT.IP.SRC
add rewrite policy xforward_check_pol "HTTP.REQ.HEADER(\"X-Forwarded-For\").EXISTS" xforward_act
Bind the above policy to the appropriate vServer.
Issue/Introduction
This article describes how to forward the client IP to a back-end server using the "x-forwarded-for" header on NetScaler. This helps the back-end sever administrators to track logging.
Additional Information
NetScaler X-Forwarded-For Can Not Work: https://support.citrix.com/article/CTX231582
X-Forwarded-For Header Insert: https://support.citrix.com/article/CTX218061
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