Click Modify on the relevant Virtual Service. You can go ahead and apply those directly instead of manually adding it for each request. insert-http X-Forwarded-Proto header-value "%is" insert-http X-Forwarded-Port header-value "%is" insert-http X-Forwarded-For header-value "%is" leave Source Type set to 'Request Header'. A standardized version of this header is the HTTP Forwarded header. I don't think anyone finds what I'm working on interesting. server effectively removes all headers such as Server, X-Powered-by, Via, etc., https://support.f5.com/csp/article/K4816 Hope it solves your problem. I will try to show why we should not blindly trust the values coming from this header. string realClientIP = GetHeaderValueAs("X-Forwarded-For"); -->127.31.31.78 (Expected other machine IP) So I am able to get the proper client IP in this scenario while reading X-Forwarded-For header but still getting default IP(127.0.0.1) for RemoteIPAddress. Source name: X-Forwarded-For (syntax important) Click OK twice. Creation, Service String ip = request.getHeader("X-Forwarded-For"); //return null. By clicking Sign up for GitHub, you agree to our terms of service and 'X-Forwarded-For: %E2%82%AC%E2%82%AC%E2%82%AC%E2 ', "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"", 'X-Forwarded-For: