Most RecentMost ViewedMost LikesHow to log client IP when IIS is load balanced: the X-Forwarded-For Header (XFF) First published on MSDN on Sep 05, 2018 X-Forwarded-For Header (XFF) is essential whenever we have a Proxy or LoadBalancer between client browser and IIS. ARR Health Check sends too many requests too soon defying the configured intervalFirst published on MSDN on May 02, 2017 This is an interesting one, so wanted to blog on this.