IIS X-Forward-For ISAPI Filter
A recent customer issue came up where they were load balancing servers but we unable to get the true client address logged in their IIS logs. They had their servers fronted by a BIG-IP and wh...
Published Sep 23, 2005
Version 1.0
Thanks for the tip Eddie. That header should be available to any web apps that have access to the HTTP request headers. IIS likes to prefix "HTTP_" ahead of all the HTTP header names to distinguish them from the ones that it inserts. For Apache, you'll like just access the "X-Forwarded-For" header directly.
-Joe