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
If you are running on IIS7+ the I'd suggest you look at my native HTTP module.
 
 
devcentral.f5.com/.../...iis7-source-included.aspx 
 
Although, if you are stuck on ISAPI, I have tested the ISAPI Filter on 64-bit IIS7. Not sure why IIS7.5 wouldn't work. 
 
-Joe