That's because it's a security risk to allow unknown CGI and ISAPI extensions. You do not need to allow such extensions to run FoxWeb. You should specifically allow foxweb.exe and foxweb.dll instead. This is automatically configured for you by the FoxWeb setup program.
FoxWeb Support Team
Sent by steve ward on 01/24/2012 08:28:51 PM:
IIS under web service extensions I have blue exclamation mark for all unknown CGI extensions and under all unknow ISAPI extensions