Webmaster in a Nutshell, 3rd Edition By Robert Eckstein, Stephen Spainhour
Table of Contents
Chapter 18. Apache Configuration
IdentityCheck
IdentityCheck onoff
[ server config , within <VirtualHost> or <Directory>]
Specifies whether the server should attempt to learn the user identity for each request by querying an identd process running on the user's machine. By default, identity checking is off.
