You are looking at the documentation for the 1.3 version of the Apache HTTP Server, which is no longer maintained, and has been declared "end of life". If you are in fact still using the 1.3 version, please consider upgrading. The current version of the server is 2.4.
This module is obsolete. As of version 1.2 of Apache, it has been replaced with mod_usertrack.
This module is contained in the mod_cookies.c
file, and is not compiled in by default. It provides for
Netscape(TM) cookies. There is no documentation available for
this module.
In current versions of the server, you can log cookies with mod_log_config
The CookieLog directive sets the filename for logging of cookies. The filename is relative to the ServerRoot.