Basic physical security policy for a building calls for eliminating all unnecessary doors and putting locks, guards, or cameras on the rest. For computers, network services are the doorways into a Windows 2000 system, so "eliminate all unnecessary services" is a time-honored commandment for protecting computers. Win2K comes with a lot of services enabled by default, many of which you don’t need. Even if the service doesn’t offer direct access to system resources, it might expose a sy...