How can I prevent automounting of USB Storage devices on a system-wide basis in Red Hat Enterprise Linux 5?

Release Found: Red Hat Enterprise Linux 5

Red Hat Enterprise Linux utilizes the Hardware Abstraction Layer (HAL) for defining policies on how to locate and use hardware devices. This information is used by the GNOME and KDE Desktop Environments to determine which devices should be mounted automatically and presented to the currently logged-in user. However for security ...