The graphical desktop environment must automatically lock after 15 minutes of inactivity and the system must require user to re-authenticate to unlock the environment.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-38630	RHEL-06-000258	SV-50431r2_rule		Medium

Description
Enabling idle activation of the screen saver ensures the screensaver will be activated after the idle delay. Applications requiring continuous, real-time screen display (such as network management products) require the login session does not have administrator rights and the display station is located in a controlled-access area.

STIG	Date
Red Hat Enterprise Linux 6 Security Technical Implementation Guide	2014-06-11

Details

Check Text ( C-46189r2_chk )
To check the screensaver mandatory use status, run the following command: $ gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --get /apps/gnome-screensaver/idle_activation_enabled If properly configured, the output should be "true". If it is not, this is a finding.

Fix Text (F-43579r1_fix)
Run the following command to activate the screensaver in the GNOME desktop after a period of inactivity: # gconftool-2 --direct \ --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory \ --type bool \ --set /apps/gnome-screensaver/idle_activation_enabled true