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The system must display a publicly-viewable pattern during a graphical desktop environment session lock.


Overview

Finding ID Version Rule ID IA Controls Severity
V-38639 RHEL-06-000260 SV-50440r1_rule Low
Description
Setting the screensaver mode to blank-only conceals the contents of the display from passersby.
STIG Date
Red Hat Enterprise Linux 6 Security Technical Implementation Guide 2013-06-03

Details

Check Text ( C-46199r1_chk )
To ensure the screensaver is configured to be blank, run the following command:

$ gconftool-2 -g /apps/gnome-screensaver/mode

If properly configured, the output should be "blank-only"
If it is not, this is a finding.
Fix Text (F-43588r1_fix)
Run the following command to set the screensaver mode in the GNOME desktop to a blank screen:

# gconftool-2
--direct \
--config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory \
--type string \
--set /apps/gnome-screensaver/mode blank-only