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The system must allow locking of the console screen in text mode.


Finding ID Version Rule ID IA Controls Severity
V-38590 RHEL-06-000071 SV-50391r1_rule Low
Installing "screen" ensures a console locking capability is available for users who may need to suspend console logins.
Red Hat Enterprise Linux 6 Security Technical Implementation Guide 2015-05-26


Check Text ( C-46148r1_chk )
Run the following command to determine if the "screen" package is installed:

# rpm -q screen

If the package is not installed, this is a finding.
Fix Text (F-43538r1_fix)
To enable console screen locking when in text mode, install the "screen" package:

# yum install screen

Instruct users to begin new terminal sessions with the following command:

$ screen

The console can now be locked with the following key combination:

ctrl+a x