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XCCDF
Guide to the Secure Configuration of Red Hat Enterprise Linux 8
System Settings
Account and Access Control
Protect Physical Console Access
Configure Screen Locking
Configure Console Screen Locking
Install the tmux Package
Install the tmux Package
An XCCDF Rule
Details
Profiles
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Install the tmux Package
Medium Severity
To enable console screen locking, install the
tmux
package. A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary nature of the absence. The session lock is implemented at the point where session activity can be determined. Rather than be forced to wait for a period of time to expire before the user session can be locked, Red Hat Enterprise Linux 8 needs to provide users with the ability to manually invoke a session lock so users can secure their session if it is necessary to temporarily vacate the immediate physical vicinity. Instruct users to begin new terminal sessions with the following command:
$ tmux
The console can now be locked with the following key combination:
ctrl+b :lock-session