Ubuntu 22.04 LTS must automatically exit interactive command shell user sessions after 15 minutes of inactivity.

An XCCDF Rule

Description

Terminating an idle interactive command shell user session within a short time period reduces the window of opportunity for unauthorized personnel to take control of it when left unattended in a virtual terminal or physical console.

ID: SV-260554r958636_rule
Version: UBTU-22-412030
Severity: Medium
References: CCI-002361
Updated: about 2 months ago

Remediation Templates

Configure Ubuntu 22.04 LTS to exit interactive command shell user sessions after 15 minutes of inactivity. 
 
Create and/or append a custom file under "/etc/profile.d/" by using the following command: 
 
     $ sudo su -c "echo TMOUT=900 >> /etc/profile.d/99-terminal_tmout.sh" 
  This will set a timeout value of 15 minutes for all future sessions.  
  
To set the timeout for the current sessions, execute the following command over the terminal session:  
  
     $ export TMOUT=900

Ubuntu 22.04 LTS must automatically exit interactive command shell user sessions after 15 minutes of inactivity.

Description

Remediation Templates

A Manual Procedure