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Back to Red Hat Enterprise Linux 7 Security Technical Implementation Guide
Severity: High
<VulnDiscussion>Failure to restrict system access to authenticated users negatively impacts operating system security.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
Verify the operating system does not allow an unrestricted logon to the system via a graphical user interface. Note: If the system does not have GNOME installed, this requirement is Not Applicable. Check for the value of the "TimedLoginEnable" parameter in "/etc/gdm/custom.conf" file with the following command: # grep -i timedloginenable /etc/gdm/custom.conf TimedLoginEnable=false If the value of "TimedLoginEnable" is not set to "false", this is a finding.
Configure the operating system to not allow an unrestricted account to log on to the system via a graphical user interface. Note: If the system does not have GNOME installed, this requirement is Not Applicable. Add or edit the line for the "TimedLoginEnable" parameter in the [daemon] section of the "/etc/gdm/custom.conf" file to "false": [daemon] TimedLoginEnable=false