AlmaLinux OS 9 must not allow unattended or automatic logon via the graphical user interface.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
---|---|---|---|---|---|---|
high | V-269216 | SRG-OS-000480-GPOS-00229 | ALMA-09-015420 | SV-269216r1050098_rule | 2025-02-20 | 1 |
Description |
---|
Failure to restrict system access to authenticated users negatively impacts operating system security. |
ℹ️ Check |
---|
Note: This requirement assumes the use of the AlmaLinux OS 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable. Verify AlmaLinux OS 9 does not allow an unattended or automatic logon to the system via a graphical user interface. Check for the value of the "AutomaticLoginEnable" in the "/etc/gdm/custom.conf" file with the following command: $ grep -i automaticlogin /etc/gdm/custom.conf [daemon] AutomaticLoginEnable=false If the value of "AutomaticLoginEnable" is not set to "false", this is a finding. |
✔️ Fix |
---|
Configure the GNOME desktop display manager to disable automatic login. Set AutomaticLoginEnable to false in the [daemon] section in /etc/gdm/custom.conf. For example: [daemon] AutomaticLoginEnable=false |