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XCCDF
Guide to the Secure Configuration of Red Hat Enterprise Linux 7
System Settings
Account and Access Control
Protect Physical Console Access
Require Authentication for Single User Mode
Require Authentication for Single User Mode
An XCCDF Rule
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Require Authentication for Single User Mode
Medium Severity
Single-user mode is intended as a system recovery method, providing a single user root access to the system by providing a boot option at startup.
By default, single-user mode is protected by requiring a password and is set in
/usr/lib/systemd/system/rescue.service
.