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← Back to SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

V-778

CAT II (Medium)

The system must prevent the root account from directly logging in except from the system console.

Rule ID

SV-44913r1_rule

STIG

SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

Version

V1R12

CCIs

CCI-000770

Discussion

Limiting the root account direct logins to only system consoles protects the root account from direct unauthorized access from a non-console device.

Check Content

Check /etc/securetty
# more /etc/securetty
If the file does not exist, or contains more than "console" or a single "tty" device this is a finding.

Fix Text

Create if needed and set the contents of /etc/securetty to a "console" or "tty" device.
# echo console > /etc/securetty
or
# echo ttyS0 > /etc/securetty