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The SUSE operating system must not allow automatic logon via SSH.


Overview

Finding ID Version Rule ID IA Controls Severity
V-217268 SLES-12-030150 SV-217268r603262_rule High
Description
Failure to restrict system access via SSH to authenticated users negatively impacts SUSE operating system security.
STIG Date
SLES 12 Security Technical Implementation Guide 2021-03-04

Details

Check Text ( C-18496r369960_chk )
Verify the SUSE operating system disables automatic logon via SSH.

Check that automatic logon via SSH is disabled with the following command:

# sudo grep -i "permitemptypasswords" /etc/ssh/sshd_config

PermitEmptyPasswords no

If "PermitEmptyPasswords" is not set to "no", is missing completely, or is commented out, this is a finding.
Fix Text (F-18494r369961_fix)
Configure the SUSE operating system disables automatic logon via SSH.

Add or edit the following line in the "/etc/ssh/sshd_config" file:

PermitEmptyPasswords no