The RHEL 8 SSH daemon must not allow authentication using known host’s authentication.
An XCCDF Rule
Description
<VulnDiscussion>Configuring this setting for the SSH daemon provides additional assurance that remote logon via SSH will require a password, even in the event of misconfiguration elsewhere.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-230290r1017100_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the SSH daemon to not allow authentication using known host’s authentication.
Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":
IgnoreUserKnownHosts yes