The TOSS SSH daemon must not allow Kerberos authentication, except to fulfill documented and validated mission requirements.
An XCCDF Rule
Description
<VulnDiscussion>Configuring these settings for the SSH daemon provides additional assurance that remote logon via SSH will not use unused methods of authentication, 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-252944r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the SSH daemon to not allow Kerberos authentication.
Add the following line in "/etc/ssh/sshd_config" or uncomment the line and set the value to "no":
KerberosAuthentication no