The TOSS SSH daemon must not allow Kerberos authentication, except to fulfill documented and validated mission requirements.
An XCCDF Rule
Description
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.
- ID
- SV-252944r991589_rule
- Version
- TOSS-04-010420
- Severity
- Medium
- References
- Updated
Remediation Templates
A 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