RHEL 9 SSH daemon must not allow known hosts authentication.
An XCCDF Rule
Description
Configuring the IgnoreUserKnownHosts setting for the SSH daemon provides additional assurance that remote login via SSH will require a password, even in the event of misconfiguration elsewhere.
- ID
- SV-258006r1045071_rule
- Version
- RHEL-09-255150
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the SSH daemon to not allow known hosts authentication.
Add the following line to "/etc/ssh/sshd_config" or to a file in "/etc/ssh/sshd_config.d", or uncomment the line and set the value to "yes":
IgnoreUserKnownHosts yes