Detections
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1.191 SLES-15-040230

Information

The SUSE operating system SSH daemon must be configured to not allow authentication using known hosts authentication.

GROUP ID: V-235007
RULE ID: SV-235007r991589

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.

Solution

Configure the SUSE operating system SSH daemon to not allow authentication using "known hosts" authentication.

Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":

IgnoreUserKnownHosts yes

See Also

https://workbench.cisecurity.org/benchmarks/23779

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-235007r991589_rule, STIG-ID|SLES-15-040230, Vuln-ID|V-235007

Plugin: Unix

Control ID: 1d4c7d82d540aef494292d3ebee4e4d05794b01bf90d0558db1470209828b95f