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The Photon operating system must configure Secure Shell (SSH) to disallow HostbasedAuthentication.


Finding ID Version Rule ID IA Controls Severity
V-258857 PHTN-40-000188 SV-258857r933632_rule High
SSH trust relationships enable trivial lateral spread after a host compromise and therefore must be explicitly disabled.
VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide 2023-10-29


Check Text ( C-62597r933630_chk )
At the command line, run the following command to verify the running configuration of sshd:

# sshd -T|&grep -i HostbasedAuthentication

Example result:

hostbasedauthentication no

If "HostbasedAuthentication" is not set to "no", this is a finding.
Fix Text (F-62506r933631_fix)
Navigate to and open:


Ensure the "HostbasedAuthentication" line is uncommented and set to the following:

HostbasedAuthentication no

At the command line, run the following command:

# systemctl restart sshd.service