ESXI-70-000015 - The ESXi host Secure Shell (SSH) daemon must not allow authentication using an empty password.

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Information

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

From an ESXi shell, add or correct the following line in '/etc/ssh/sshd_config':

PermitEmptyPasswords no

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMW_vSphere_7-0_Y25M01_STIG.zip