Common Controls Hub
The Photon operating system must configure Secure Shell (SSH) to limit the number of allowed login attempts per connection.
By setting the login attempt limit to a low value, an attacker will be forced to reconnect frequently, which severely limits the speed and effectiveness of brute-force attacks.
VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide
Check Text ( C-62622r933705_chk )
At the command line, run the following command to verify the running configuration of sshd:
# sshd -T|&grep -i MaxAuthTries
If "MaxAuthTries" is not set to "6", this is a finding.
Fix Text (F-62531r933706_fix)
Navigate to and open:
Ensure the "MaxAuthTries" line is uncommented and set to the following:
At the command line, run the following command:
# systemctl restart sshd.service