Details

This ensures a user login will be terminated as soon as the ‘ClientAliveCountMax’ is reached.

Solution

From an SSH session connected to the ESXi host, or from the ESXi shell, add or correct the following line in ‘/etc/ssh/sshd_config’:

ClientAliveCountMax 3

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMW_vSphere_6-5_Y21M10_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-6b.
• CAT|III
• CCI|CCI-000366
• Rule-ID|SV-207627r388482_rule
• STIG-ID|ESXI-65-000026
• STIG-Legacy|SV-104085
• STIG-Legacy|V-93999
• Vuln-ID|V-207627

Source

• Tenable.com/audits