Details

Automatically logging out idle users guards against compromises via hijacked administrative sessions.

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’:

ClientAliveInterval 200

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMW_vSphere_6-7_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
• CSCv6|16.4
• Rule-ID|SV-239282r674775_rule
• STIG-ID|ESXI-67-000027
• STIG-Legacy|SV-104087
• STIG-Legacy|V-94001
• Vuln-ID|V-239282

Source

• Tenable.com/audits