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The VMM must automatically terminate a user session after inactivity timeouts have expired or at shutdown by setting an idle timeout.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63773 | ESXI-06-100041 | SV-78263r1_rule | Medium |
| Description |
|---|
| If a user forgets to log out of their SSH session, the idle connection will remains open indefinitely, increasing the potential for someone to gain privileged access to the host. The ESXiShellInteractiveTimeOut allows you to automatically terminate idle shell sessions. |
| STIG | Date |
|---|---|
| VMware vSphere ESXi 6.0 Security Technical Implementation Guide | 2016-06-07 |
Details
| Check Text ( C-64523r1_chk ) |
|---|
| From the vSphere Client select the ESXi Host and go to Configuration >> Advanced Settings. Select the UserVars.ESXiShellInteractiveTimeOut value and verify it is set to 600 (10 Minutes). or From a PowerCLI command prompt while connected to the ESXi host run the following command: Get-VMHost | Get-AdvancedSetting -Name UserVars.ESXiShellInteractiveTimeOut If the UserVars.ESXiShellInteractiveTimeOut setting is not set to 600, this is a finding. |
| Fix Text (F-69701r1_fix) |
|---|
| From the vSphere Client select the ESXi Host and go to Configuration >> Advanced Settings. Select the UserVars.ESXiShellInteractiveTimeOut value and configure it to 600. or From a PowerCLI command prompt while connected to the ESXi host run the following commands: Get-VMHost | Get-AdvancedSetting -Name UserVars.ESXiShellInteractiveTimeOut | Set-AdvancedSetting -Value 600 |