The ESXi host must automatically stop shell services after 10 minutes.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-258756 | ESXI-80-000195 | SV-258756r933329_rule | Medium |
| Description |
|---|
| When the ESXi Shell or Secure Shell (SSH) services are enabled on a host, they will run indefinitely. To avoid having these services left running, set the "ESXiShellTimeOut". The "ESXiShellTimeOut" defines a window of time after which the ESXi Shell and SSH services will be stopped automatically. |
| STIG | Date |
|---|---|
| VMware vSphere 8.0 ESXi Security Technical Implementation Guide | 2023-10-11 |
Details
| Check Text ( C-62496r933327_chk ) |
|---|
| From the vSphere Client, go to Hosts and Clusters. Select the ESXi Host >> Configure >> System >> Advanced System Settings. Select the "UserVars.ESXiShellTimeOut" value and verify it is set to less than "600" and not "0". or From a PowerCLI command prompt while connected to the ESXi host, run the following command: Get-VMHost | Get-AdvancedSetting -Name UserVars.ESXiShellTimeOut If the "UserVars.ESXiShellTimeOut" setting is set to a value greater than "600" or "0", this is a finding. |
| Fix Text (F-62405r933328_fix) |
|---|
| From the vSphere Client, go to Hosts and Clusters. Select the ESXi Host >> Configure >> System >> Advanced System Settings. Click "Edit". Select the "UserVars.ESXiShellTimeOut" value and configure it to "600". or From a PowerCLI command prompt while connected to the ESXi host, run the following command: Get-VMHost | Get-AdvancedSetting -Name UserVars.ESXiShellTimeOut | Set-AdvancedSetting -Value 600 |