The ESXi host SSH daemon must set a timeout interval on idle sessions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-239282 | ESXI-67-000027 | SV-239282r674775_rule | Low |
| Description |
|---|
| Automatically logging out idle users guards against compromises via hijacked administrative sessions. |
| STIG | Date |
|---|---|
| VMware vSphere 6.7 ESXi Security Technical Implementation Guide | 2022-01-05 |
Details
| Check Text ( C-42515r674773_chk ) |
|---|
| From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command: # grep -i "^ClientAliveInterval" /etc/ssh/sshd_config If there is no output or the output is not exactly "ClientAliveInterval 200", this is a finding. |
| Fix Text (F-42474r674774_fix) |
|---|
| 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 |