The ESXi host SSH daemon must set a timeout count on idle sessions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-93999 | ESXI-65-000026 | SV-104085r1_rule | Low |
| Description |
|---|
| This ensures a user login will be terminated as soon as the "ClientAliveCountMax" is reached. |
| STIG | Date |
|---|---|
| VMware vSphere 6.5 ESXi Security Technical Implementation Guide | 2019-12-13 |
Details
| Check Text ( C-93317r1_chk ) |
|---|
| From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command: # grep -i "^ClientAliveCountMax" /etc/ssh/sshd_config If there is no output or the output is not exactly "ClientAliveCountMax 3", this is a finding. |
| Fix Text (F-100247r1_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": ClientAliveCountMax 3 |