Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
The Photon operating system must configure sshd to disconnect idle SSH sessions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-239111 | PHTN-67-000039 | SV-239111r675141_rule | Medium |
| Description |
|---|
| Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended. |
| STIG | Date |
|---|---|
| VMware vSphere 6.7 Photon OS Security Technical Implementation Guide | 2021-04-15 |
Details
| Check Text ( C-42322r675139_chk ) |
|---|
| At the command line, execute the following command: # sshd -T|&grep -i ClientAliveCountMax Expected result: ClientAliveCountMax 0 If the output does not match the expected result, this is a finding. |
| Fix Text (F-42281r675140_fix) |
|---|
| Open /etc/ssh/sshd_config with a text editor. Ensure that the "ClientAliveCountMax" line is uncommented and set to the following: ClientAliveCountMax 0 At the command line, execute the following command: # service sshd reload |