The Photon operating system must configure Secure Shell (SSH) to restrict LoginGraceTime.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-258884 | PHTN-40-000221 | SV-258884r991589_rule | Medium |
| Description |
| By default, SSH unauthenticated connections are left open for two minutes before being closed. This setting is too permissive as no legitimate login would need such an amount of time to complete a login. Quickly terminating idle or incomplete login attempts will free up resources and reduce the exposure any partial logon attempts may create. |
| STIG | Date |
| VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide | 2024-07-11 |
Details
| Check Text (C-62624r933711_chk) |
| At the command line, run the following command to verify the running configuration of sshd: # sshd -T|&grep -i LoginGraceTime Example result: logingracetime 30 If "LoginGraceTime" is not set to "30", this is a finding. |
| Fix Text (F-62533r933712_fix) |
| Navigate to and open: /etc/ssh/sshd_config Ensure the "LoginGraceTime" line is uncommented and set to the following: LoginGraceTime 30 At the command line, run the following command: # systemctl restart sshd.service |