The Photon operating system must configure sshd to disconnect idle Secure Shell (SSH) sessions.
An XCCDF Rule
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 a console or console port that has been left unattended.
- ID
- SV-256514r970703_rule
- Version
- PHTN-30-000038
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Navigate to and open:
/etc/ssh/sshd_config
Ensure the "ClientAliveCountMax" line is uncommented and set to the following: