PHTN-30-000037 - The Photon operating system must configure sshd to disconnect idle Secure Shell (SSH) sessions.

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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.


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Ensure the 'ClientAliveInterval' line is uncommented and set to the following:

ClientAliveInterval 900

At the command line, run the following command:

# systemctl restart sshd.service

See Also

Item Details

References: CAT|II, CCI|CCI-001133, Rule-ID|SV-256513r887213_rule, STIG-ID|PHTN-30-000037, Vuln-ID|V-256513

Plugin: Unix

Control ID: 1d15cc9b140875981a4b40c917708292e932211e9265e46e0662d4accc55a05d