ESXI-06-000026 - The SSH daemon must set a timeout count on idle sessions.

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Information

This ensures a user login will be terminated as soon as the 'ClientAliveCountMax' is reached.

NOTE: Nessus has not performed this check. Please review the benchmark to ensure target compliance.

Solution

To set the ClientAliveCountMax setting, add or correct the following line in '/etc/ssh/sshd_config':

ClientAliveCountMax 3

See Also

http://iasecontent.disa.mil/stigs/zip/U_VMware_vSphere_6-0_ESXi_V1R4_STIG.zip