ESXI-06-000011 - The SSH daemon must be configured to use only the SSHv2 protocol.

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Information

SSH protocol version 1 suffers from design flaws that result in security vulnerabilities and should not be used.

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

Solution

Only SSH protocol version 2 connections should be permitted.

Add or correct the following line in '/etc/ssh/sshd_config':

Protocol 2

See Also

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