Details

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

Solution

Only SSH protocol version 2 connections should be permitted.

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

Protocol 2

Supportive Information

The following resource is also helpful.

• http://iasecontent.disa.mil/stigs/zip/U_VMware_vSphere_6-0_ESXi_V1R5_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Access Control.This control applies to the following type of system Unix.

References

• 800-53|AC-17(2)
• CAT|I
• CCI|CCI-000068
• Group-ID|V-63191
• Rule-ID|SV-77681r1_rule
• STIG-ID|ESXI-06-000011
• Vuln-ID|V-63191

Source

• Tenable.com/audits