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The SSH daemon must be configured to use only the SSHv2 protocol.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63191 | ESXI-06-000011 | SV-77681r1_rule | High |
| Description |
|---|
| SSH protocol version 1 suffers from design flaws that result in security vulnerabilities and should not be used. |
| STIG | Date |
|---|---|
| VMware vSphere ESXi 6.0 Security Technical Implementation Guide | 2017-07-11 |
Details
| Check Text ( C-63925r1_chk ) |
|---|
| To verify which SSH protocol version is configured, run the following command: # grep -i "^Protocol" /etc/ssh/sshd_config If there is no output or the output is not exactly "Protocol 2", this is a finding. |
| Fix Text (F-69109r1_fix) |
|---|
| Only SSH protocol version 2 connections should be permitted. Add or correct the following line in "/etc/ssh/sshd_config": Protocol 2 |