The ESXi host SSH daemon must be configured to only use FIPS 140-2 validated ciphers.
An XCCDF Rule
Description
Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. ESXi must implement cryptographic modules adhering to the higher standards approved by the federal government because this provides assurance they have been tested and validated.
- ID
- SV-256449r959006_rule
- Version
- ESXI-70-000274
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
From an ESXi shell, add or correct the following line in "/etc/ssh/sshd_config":
Ciphers aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr