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The SSH client must be configured to only use FIPS 140-2 approved ciphers.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| GEN005510-ESXI5-700 | GEN005510-ESXI5-700 | GEN005510-ESXI5-700_rule | Medium |
| Description |
|---|
| DoD information systems are required to use FIPS 140-2 approved ciphers. SSHv2 ciphers meeting this requirement are 3DES and AES. |
| STIG | Date |
|---|---|
| VMware ESXi v5 Security Technical Implementation Guide | 2013-01-15 |
Details
| Check Text ( C-GEN005510-ESXI5-700_chk ) |
|---|
| Disable lock down mode. Enable the ESXi Shell. Check the SSH daemon configuration for allowed ciphers. # grep -i ciphers /etc/ssh/ssh_config | grep -v '^#' Re-enable lock down mode. If no lines are returned, or the returned ciphers list contains any cipher not starting with 3des or aes, this is a finding. |
| Fix Text (F-GEN005510-ESXI5-700_fix) |
|---|
| Disable lock down mode. Enable the ESXi Shell. Edit the SSH daemon configuration and add/modify the "Ciphers" configuration. # vi /etc/ssh/ssh_config Re-enable lock down mode. |