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The SSH daemon must be configured to only use Message Authentication Codes (MACs) employing FIPS 140-2 approved cryptographic hash algorithms.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63203 | ESXI-06-000017 | SV-77693r1_rule | Medium |
| Description |
|---|
| DoD information systems are required to use FIPS 140-2 approved cryptographic hash functions. Note: This does not imply FIPS 140-2 certification. |
| STIG | Date |
|---|---|
| VMware vSphere ESXi 6.0 Security Technical Implementation Guide | 2017-07-11 |
Details
| Check Text ( C-63937r1_chk ) |
|---|
| To verify the MACs setting, run the following command: # grep -i "^MACs" /etc/ssh/sshd_config If there is no output or the output is not exactly "MACs hmac-sha1,hmac-sha2-256,hmac-sha2-512", this is a finding. |
| Fix Text (F-69121r1_fix) |
|---|
| To set the MACs setting, add or correct the following line in "/etc/ssh/sshd_config": MACs hmac-sha1,hmac-sha2-256,hmac-sha2-512 |