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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 |
|---|---|---|---|---|
| V-22461 | GEN005510 M6 | SV-39371r1_rule | DCNR-1 | 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 |
|---|---|
| MAC OSX 10.6 Workstation Security Technical Implementation Guide | 2013-04-09 |
Details
| Check Text ( C-38317r1_chk ) |
|---|
| Open a terminal session and enter the following command. grep -i ciphers /etc/ssh_config | grep -v '^#' 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-33606r1_fix) |
|---|
| Open a terminal session and edit the SSH client configuration file "/etc/ssh_config" and remove any ciphers not starting with "3DES" or "AES". |