GEN005512 - The SSH client must be configured to only use Message Authentication Codes (MACs) employing FIPS 140-2 approved cryptographic hash algorithms.

Information

DoD information systems are required to use FIPS 140-2 approved cryptographic hash functions.

Satisfies: SRG-OS-000250, SRG-OS-000495, SRG-OS-000500

Solution

Edit the SSH client configuration and remove any MACs that are not hmac-sha1 or a better hmac algorithm that is on the FIPS 140-2 approved list. If necessary, add a MACs line.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_SOL_10_x86_V2R2_STIG.zip

Item Details

Category: ACCESS CONTROL

References: 800-53|AC-17(2), CAT|II, CCI|CCI-001453, Rule-ID|SV-227898r603266_rule, STIG-ID|GEN005512, STIG-Legacy|SV-26756, STIG-Legacy|V-22463, Vuln-ID|V-227898

Plugin: Unix

Control ID: cda6c89f1598cba01c3b1ed9fe11f19d6fbae016d04cdd01f97956c98c3e8140