The F5 BIG-IP appliance must be configured to use cryptographic algorithms approved by NSA to protect NSS for remote access to a classified network.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
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high | V-266170 | SRG-NET-000510-ALG-000111 | F5BI-AP-300159 | SV-266170r1024402_rule | 2024-09-20 | 1 |
Description |
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Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The VPN gateway must implement cryptographic modules adhering to the higher standards approved by the Federal Government since this provides assurance they have been tested and validated. NIST cryptographic algorithms are approved by NSA to protect NSS. Based on an analysis of the impact of quantum computing, cryptographic algorithms specified by CNSSP-15 and approved for use in products in the CSfC program have been changed to more stringent protocols and configured with increased bit sizes and other secure characteristics to protect against quantum computing threats. The Commercial National Security Algorithm Suite (CNSA Suite) replaces Suite B. |
ℹ️ Check |
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From the BIG-IP GUI: 1. Local Traffic. 2. Profiles. 3. SSL. 4. Client. 5. Click the name of the SSL Profile. 6. For "Ciphers", ensure only AES-256 or other cryptographic algorithms approved by NSA to protect NSS for remote access to a classified network are configured in compliance with CSNA/CNSSP-15. If the BIG-IP appliance is not configured to use cryptographic algorithms approved by NSA to protect NSS for remote access to a classified network, this is a finding. |
✔️ Fix |
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From the BIG-IP GUI: 1. Local Traffic. 2. Profiles. 3. SSL. 4. Client. 5. Click the name of the SSL Profile. 6. For "Ciphers", configure only AES-256 or other cryptographic algorithms approved by NSA to protect NSS for remote access to a classified network in compliance with CSNA/CNSSP-15. 7. Click "Update". |