Kona Site Defender providing encryption intermediary services must implement NIST FIPS-validated cryptography for digital signatures.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-76429	SRG-NET-000510-ALG-000040	AKSD-WF-000023	SV-91125r1_rule	2017-09-15	1

Description
Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network element must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated. This requirement applies only to ALGs that provide encryption intermediary services (e.g., HTTPS, TLS, or DNSSEC).

Description

Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network element must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated. This requirement applies only to ALGs that provide encryption intermediary services (e.g., HTTPS, TLS, or DNSSEC).

ℹ️ Check
Confirm Kona Site Defender only allows NIST SP 800-52 TLS settings: 1. Navigate to the Qualys SSL Scanner: https://www.ssllabs.com/ssltest/analyze.html 2. Enter into the scanner the Hostname being tested. 3. Under the "Certificate" section, verify that the "Signature algorithm" is restricted to NIST FIPS-validated cryptography for digital signatures as defined at https://www.nist.gov/publications/guidelines-selection-configuration-and-use-transport-layer-security-tls-implementations?pub_id=915295. If the signature algorithm include non-NIST FIPS-validated cryptography, this is a finding.

ℹ️ Check

Confirm Kona Site Defender only allows NIST SP 800-52 TLS settings: 1. Navigate to the Qualys SSL Scanner: https://www.ssllabs.com/ssltest/analyze.html 2. Enter into the scanner the Hostname being tested. 3. Under the "Certificate" section, verify that the "Signature algorithm" is restricted to NIST FIPS-validated cryptography for digital signatures as defined at https://www.nist.gov/publications/guidelines-selection-configuration-and-use-transport-layer-security-tls-implementations?pub_id=915295. If the signature algorithm include non-NIST FIPS-validated cryptography, this is a finding.

✔️ Fix
Configure Kona Site Defender to only allow NIST FIPS-validated cryptography for digital signatures: Contact the Akamai Professional Services team to implement the changes at 1-877-4-AKATEC (1-877-425-2832).