Server Communication Security

V9.2.1

Verify that connections to and from the server use trusted TLS certificates. Where internally generated or self-signed certificates are used, the server must be configured to only trust specific internal CAs and specific self-signed certificates. All others should be rejected.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 295

V9.2.2

Verify that encrypted communications such as TLS is used for all inbound and outbound connections, including for management ports, monitoring, authentication, API, or web service calls, database, cloud, serverless, mainframe, external, and partner connections. The server must not fall back to insecure or unencrypted protocols.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 319

V9.2.3

Verify that all encrypted connections to external systems that involve sensitive information or functions are authenticated.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 287

V9.2.4

Verify that proper certification revocation, such as Online Certificate Status Protocol (OCSP) Stapling, is enabled and configured.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 299

V9.2.5

Verify that backend TLS connection failures are logged.

Level 1 required: False

Level 2 required: False

Level 3 required: True

CWE: 544

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