Title

The operating system must maintain the confidentiality of information during aggregation, packaging, and transformation in preparation for transmission. (Cat II impact)

Discussion

Ensuring that transmitted information remains confidential during aggregation, packaging, and transformation requires the operating system take feasible measures to employ transmission layer security. This requirement applies to communications across internal and external networks.

Check Content

All remote sessions must be conducted via encrypted services and ports. Ask the operator to document all configured external ports and protocols. If any unencrypted connections are used, this is a finding.

Fix Text

All remote sessions must be conducted via SSH and IPsec. Ensure that SSH and IPsec are the only protocols used.

Additional Identifiers

Rule ID: SV-220009r854567_rule

Vulnerability ID: V-220009

Group Title: SRG-OS-000425

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.