• Requirement

    When transferring information between different security domains, implement content filtering solutions that provide redundant and independent filtering mechanisms for each data type.

  • Discussion

    Content filtering is the process of inspecting information as it traverses a cross-domain solution and determines if the information meets a predefined policy. Redundant and independent content filtering eliminates a single point of failure filtering system. Independence is defined as the implementation of a content filter that uses a different code base and supporting libraries (e.g., two JPEG filters using different vendors' JPEG libraries) and multiple, independent system processes.

More Info

  • Title

    Information Flow Enforcement | Redundant/independent Filtering Mechanisms
  • Family

    Access Control
  • NIST 800-53B Baseline(s)

    • Related NIST 800-53 ID

    NIST 800-53A Assessment Guidance

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