AC-4(32)
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Requirement
When transferring information between different security domains, the process that transfers information between filter pipelines:
- Does not filter message content;
- Validates filtering metadata;
- Ensures the content associated with the filtering metadata has successfully completed filtering; and
- Transfers the content to the destination filter pipeline.
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Discussion
The processes transferring information between filter pipelines have minimum complexity and functionality to provide assurance that the processes operate correctly.
NIST 800-53A Assessment Guidance
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