AC-4(32) Process Requirements for Information Transfer
Control enhancement of AC-4 Information Flow Enforcement
Control
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.
Discussion
The processes transferring information between filter pipelines have minimum complexity and functionality to provide assurance that the processes operate correctly.
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