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Assessment Title
Rule Text
Access control lists between the test and development environment and DoD operational networks must be in a deny-by-default posture.
Description
Discussion Text
To prevent malicious or accidental leakage of traffic between test and development environments and operational networks, organizations must implement a deny-by-default security posture. Perimeter routers, boundary controllers, or firewalls must deny incoming and outgoing traffic not expressly permitted. Such rule sets prevent many malicious exploits or accidental leakage by regulating the ports, protocols, or services necessary to the enclave.
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