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The firewall must be configured to implement physically or logically separate subnetworks to isolate organization-defined critical system components and functions.


Overview

Finding ID Version Rule ID IA Controls Severity
V-263648 SRG-NET-000715-FW-000120 SV-263648r982549_rule Medium
Description
Separating critical system components and functions from other noncritical system components and functions through separate subnetworks may be necessary to reduce susceptibility to a catastrophic or debilitating breach or compromise that results in system failure. For example, physically separating the command and control function from the in-flight entertainment function through separate subnetworks in a commercial aircraft provides an increased level of assurance in the trustworthiness of critical system functions.
STIG Date
Firewall Security Requirements Guide 2024-05-28

Details

Check Text ( C-67548r982548_chk )
Verify the firewall is configured to implement physically or logically separate subnetworks to isolate organization-defined critical system components and functions.

If the firewall is not configured to implement physically or logically separate subnetworks to isolate organization-defined critical system components and functions, this is a finding.
Fix Text (F-67456r982106_fix)
Configure the firewall to implement physically or logically separate subnetworks to isolate organization-defined critical system components and functions.