STIGQter: STIG Summary: Firewall Security Requirements Guide Version: 3 Release: 4 Benchmark Date: 01 Jul 2026:

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

DISA Rule

SV-263648r1137687_rule

Vulnerability Number

V-263648

Group Title

SRG-NET-000715

Rule Version

SRG-NET-000715-FW-000120

Severity

CAT II

CCI(s)

• CCI-004891 - Implement physically or logically separate subnetworks to isolate organization-defined critical system components and functions.

Weight

10

Fix Recommendation

Configure the firewall to implement physically or logically separate subnetworks to isolate organization-defined critical system components and functions.

Check Contents

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.

Vulnerability Number

V-263648

Documentable

False

Rule Version

SRG-NET-000715-FW-000120

Severity Override Guidance

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.

Check Content Reference

M

Target Key

2912