STIGQter: STIG Summary: Firewall Security Requirements Guide Version: 2 Release: 1 Benchmark Date: 22 Jan 2021:

The firewall must apply egress filters to traffic that is outbound from the network through any internal interface.

DISA Rule

SV-206704r604133_rule

Vulnerability Number

V-206704

Group Title

SRG-NET-000364

Rule Version

SRG-NET-000364-FW-000032

Severity

CAT II

CCI(s)

• CCI-002403 - The information system only allows incoming communications from organization-defined authorized sources routed to organization-defined authorized destinations.

Weight

10

Fix Recommendation

Configure a security policy to each outbound zone and/or interface to implement continuous filtering of outbound traffic.

Apply security policy zones/interfaces (including the management interface) through which outbound traffic flows to untrusted external networks or subnetworks.

Check Contents

Obtain and review the list of authorized sources and destinations. This is usually part of the System Design Specification, Accreditation or Authorization Package, ports, protocols, and services documentation, and Ports, Protocols, and Services Management (PPSM) database.

If the list of authorized sources and destinations is not available, this is a finding.

Review the firewall configuration for each of the configured outbound zones and interfaces.

Verify a security policy is applied to each outbound zone/interface, including the management interface.

If an egress filter is not configured for each active outbound zone or interface, this is a finding.

Vulnerability Number

V-206704

Documentable

False

Rule Version

SRG-NET-000364-FW-000032

Severity Override Guidance

Obtain and review the list of authorized sources and destinations. This is usually part of the System Design Specification, Accreditation or Authorization Package, ports, protocols, and services documentation, and Ports, Protocols, and Services Management (PPSM) database.

If the list of authorized sources and destinations is not available, this is a finding.

Review the firewall configuration for each of the configured outbound zones and interfaces.

Verify a security policy is applied to each outbound zone/interface, including the management interface.

If an egress filter is not configured for each active outbound zone or interface, this is a finding.

Check Content Reference

M

Target Key

2912

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