STIGQter: STIG Summary: Router Security Requirements Guide Version: 4 Release: 2 Benchmark Date: 23 Apr 2021:

The perimeter router must be configured to have Proxy ARP disabled on all external interfaces.

DISA Rule

SV-207166r604135_rule

Vulnerability Number

V-207166

Group Title

SRG-NET-000364

Rule Version

SRG-NET-000364-RTR-000112

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

This requirement is not applicable for the DoDIN Backbone.

Disable IP Proxy ARP on all external interfaces.

Check Contents

This requirement is not applicable for the DoDIN Backbone.

Review the router configuration to determine if IP Proxy ARP is disabled on all external interfaces.

If IP Proxy ARP is enabled on any external interface, this is a finding.

Vulnerability Number

V-207166

Documentable

False

Rule Version

SRG-NET-000364-RTR-000112

Severity Override Guidance

This requirement is not applicable for the DoDIN Backbone.

Review the router configuration to determine if IP Proxy ARP is disabled on all external interfaces.

If IP Proxy ARP is enabled on any external interface, this is a finding.

Check Content Reference

M

Target Key

2917

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