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

The PE router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces..

DISA Rule

SV-207140r604135_rule

Vulnerability Number

V-207140

Group Title

SRG-NET-000205

Rule Version

SRG-NET-000205-RTR-000008

Severity

CAT II

CCI(s)

• CCI-001097 - The information system monitors and controls communications at the external boundary of the information system and at key internal boundaries within the system.

Weight

10

Fix Recommendation

Enable uRPF loose mode on all CE-facing interfaces.

Check Contents

Review the router configuration to determine if uRPF loose mode is enabled on all CE-facing interfaces.

If uRPF loose mode is not enabled on all CE-facing interfaces, this is a finding.

Vulnerability Number

V-207140

Documentable

False

Rule Version

SRG-NET-000205-RTR-000008

Severity Override Guidance

Review the router configuration to determine if uRPF loose mode is enabled on all CE-facing interfaces.

If uRPF loose mode is not enabled on all CE-facing interfaces, this is a finding.

Check Content Reference

M

Target Key

2917

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