STIGQter: STIG Summary: Cisco IOS Router RTR Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 23 Oct 2020:

The Cisco PE router must be configured to drop all packets with any IP options.

DISA Rule

SV-216993r531085_rule

Vulnerability Number

V-216993

Group Title

SRG-NET-000205-RTR-000016

Rule Version

CISC-RT-000750

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 the router to drop all packets with IP options as shown below.

R4(config)#ip options drop

Check Contents

Review the router configuration to determine if it will drop all packets with IP options as shown below.

ip options drop

If the router is not configured to drop all packets with IP options, this is a finding.

Vulnerability Number

V-216993

Documentable

False

Rule Version

CISC-RT-000750

Severity Override Guidance

Review the router configuration to determine if it will drop all packets with IP options as shown below.

ip options drop

If the router is not configured to drop all packets with IP options, this is a finding.

Check Content Reference

M

Target Key

4027

Comments