STIGQter: STIG Summary: Cisco IOS XE Router RTR Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.

DISA Rule

SV-216723r531086_rule

Vulnerability Number

V-216723

Group Title

SRG-NET-000362-RTR-000121

Rule Version

CISC-RT-000850

Severity

CAT II

CCI(s)

• CCI-002385 - The information system protects against or limits the effects of organization-defined types of denial of service attacks by employing organization-defined security safeguards.

Weight

10

Fix Recommendation

Configure the RP to rate limit the number of multicast register messages.

R2(config)#ip pim register-rate-limit nn

Check Contents

Review the configuration of the RP to verify that it is rate limiting the number of PIM register messages.

ip pim rp-address 10.2.2.2
ip pim register-rate-limit nn

If the RP is not limiting PIM register messages, this is a finding.

Vulnerability Number

V-216723

Documentable

False

Rule Version

CISC-RT-000850

Severity Override Guidance

Review the configuration of the RP to verify that it is rate limiting the number of PIM register messages.

ip pim rp-address 10.2.2.2
ip pim register-rate-limit nn

If the RP is not limiting PIM register messages, this is a finding.

Check Content Reference

M

Target Key

4028

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