The Juniper router configured for MSDP must limit the amount of source-active messages it accepts on per-peer basis.
An XCCDF Rule
Description
<VulnDiscussion>To reduce any risk of a denial-of-service (DoS) attack from a rogue or misconfigured MSDP router, the router must be configured to limit the number of source-active messages it accepts from each peer.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-253981r843976_rule
- Severity
- Low
- References
- Updated
Remediation - Manual Procedure
Configure the MSDP router to limit the amount of source-active messages it accepts from each peer.
set protocols msdp active-source-limit maximum <1..1000000>
set protocols msdp active-source-limit threshold <1..1000000>
set protocols msdp active-source-limit log-warning <percent to log warning>
<additional configuration>