The Juniper Multicast Source Discovery Protocol (MSDP) router must be configured to limit the amount of source-active messages it accepts on per-peer basis.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| low | V-217097 | SRG-NET-000018-RTR-000009 | JUNI-RT-000930 | SV-217097r604135_rule | 2024-12-05 | 3 |
| Description |
|---|
| 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. |
| ℹ️ Check |
|---|
| Review the router configuration to determine if it is configured to limit the amount of source-active messages it accepts on a per-peer basis. protocols { … … … } msdp { export SA_EXPORT; import SA_IMPORT; group AS25 { peer x.x.x.x { active-source-limit { maximum nnn; } If the router is not configured to limit the source-active messages it accepts, this is a finding. |
| ✔️ Fix |
|---|
| Configure the router to limit the amount of source-active messages it accepts from each peer. [edit protocols msdp group AS25 peer x.x.x.x] set active-source-limit maximum nnn |