The NOO should have a deny-list that prevents setting some ports for the collector, in order to avoid a DDoS:
- XLAN UDP port 4789
- 6081 for GENEVE.
- IKE for IPsec 500 and 4500.
- anything below < 1024 by convention.
The NOO should have a deny-list that prevents setting some ports for the collector, in order to avoid a DDoS: