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Prevention Techniques
How to prevent your network from being the source of the attack:
- Apply filters to each customer network
- Ingress:
- Allow only those packets with source addresses within the customer’s assigned netblocks
- Apply filters to your upstreams
- Egress:
- Allow only those packets with source addresses within your netblocks to protect others
- Ingress:
- Deny those packets with source addresses within your netblocks to protect yourself
This also prevents other forms of attacks as well
Notes: