A customer reports a network outage at a branch office after users have reported intermittent Internet connectivity Upon further investigation, you determine that there is significant packet loss and that the majority of traffic on the WAN consists of DNS responses from many different sources.
In this scenario, which design consideration would reduce further occurrences with minimal chance of affecting valid traffic?
- Implement CGNAT
- Create a firewall filter to drop all traffic to the affected destination address of the attack
- Create a firewall filter to drop all traffic based on the source addresses of the attack.
- Configure BGP flowspec.