This topic describes the system events for Anti-DDoS Premium.
| Type | Event | Description | State | Level |
|---|---|---|---|---|
| Blackhole filtering | ddosdip_event_blackhole_add | Blackhole filtering is triggered. | blackhole_begin | Critical |
| Blackhole filtering | ddosdip_event_blackhole_end | Blackhole filtering stops. | blackhole_end | Critical |
| Traffic scrubbing | ddosdip_event_defense_add | Traffic scrubbing is started. | defense_begin | Critical |
| Traffic scrubbing | ddosdip_event_defense_end | Traffic scrubbing stops. | defense_end | Critical |
| DDoS attack | ddosbgp_event_blackhole | A blackhole event occurs. | blackhole | Critical |
| DDoS attack | ddosbgp_event_clean | A traffic scrubbing event occurs. | defense | Critical |