| Parameter | Description | Value |
|---|---|---|
| alert | Generates an alarm, but does not discard the attack packet. | - |
| discard | Generates an alarm and discards the attack packet. | - |
By default, a FW generates an alarm and discards single-packet attack packets upon receiving the attack packet.
The action configured using the firewall defend action command takes effect only on single-packet attacks. To configure the DDoS attack processing method, run the ddos-mode command.