User Guide

Table Of Contents
152
Security settings 12.11
The router supports ARP defense
DDoS defense, IP attack defense, and Block WAN ping.
ARP defense
Parameter description
Parameter
Description
ARP Defense
It is used to efficiently prevent the ARP attack from the local network.
ARP Broadcast Interval
It specifies the interval for sending ARP inquiry messages. Default: 1 second.
DDoS defense
Parameter description
Parameter
Description
ICMP Flood Threshold
If ICMP request packets exceed the threshold within 1 second, the router suffers ICMP
flood attack.
UDP Flood Threshold
If UDP request packets exceed the threshold within 1 second, the router suffers UDP
flood attack.
SYN Flood Threshold
If SYN request packets exceed the threshold within 1 second, the router suffers SYN
flood attack.