D-Link DWR-923 User Manual page 40

Advanced Firewall DoS Attacks
A denial-of-service attack (DoS attack) is an attempt to make a device
resource unavailable to its intended users.
SYN Flood: Enter the maximum number of SYN packets per second the
security appliance accepts before determining that a SYN Flood
Intrusion is occurring. This value can range between 1 and 10,000 SYN
packets per second. The default is 128 SYN packets per second.
Echo Storm: The security tool monitors the number of pings per
second to determine when to declare an echo storm intrusion event.
Echo storm intrusion events are not blacklisted. This value can range
between 1 and 10,000 ping packets per second. The default is 15 ping
packets per second.
ICMP Flood: The security tool monitors the number of ICMP packets
per second, not including ping packets, to determine when to declare
an ICMP flood intrusion event. ICMP flood events are not blacklisted.
This value can range between 1 and 10,000 ICMP packets per second.
The default is 100 ICMP packets per second.
Click Apply to apply the changes. Or click Reset to undo your
configurations.
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