Getting started with Global Auto DoS Attack Prevention

Settings in this page apply to all ports. Click on Advanced to set additional per-port DoS Attack Preventions.

Denial of Sevice Prevention
Land Attack Packets with Source IP = Destination IP
Blat Attack Packets with Source port = Destination port
NULL scan TCP sequence number is zero and all control bits are zeroes
SYN with sport < 1024 SYN packets with source port less than 1024
Xmascan Sequence number is zero and the FIN, URG, and PSH bits are set
SYNFIN SYN and FIN bits set in the packets <%x@DOS:SUPPORT(#PINGOFDEATH)%>
Ping of Death Attack Uses packets larger than 64K bytes through fragments and target the vulnerable systems. <%/x%>