'''Packet Flooding Attack''' is the most common type of Denial of Service Attack.The modus operandi of intruders is sending more than acceptable number of packets to a particular destination. There are several types of packets used by Packet Flooding Attack tools including:
+
* '''[[TCP]] Floods'''- SYN, ACK and RST flags are sent to the victim's [[IP]] Address
+
* '''[[ICMP]] echo request reply (Ping Floods)'''- A stream of ICMP is sent to the victim's IP Address
+
* '''[[UDP]] Floods'''- A stream of UDP is sent to the victim's IP Address