In a smurf flood DoS attack, attackers can benefit from a multiplier effect because multiple ICMP requests are responded to by a single host.

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In a smurf attack, the multiplier effect occurs because the attacker sends ICMP requests to a network's broadcast address using a spoofed source IP address (the victim's IP), causing all hosts on the network to respond to that victim, thus amplifying the attack.

In a Smurf Flood DoS Attack, Attackers Can Benefit from a Multiplier