https://download.csdn.net/download/u013003382/9868661 said Smurf is a DoS attacking method. In this flood attack, it floods the victim with the ICMP echo packets instead of TCP SYN packets. Also, it is a spoofed broadcast ping request using the victim IP address as the Source IP. Most of the modern devices can deter these kind of attacks and SMURF is rarely a threat today. # hping3 -1 --flood --spoof <target> <broadcast_address>