Craig A. Huegen <chuegen@cisco.com>
Smurf Attack Description & Supression
NANOG 11 2
Description of “Smurfing”
•Newest DoS
attack
Network-based,
fills access pipes
Uses ICMP
echo/reply packets with broadcast networks to multiply traffic
Requires the
ability to send spoofed packets
•Abuses
“bounce-sites” to attack victims
Traffic
multiplied by a factor of 50 to 200