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smurf attack

   Also found in: Wikipedia 0.03 sec.

smurf attack

An assault on a network that floods it with excessive messages in order to impede normal traffic. It is accomplished by sending ping requests (ICMP echo requests) to a broadcast address on the target network or an intermediate network. The return address is spoofed to the victim's address. Since a broadcast address is picked up by all nodes on the subnet, it functions like an amplifier, generating hundreds of responses from one request and eventually causing a traffic overload. See denial of service attack, flooding and ICMP.



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It protects against a wide range of Denial of Service (DoS) attacks including Ping of Death, SYN/FIN flooding, Smurf attacks, port scans, fragment attacks and IP spoofing.
It protects against a wide range of Denial of Service attacks including Ping of Death, SYN/FIN flooding, Smurf attacks, port scans, fragment attacks and IP spoofing.
There are various types of DoS attacks; the more popular ones are known as Smurf attack (when the person behind the attack sends high volume of ICMP type packets) and SYN attack (when the attacker initiates a high rate of new connections requests and then fails to follow up).
 
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