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CEH Certified Ethical Hacker 312-50: DOS attacks
CEH Certified Ethical Hacker 312-50: Denial of Service attacks
10
Computer Science
Professional
02/04/2014

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Cards

Term
Ping of Death
Definition
Send a ping in multiple packets (fragmented) where the total size exceeds the maximum allowable size (65,535), which can cause a buffer overflow and crash.
Term
Fraggle
Definition
Uses UDP echo and chargen packets. Attacker sends UDP packets with spoofed source address to a directed broadcast.
Term
Smurf
Definition
Uses broad ICMP echo requests with a spoofed source address. The device at the spoofed source address can be overwhelmed.
Term
LAND
Definition
Send malformed IP packets, where the source and destination address are the same. This can cause the destination to become confused and crash.
Term
Teardrop
Definition
Uses several large overlapping IP fragments. Reassembly attempt sometimes causes a crash. Not ICMP.
Term
P2P attack
ICMP unreachable storm
Service request floods
Definition
The three self-explanatory denial of service attacks.
Term
ICMP flood
Definition
Echo requests, or echo replies, or timestamp request
Term
SYN flood
Definition
Send many SYN packets but do not respond to SYN/ACK packet.
Term
Dissassociate
Definition
Wireless attack, forcing a deauthorization (deauth)
Term
Application level
Definition
Send more “legitimate” traffic than the web application can handle
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