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Ping flood. A ping flood is a simple denial-of-service attack where the attacker overwhelms the victim with ICMP "echo request" ( ping) packets. [1] This is most effective by using the flood option of ping which sends ICMP packets as fast as possible without waiting for replies. Most implementations of ping require the user to be privileged in ...
Ping of death. A ping of death is a type of attack on a computer system that involves sending a malformed or otherwise malicious ping to a computer. [1] In this attack, a host sends hundreds of ping requests with a packet size that is large or illegal to another host to try to take it offline or to keep it preoccupied responding with ICMP Echo ...
ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software. Ping measures the round-trip time for messages sent from the ...
Smurf attack. A Smurf attack is a distributed denial-of-service attack in which large numbers of Internet Control Message Protocol (ICMP) packets with the intended victim's spoofed source IP are broadcast to a computer network using an IP broadcast address. [1] Most devices on a network will, by default, respond to this by sending a reply to ...
Flooding (computer networking) Flooding is used in computer network routing algorithms in which every incoming packet is sent through every outgoing link except the one it arrived on. [1] Flooding is used in bridging and in systems such as Usenet and peer-to-peer file sharing and as part of some routing protocols, including OSPF, DVMRP, and ...
Legitimate user Alice (purple) tries to connect, but the server refuses to open a connection, a denial of service. A SYN flood is a form of denial-of-service attack on data communications in which an attacker rapidly initiates a connection to a server without finalizing the connection. The server has to spend resources waiting for half-opened ...
The BlackNurse attack is a form of denial of service attack based on ICMP flooding. The attack is special because a modest bandwidth of 20 Mbit/s can be effective for disrupting a victim's network. [1] The attack consists of sending ICMP Destination Unreachable packets to a destination. This works because these packets caused the destination to ...
Broadcast storm. A broadcast storm or broadcast radiation is the accumulation of broadcast and multicast traffic on a computer network. Extreme amounts of broadcast traffic constitute a broadcast storm. It can consume sufficient network resources so as to render the network unable to transport normal traffic. [1]