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<p>The attacker sending a lot of SYN request to tying up a system. The victim waits for the acknowledgement from the IP address, but there will be no response because the source address is spoofed. This waiting period ties up a connection "listen to queue", that can tie up for 75 seconds.</p>
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<h4>ICMP Flood Attack</h4>
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<p>Flooding ICMP request without waiting for the res