A security team investigates a server that has been overwhelmed with SYN packets. What does this scenario describe?1 pointSYN flood attackICMP flood attackPing of DeathOn-path attack
Question
A security team investigates a server that has been overwhelmed with SYN packets. What does this scenario describe?1 pointSYN flood attackICMP flood attackPing of DeathOn-path attack
Solution
This scenario describes a SYN flood attack.
Here's a step-by-step explanation:
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A SYN flood attack is a form of denial-of-service attack in which an attacker sends a succession of SYN requests to a target's system in an attempt to consume enough server resources to make the system unresponsive to legitimate traffic.
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In a SYN flood attack, the requester sends multiple SYN (synchronization) requests to the target. Each request causes the target to reserve resources and wait for the completion of the two-way handshake process.
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However, the requester does not respond to the target's SYN-ACK (synchronization-acknowledged) response, causing the target to time out while waiting for the response. This leaves the targeted server unable to process other requests.
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The server is overwhelmed with these unfinished SYN requests, which leads to denial of service as legitimate requests cannot be processed.
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Therefore, the scenario of a server being overwhelmed with SYN packets describes a SYN flood attack.
Similar Questions
A SYN flood is a Denial of Service attack that overwhelms a server’s ability to to respond by sending a flood of what kind of network traffic?
SYN Flood is a DOS attack in which an attacker deliberately violates the three-way handshake and opens a large number of half-open TCP connections. The signature of attack for SYN Flood contains:Select one:a. The source and destination address having the same valueb. A large number of SYN packets appearing on a network without the corresponding reply packetsc. A large number of SYN packets appearing on a network with the corresponding reply packetsd. The source and destination port numbers having the same value
TCP SYN Flood attack uses the three-way handshake mechanism.1. An attacker at system A sends a SYN packet to victim at system B.2. System B sends a SYN/ACK packet to victim A.3. As a normal three-way handshake mechanism system A should send an ACK packet to system B, however, system A does not send an ACK packet to system B. In this case clientB is waiting for an ACK packet from client A.This status of client B is called _________________Select one:a. "full-open"b. "half-closed"c. "half open"d. "xmas-open"
What type of attack poses as a TCP connection and floods a server with packets simulating the first step of the TCP handshake?1 pointSYN-ACK flood attackICMP flood SYN flood attackOn-path attack
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