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EC-Council

212-89 · Question #137

ZYX company experienced a DoS/DDoS attack on their network. Upon investigating the incident, they concluded that the attack is an application-layer attack. Which of the following attacks did the…

The correct answer is A. Slowloris attack. The Slowloris attack is a type of application-layer attack that targets the web server by establishing and maintaining many simultaneous HTTP connections to the target server. Unlike traditional network-layer DoS/DDoS attacks such as UDP flood or SYN flood, Slowloris is…

Incident Handling and Response Process

Question

ZYX company experienced a DoS/DDoS attack on their network. Upon investigating the incident, they concluded that the attack is an application-layer attack. Which of the following attacks did the attacker use?

Options

  • ASlowloris attack
  • BUDP flood attack
  • CSYN flood attack
  • DPing of ceath

How the community answered

(37 responses)
  • A
    84% (31)
  • B
    3% (1)
  • C
    11% (4)
  • D
    3% (1)

Explanation

The Slowloris attack is a type of application-layer attack that targets the web server by establishing and maintaining many simultaneous HTTP connections to the target server. Unlike traditional network-layer DoS/DDoS attacks such as UDP flood or SYN flood, Slowloris is designed to hold as many connections to the target web server open for as long as possible. It does so by sending partial requests, which are never completed, and periodically sending subsequent HTTP headers to keep the connections open. This consumes the server's resources, leading to denial of service as legitimate users cannot establish connections. The Slowloris attack is effective even against servers with a high bandwidth because it targets the server's connection pool, not its network bandwidth.

Topics

#Slowloris attack#application-layer DoS#DDoS attack types#HTTP flooding

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