SYN Flooding Attacks

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Q: Because your company’s server is becoming increasingly unresponsive and its listen queue is quickly reaching its capacity, you suspect that an attacker has been carrying out SYN flooding attacks on the server. This attack works by filling up the table reserved for half open TCP connections in the operating system’s TCP IP stack. In a 3-way TCP handshake, what missing process is likely contributing to this attack?


b. SYN

c. ACK


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