What is a SYN flood attack and how does it target VPS servers?

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Grade: Education Subject: Ddos
What is a SYN flood attack and how does it target VPS servers?
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A SYN flood attack is a type of DDoS attack that exploits the TCP handshake process. The attacker sends a flood of SYN (synchronization) packets to the server, initiating connections but never completing them. This exhausts the server's resources (connection queue) and prevents legitimate users from connecting. VPS servers are particularly vulnerable because they have limited resources.