SYN flood is a type of denial-of-service (DoS) attack in which a threat actor floods a server with several requests, but doesn’t acknowledge back the connection, leaving it half-opened, usually with the purpose of consuming server resources, which leads to denying other users access to that server. In this article, we’ll explore how a SYN flood attack works, why it’s so dangerous, how to spot its signs, and what measures you can take to prevent it from taking over your system.

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