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SYN flooding attacks can attack with fewer packets than ordinary brute-force DoS attacks that only send a large number of packets to the target network. However, this requires some understanding of the server's operating system, such as how much backlog queue space it allocates and how long it will keep the TCB in the SYN-RECIEVED state before timeout and discarding the TCB. For example, an attacker can send a certain number of SYN packets that are exactly the size of the backlog queue, and their cycles are just the time when the TCB is recycled, thus making the server permanently unavailable."Do you want to hear the truth or the lie?"Let's take a look at these four chu animalsVar Interview = function () {};Add a rule at the beginning of the specified chain of the specified table, and-I type selection means add a rule at the beginning of the corresponding chain1. What is the difference and connection between denial of service attack and distributed denial of service attack?