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6? Countermeasures of Network TerminalsYou can scan the following two-dimensional code or directly search the public number: CharlotteDataMining. Thank you for your attention.Of the above three stages, the attack is undoubtedly the most important one. For DDOS attacks, when the attack occurs, the best defense measure is to quickly filter the attack packets on the premise of early detection of the attack to ensure the access of legitimate users. At present, for DDOS attacks, security companies mainly adopt traffic cleaning methods. A common flow cleaning architecture is shown in Figure 1.2. For reporters with 100,000 manuscripts, the Marketing Department of Interface Financial Association will interview everyone and make small videos, which will be played on large screens in offices in Beijing and Shanghai.As mentioned above, SYN attacks can be prevented by increasing the backlog queue. In addition, reducing timeout time also enables the system to process more SYN requests. We know that the timeout timeout, that is, the half-connection lifetime, is the sum of the timeout times that the system waits for all retransmissions. The larger this value, the longer the half-connection takes up the backlog queue and the fewer SYN requests the system can handle. In order to shorten the timeout time, it can be realized by shortening the retransmission timeout time (usually the first retransmission timeout time) and reducing the number of retransmissions.嘉靖难以置信地看着汪滶，想了很久才想到他是谁，随后又难以置信地望向杨长帆。