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The main reason why DDOS attacks are difficult to defend is that there are too many vulnerabilities and attack methods that can be exploited. In the OSI seven-layer network model used in the network data transmission process, basically each layer has protocols that can be exploited by DDOS attacks. According to the different network levels of the protocols used for DDOS attacks, this paper summarizes the currently known DDOS attack types and their defense measures as shown in Table 1-3. For more detailed information on current DDOS attack and defense, please refer to Huawei DDOS attack and defense summary post.曾经的拳王阿武退役后开了家武馆维持生计，独自抚养女儿。小艾渐渐成长，纤瘦的身体下隐藏着巨大的力量，为了减轻父亲的生活重担，小艾在课余时间和好闺蜜徐佳一起在咖啡馆打工。Aban's dealings with various Japanese figures are even more brilliant. The Japanese in his works, Including Japanese Foreign Minister Yoyo Matsuoka, Minister to China Shigemitsu Mamoru, Consul General to Nanjing Sumomikiro, Commander-in-Chief of the Fleet in China Yanze, Japanese Minister-at-Large Kato, Commander of the South Fleet Iwamura Kiichi, Commander of Japan's Third Fleet Lieutenant General Hasegawa, Commander of the Shanghai Dispatch Force Ishiguro Matsui and his subordinate Colonel Hashimoto Shinichiro. He is especially concerned about Ishiguro Matsui, who is the primary responsible person for the Nanjing Massacre, and many details are rare in domestic publications. It is generally believed that Matsui and his 80 officers were recalled by Japan because of excessive negative reports on Japan after the Nanjing Massacre. After reading this book, it is known that the main reason is related to the sinking of the US ship Panai by Japanese planes in the Yangtze River. The report that dragged Ishiguro Matsui off the horse was published in the New York Times by Aban and caused a sensation. Aban also depicted a bunch of inferior Japanese characters, including cunning, loyalty, stupidity, shrewdness, aggressiveness, gentleness... no longer one thousand people, exaggeration and distortion.Siblings Jackson and Angela run a profitable ghostbusting racket; swindling the bereaved with fake detection equipment and Angela's paranormal 'visions'. Hired to investigate a haunted old foster home, the team uncover its terrifying past: young girls brutally slaughtered, mouths stitched shut; silenced by a sadistic killer. And Angela's on the edge - sleepless, strung out and losing her mind, no longer certain what's actually real; convinced she hears the girls crying out to her from the darkness... But supernatural terrors are the least of their problems when they discover the very real evil lurking in the isolated house.　Chris是一名利物浦应急响应警员，负责夜间巡逻。他是一个危机重重、道德感模糊，且不走寻常路的人。原来，这场子里木耳烂了许多，几人便互相推诿责任。Red series: safflower, Rubia cordifolia