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People have studied SYN attack prevention technology earlier. To sum up, there are mainly two categories, one is through firewall, router and other filter gateway protection, the other is through strengthening TCP/IP protocol stack protection. However, it must be clear that SYN attacks cannot be completely prevented. What we have done is to reduce the harm of SYN attacks as much as possible unless TCP protocol is redesigned.MoveHearing this, I think of the famous carnivorous fish-sawtooth salmon, which lives in tropical waters and fears almost all creatures living with them, including crocodiles, which are known as freshwater overlords, and a more familiar name, namely "piranha". However, the serrated salmon has made such a "world-famous" reputation for its small size. In addition to the large number, In addition to his fierce temperament, It is also closely related to their unique tooth structure, The teeth of salmon, Is sharp on both sides, The middle is sharp and densely arranged, and has a strong cutting function for all kinds of skin and meat. Therefore, although its mouth is not large, it can basically tear off a large piece of meat with one bite. Similar examples include the teeth of great white sharks, which also have such functions. However, the individual size of great white sharks is too large to be compared with serrated salmon, and its lethality cannot be compared.本系列纪录片的第二季，该片将目光聚焦中国历史上现象级的文化名人，希望通过解读这些人物的人生故事与艺术成就，去梳理出数千年的中华文明史以及背后的文化内核。After the thunder exploded on the platform invested by Xiao Wang, he joined more than 10 rights groups and became the leader of a rights group.你是否也曾感动过，那些为爱的奋不顾身：拉风的机车，幼稚的气球，和“不经意”的偶遇。你看着不是，怀王册封他为绍兴侯，食邑山阴七万户。