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If an attacker sends a large number of SYN requests with fake source addresses, the server side will consume a lot of resources to handle this semi-connection, and saving traversal will consume a lot of CPU time and memory, not to mention retrying SYN + ACK on IP in this list. TCP is a reliable protocol, and messages will be retransmitted at this time. The default number of retries is 5. The interval time of retries is doubled from 1s to 1s + 2s + 4s + 8s + 16s = 31s respectively. After the fifth time is sent out, it will take 32s to know that the fifth time has timed out, so the total is 31 + 32=63s.3. Take your above three certificates plus graduation certificate, ID card and physical examination, and you can sign up for the lecture-that is, "lecture".Step 1 Decompress鬼屋？桃花谷的张宅变成了鬼屋？秦淼不相信地看着他，死咬住嘴唇。《楚留香新传》主要指的是《楚留香传奇》系列的后面五部：包括《鬼恋侠情》、《蝙蝠传奇》、《桃花传奇》、《新月传奇》、《午夜兰花》。江湖中关于楚留香的传说很多，有的传说甚至已接近神话。有人说他“驻颜有术已长生不老”，有人说他“化身千万，能飞天遁地”，那么，人人都知道楚留香—“楚香帅”到底是何方神圣呢？”作为武侠迷来说，古龙的这部经典作品和他的影视作品都耳熟能详了。楚留香的传奇故事继续上演！《都是爱情惹的祸》原名《成都，今夜请将我遗忘》。