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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.MDT should collect key information (such as staging, physical condition and complications) that directly affect diagnosis and treatment decisions.Mrs McCarthy and Lady Felicia are held hostage by a bumbling pair ysgou.cc of train robbers.Mud-dyeing is above all part of cold dyeing technologies, which greatly reduce the damage done to a fabric's fibers. As a consequence, althoughwe'd been using a considerable amount of cash, there basically was no sign of damage, no floating hair whatsoever; if anything, the fabric was actually fortified.三百年来，一把红色小提琴在数个国家流浪，与数人的命运紧紧相牵。仿佛有某种魔咒，让人们为这把琴疯狂着迷。你一定忘不了火烧绿林村那场杀戮与浩劫，人人都道她红颜祸水，为了一己私欲生灵涂炭，却不知原来这一步步的堕落，也正是她无可逃避的命数，正如剧中所说的那样，有的人活着，就是一个故事，有的人活着，只是为了死去。