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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.院子场地压得极为光滑、平整，院门口铺了块大青石条板，一条两尺宽的碎石小道从院门口一直延伸到正房廊檐下，半路中间岔出两条通向东西厢房门口，形成十字型。UnicomS individual employees pay social insurance premiums and housing accumulation funds;Looking back on this social practice, I have learned a lot, learned a lot of social experience from everyone I contact, and improved my potential, which I cannot learn in school. It takes long-term practice to be good at communicating with others in society. In the past, I did not have the opportunity to work, which made me unable to adapt to changes when talking with others and made the conversation silent. This was very embarrassing. People will integrate into the social group in the society, and people will work together to make the process of doing things more harmonious and get twice the result with half the effort. You should listen to the opinions given to you by others and understand them patiently and modestly. Be confident in your work. Confidence is not a numb boast, but an affirmation of one's potential. Lack of social experience, lack of academic qualifications and other reasons will make self-confidence lack. In fact, anyone who is born with confidence can overcome psychological barriers and everything will become easy to solve. The accumulation of knowledge is also very important. Knowledge is like human blood. Without blood, one's body will weaken, and without knowledge, one's mind will dry up. The brewing industry contacted this time is very strange to me. If I want to do a good job, I must understand this knowledge and have in-depth understanding of all aspects so as to better apply it to my work.——秦枫不仅是皇叔，还是名医，谁知以后会不会有病求上他。到时候身在西楚境内，便有积分人为刀俎我为鱼肉的意思，万一…我是说万一我们受到项羽的阻拦，越王也要因此而受制于人，怕是不大妙啊。