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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.五柳先生诧异道：王爷跟清明书生编戏？板栗含笑点头，也不多解释。以在下看来，郑旻借此讽喻那些食古不化之人，并无不妥。《海盗王怒追落跑新娘》是《一夜新娘》的CP速看剧情版，以情话夫妇花溶和秦尚城的CP视角来该讲述狂傲海盗王和将门侠女之间“高糖甜宠”的浪漫爱情。　　公司为提升品牌形象，在高级商场开设专柜，沈请来了在街坊商场的化妆专柜当彩妆师好友——郑宇强(甄子丹 饰)加入公司。　从室内积灰可以看出，这里很久没有进来人了。那是一个时代，几十万热血知识青年响应号召奔赴云南边疆。十年一梦，大返城的汹涌狂潮又把他们卷回城市。在边疆，他们抛下的不只是红土地、流沙河、橡胶林，还有他们的青春情怀和爱情结晶——娃。