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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. The end result is that the server has no time to ignore the normal connection request-denial of service. If you look at the SYN_RECV status on the server with the netstat-an command, you can see that there are a large number of connection states that are "SYN_RECEIVED"In addition, the war situation of the army is different, The composition of the loss varies considerably, Taking the Soviet Union during the Soviet-German War as an example, The average monthly losses of Soviet troops over the years are: In 1941, 710,000, 1942, 614,000, 1943, 655,000, 1944, 573,000 and 1945, 700,000, the difference is not too big. The ratio of 1941, which suffered the worst loss, to 1944, which suffered the least loss, is only 1.24 times. However, the proportion of dead, wounded and prisoners in the losses over the years is quite different. The average monthly number of dead and missing persons in 1941, 271,000 in 1942, 1943, 147,000 in 1944 and 186,000 in 1945 is 496,000, 3.37 times higher than that in 1945.他瞅着刘蝉儿发呆，也没几个人发现，外婆张氏却瞄见了，不由满心欢喜，只觉得两小人看上去说不出的般配。为了支援中央苏区打破国民党的军事“围剿”和经济封锁，中共中央决定建立一条从上海经香港、汕头到苏区的红色交通线。邹作仁为交通线伯公凹站站长，与其它大、中、小各交通站一道，行使着向苏区输送人员和紧缺物资，也从苏区向上海党中央运送经费和情报的绝密使命。在邹作仁的领导下，交通员们与敌人展开斗智斗勇。在以曹瑞瑛为站长的国民党军统特务的严查紧追下，几个小站遭到破坏，但忠诚于党的交通员们宁死不屈，用鲜血和生命保护着党的秘密。在护送从全国各地到瑞金参加中华苏维埃第二次代表大会的一百多位代表的艰巨任务中，邹作仁等以牺牲自已的英雄壮举，保证了把所有代表毫发无损地护送到瑞金，确保了意义重大的中华苏维埃的第二次代表大会如期召开。ABC续订喜剧《初来乍到》第四季。根据古龙小说武林外史改编。 沈浪是个专门以缉捕匪徒领取赏格为生的游侠。武林中的大魔头欢喜王无恶不作，图谋独霸武林。各大门派高手决定联合对抗他，并邀沈浪参与其事。沈浪起初不允，但在各路英雄设计引诱下，终于加入除害的行列。经过无数的惊险奇遇，终于消灭了欢喜王。