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SYN flooding attacks can attack with fewer packets than ordinary brute-force DoS attacks that only send a large number of packets to the target network. However, this requires some understanding of the server's operating system, such as how much backlog queue space it allocates and how long it will keep the TCB in the SYN-RECIEVED state before timeout and discarding the TCB. For example, an attacker can send a certain number of SYN packets that are exactly the size of the backlog queue, and their cycles are just the time when the TCB is recycled, thus making the server permanently unavailable.他们没有注意到，身后一个单独的jiāo小身影暗中跟了进去。星光灿烂剧照(10张)看到变成美少女模样的橘，神宫寺为她的可爱而不知所措。　　在法庭内外，控、辩、审三方围绕着系列案件展开了惊心动魄的较量和唇枪舌战的激烈辩控，高剑在后续调查中逐渐发现牵连其中的背后势力盘根错节、扑朔迷离，就连自己的前妻也裹挟其中……这人真是莫名其妙的可以，先是将她误认成男的，接着又落海溺水，逼得她要帮他做人工呼吸，现在竟然要求她当他的替身女友？不过，跟外公吵架离家出走之后，似乎也无处可去，只能勉强答应他，走一步算一步了。这女的真是怪的要命，没事扮成小男生，还他认错，之后历劫归来一张开眼，吓！怎么又是她？看她无家可归也挺可怜的，刚好被老妈逼婚的他，缺一个替身女友，就顺便收留她回家好了……