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The data structure of the SYN cache is robust to attackers who attempt to overflow the HASH tablespace. Because its HASH value contains the port number and some password bits of the other party. Because stacks are a more efficient data structure than linked lists, stacks are used for SYN caching to improve speed. In Lemon's test, hosts under active attacks were able to establish connections with SYN cache and were only 15% delayed from normal time./question　　Tom的家庭也有了变化，父亲Steven被派往上海公干，母亲秀梅辞去了杂志编辑的工作，当特约记者，以方便自己在家照顾两个孩子和家婆，母兼父职的她面对教育孩子的问题，婆媳相处上，时而遇到问题颇为难。　　1935年11月，中央红军长征，韩先楚率部参加了著名的直罗镇战役。走得太急，一卷画轴从他怀中落下，他也不曾发现。That is to say, a total of false syn messages will occupy the TCP preparation queue for 63s, while the semi-connected queue defaults to 1024, which is different by system default and can be viewed by cat/proc/sys/net/ipv4/tcp_max_syn_backlog c. That is to say, sending 200 fake syn packets per second without any protection is enough to burst the semi-connection queue, thus preventing the real connection from being established and responding to normal requests. The end result is that the server has no time to ignore the normal connection request-denial of service.多年以后，当海霞回首往事，青春的记忆里最开心的日子是1984年国庆节，那一天是她20岁的生日。她和春妮还有李赛，三个不是亲姐妹却胜似亲姐妹的女孩子在天安门广场上参加了国庆三十五周年的大庆。烟火绽放在夜空，《二十年后再相会》的歌声回响在耳畔，海霞加入到集体舞的行列，尽情的欢笑着、旋转着，她祈祷着未来的每一天都能像这一天一样幸福、快乐。海霞从小都在春妮家长大，海霞的父亲和春妮的父亲徐树林原来都是一个村的，后来又一起进了国营大厂骄傲的当上了工人阶级……