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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.Click on this elevation symbol on the drawing, and there will be two arrows, one horizontal and one vertical. Click on these two arrows to try, and the effect will appear.　　LIONS车队外有强大的对手宋杰，内有亟需解决的误会与冲突。在激战的赛场上，他们重新找回初心，再次叱咤风云。Most cases that may be tried in rural areas may be subject to "summary procedure", that is, what we call "kang trial" at this moment. The "mock trial" project prepared can enable villagers to understand the real trial procedure and the majesty of the law. For this reason, we have prepared two cases, one civil case and one criminal case.民国初，山东济南武林高手“燕子李三”被官府斩杀。李三师弟李显隐退江湖，将绝世轻功传与徒弟李云飞、李云馨、李云龙。十年后李显师徒回到济南，与日本武士对决抗争，名声大振.百姓称，燕子李三回来了。抗战时期，李显师徒投入到全民抗战的洪流中。三徒弟李云龙薄弱的内心和膨胀的私欲，使他最终成为了彻头彻尾的走狗，不得善终。二徒弟李云馨开武馆，传授武艺。大徒弟李云飞体会到，凭借武林气节，单打独斗，不可能真正救国，毅然加入抗战。意大利文艺复兴时期，英俊的艺术家兼工匠莱昂纳多·达·芬奇（汤姆·莱利Tom Riley 饰）正值青少年华，虽然个性傲慢，却有一颗聪明的脑袋。时下，他正受到佛罗伦萨共和国执政官洛伦佐（艾略特·科万 Elliot Cowan 饰）所托制造复活节庆典装置。因杰出表现荣升为军事工程师。同时，达·芬奇和洛伦佐的情妇卢克蕾齐娅·多纳蒂（劳拉·哈德克 Laura Haddock 饰）有了私情。一位神秘的土耳其人告诉他必须寻找一本神秘书籍——《叶之书》。而因为这本书，教皇的侄子，兼得力助手——吉罗拉莫·里亚里奥伯爵（布莱克·瑞特森 Blake Ritson 饰）也从梵蒂冈来到佛罗伦萨......