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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.一个月黑风高的夜晚，一辆破车里坐着三个面色凝重的男士…我们有信念，不顾个人安危，解救了屠宰场待宰的几十条狗命。我们有追求，不顾个人利益，顺利在“弯”的投资方眼下溜走，还解救了投资方欲潜规则的娱记。我们有理想，不顾个人荣辱，卧薪尝胆只因为我们坚信是金子总会发光。我们发誓。这一切都是套路！我们本意深藏功与名，在这芸芸众生中做一个普通人…奈何光芒太耀眼，即便只是星星，也是最亮的三颗。战地迷情Chapter 6刘井儿在后嗤笑道：你们读书人不是最知礼的吗？今天这样冒撞，我没揍你，你还敢骂人，咱们要不要去问王爷，你凭什么？田遥听了一滞，方才意识到刚才行为确实不妥，心下越发难受，遂忍气离了这院子，往前面告辞去了。Class behavior patterns-Use inheritance relationships to allocate behaviors among several classes.好，你可以坐我身边，但是看电影时不准笑。