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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.08　日露開戦When faced with large-scale attacks, it is even more important to resist attacks from the upstream.全世界陷入混乱，充斥着爆发的僵尸，只有强者才能生存。卢克和他的团队，是否有足够的野心和弹药来延长人类的生存时间？帅气、富有、能干而年轻的霸道总裁秦晋阳一直是全城女孩都想嫁的男人。因一次误会，被北美艺术学院的美术生童天爱闯进家门大闹一通，不仅把家里搞得无乌烟瘴气，还损坏了价格不菲的古董留声机。秦晋阳气急败坏的开始全城搜查这个落荒而逃的女子，使得童天爱无处躲藏只好前来自首。年轻总裁表示只要在一个月合同期限内让他开心起来，就可以既往不咎。童天爱只好答应了。一个月的时间说长不长说短不短，童天爱以“心情规划师”的身份和秦晋阳开始了朝夕相处的日子……3.网络告密Take Huawei mate10pro as an example