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夏常安（王俊凯 饰）的父母在一场意外事故中双双身负重伤，而事故的起因和一个人工智能机器人AI有着千丝万缕的关联。为了查清事件的真相，独立坚强的夏常安独自展开了调查。三人坐在一块大石上。There are a lot of themSYN attack is a kind of DOS attack. It takes advantage of TCP protocol defects and consumes CPU and memory resources by sending a large number of semi-connection requests. SYN attacks can not only affect hosts, but also harm network systems such as routers and firewalls. In fact, SYN attacks can be implemented as long as these systems turn on TCP services no matter what systems are targeted. As can be seen from the above figure, the server receives the connection request (syn=j), adds this information to the unconnected queue, and sends the request packet to the client (syn=k, ack=j+1), then enters the SYN_RECV state. When the server does not receive an acknowledgement packet from the client, it retransmits the request packet and does not delete this entry from the non-connection queue until the timeout. With IP spoofing, SYN attacks can achieve good results, Typically, clients forge a large number of non-existent IP addresses in a short period of time, SYN packets are continuously sent to the server, and the server replies to the confirmation packets and waits for the confirmation of the customer. Since the source address does not exist, the server needs to continuously resend until it timeout. These forged SYN packets will occupy the unconnected queue for a long time, normal SYN requests will be discarded, the target system will run slowly, and in serious cases, the network will be blocked or even the system will be paralyzed.上次收了钱才十几天，现在因为要到三月了，就又要多收一个月的？副千户实在是个要脸的人，没法开口了。原作小说由纸城境介撰写、たかやKi负责插画，2017年起于KADOKAWA小说投稿网站「KAKUYOMU」开始连载，2018年正式出版，曾获得「第三届KAKUYOMU网络小说大赛」恋爱喜剧部门大赏、「这本轻小说真厉害！2020」文库部门新作第3名等奖项。