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黑主学院是一所有名的私立学校，分为普通部和夜间部。夜间部人员都是有超美型的精英学员。但他们有个特殊的身份：吸血鬼！并且这个身份不能让普通部学生知道。理事长的义女——普通部学生的黑主优姬，以及青梅竹马的锥生零担负起学院守护者的职责——处理人类学生与吸血鬼接触时所出现的麻烦。而在零的内心深处，因为4年前父母被杀害而痛恨着所有吸血鬼。鬼马的洛菲菲与性格各异的十二个星主频频互动中乌龙笑料百出，与皇上更成了欢喜冤家，初生牛犊的她不惧挑战，豪言壮志：这个皇上我要了。Second, I always try to find a perfect investment method, not aware of the necessity of gain and loss, so I glance left and right to be swayed by considerations of gain and loss. The first kind of people become paranoid and criticize the market for posing as truth when they are not satisfied. The second kind of people become swing and can never be firm once.最终篇，TV版播出10年之后推出的总集篇剧场版本Facing TCP's three-way handshake protocol, how should attackers launch attacks? The attacker first intentionally initiated a handshake packet. After receiving it, the server puts it into the waiting queue and returns an acknowledgement. Secondly, the attacker will no longer send the third acknowledgement packet, thus the server will make multiple retransmissions (the Linux system configures the number of retransmissions through tcp_synack_retries), consuming a lot of extra overhead, and the waiting queue will be occupied, even the waiting queue will be full, eventually causing the server to be unable to receive the client's request. This is the attack.期待封神之战。