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本片为迪士尼公司制作的《奇妙仙子》系列作品中的第一部。SYN 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.Aspect)　　因一次意外邂逅了长得帅气又充满激情的毛杰，有了脱轨行为，而且怀了他的孩子这使她和铁军的婚姻破灭了。而在一次执行任务时，她发现毛杰竟是贩毒份子……可是，她和板栗经历了那样的同生共死，居然都坚守住了，还是在自己生死不明的情况下坚守的，因为两人都坚信他还活着。A prototype object is given. Q: How can this be done? A: It's very simple. Just give a prototype class directly.