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唉，娘真舍不得你嫁人。板栗忙问道：真的？喜姑姑这么说了？冬子点头道：是。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.当一名家庭顾问的前妻试图与他们的儿子和新男友一起移居该国另一端时，他决定采取一切必要措施以防止这种情况发生。　　Pierce Brosnan饰演Eli，是McCullough家族如神一般存在的元老。他小的时候曾被绑架，在印第安人的科曼奇族部落被抚养长大，因此他也把科曼奇族 残暴的世界观用在了他的商业事务中。他出生在得克萨斯州宣布独立成为共和国的那一天，所以又被人叫做“德州长子”；可以说他是野性西部的“遗物”，不满德州不可阻挡的被驯化的过程，同时也对自己遗产的未来忧心忡忡。MyEvent +=Print;Click "Detailed List" to enter the following figure: