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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.作为科技公司的科研人员，李想拥有一身高超的技术，但是面对感情时他确实很稚嫩。茉莉是公司的女神，漂亮有气质，李想非常喜欢却不敢表白。随着时间的推移，李想觉得爱恋茉莉没有任何实质性的进展，鼓起勇气多次邀请茉莉共进晚餐，但是都被茉莉拒绝了。李想不死心偷偷跟踪茉莉，发现茉莉居然有了男朋友。为了和茉莉有进一步的发展，李想开发了一款高科技头盔，可以虚拟逼真的茉莉，在虚拟世界和茉莉一起做美好的事情。李想陷入了虚拟世界，耽误了工作，原来异能头盔能够迷惑人的心智，让人沉迷。李想痛定思痛决定要毁了异能头盔，而这时头盔不见了……19. Strong bureaucratic consciousness. Many people who come in by virtue of their relationships take the right not to do facts, which will only affect their work.Int arrayInt [] = new int [2];伦也考虑制作一款将惠变成女主的galgame，于是他拉上了金发的幼驯染泽村·史宾瑟·英梨梨来做原画担当，学年第一名的学姐霞之丘诗羽来写作剧本，成立了同人社团“blessing software”。再加上表姐冰堂美智留做音乐担当，经过努力，他们的galgame终于完成了一条线。Breakfast Type: Western, Chinese《食之军师》以对“食”有着很强执着的本乡播（津田宽治饰）为故事主人公，讲述他四处寻访美食店家，根据自身的“兵法”，探求心中的“美学”的奇异美食故事。在寻访美食的过程中，本乡播（津田宽治饰）与力石馨（高冈奏辅饰）展开“食之对决”，同时，本乡播的脑内竟然存在三国时代的智将——诸葛孔明（篠井英介饰）！