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空军903师是一支有着光荣传统的优秀部队，副师长印双虎（李光洁 饰）飞行技术高超，是师长的有力竞争人选。在与参谋长岳双龙（王斑 饰）的演练对抗中印双虎胜出，但其僚机却遭遇飞鸟撞击事故，在鸟类学家柳琪（黄奕 饰）帮助下，印双虎未受责罚。不久后，岳天龙担任903师师长，印双虎颇为不甘，柳琪亦调入常务连成为空军一份子。印双虎与岳天龙的矛盾因训练理念不同而爆发，熟稔国外空军训练的岳双龙强调实战，而印双虎更尊重前人的摸索经验，二人争执不下，岳天龙随即提出分组对抗，印双虎与岳天龙两位优秀空军指战员展开了一系列伴随着惺惺相惜的对抗与合作……顾涧面容端肃，心里却得意极了。3. Combination mode崔秀贤（盛骏饰）致力于向世人证明“爱是不存在的”，默默进行着一个与自己心理诊所同名的“安托万夫人”的心理学计划。而渴望心动爱情的占卜师高慧琳（韩艺瑟演）则不小心被卷入“安托万夫人计划中，两人展开了一段心理游戏漩涡中的特别爱情故事。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.博伊德警探带领着一支由多名警探和科学专家组成队伍，专门调查早已被人遗忘的陈年积案。有了先进的科学技术，加上专业的法医知识和心理专家的分析做武器，他们相信自己一定能够所向披靡。然而事情远没有那么简单，旧案中证物的保存状况堪忧不说，看尽人间冷暖的警员和不通人情事故的科学家配合起来也是矛盾重重。而博伊德警探为什么对那些陈年旧事耿耿于怀，无法放下？他似乎也有着自己的秘密。但不管怎么说，这些人都有着一腔热情，为着同一个目标一起努力着，为打击罪犯执行正义贡献着一己之力。