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《保镖》（Bodyguard）描述退伍老兵David Budd（Richard Madden）加入伦敦大都会警署王室与专家保护局，专门负责保护性格火爆的政治人物、英国内政大臣Julia Montague（Keeley Hawes）。到最后，保镖和保护对象成了水火不容的死敌。Sophie Rundle、Gina McKee、Rowena King和Vincent Franklin参与演出。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.半岛大厦天井，警员徐泰被发现时身负重伤，奄奄一息。同时，警方还在现场找到了昏迷不醒的督察凌光（郭富城 饰）。结合近期发生的电钻杀人案，警方怀疑此案为同一凶手所为。凌光苏醒后失忆，导致其无法解释与徐泰相会之事，因此陈安哲（钱嘉乐 饰）等警员指责其为凶手。余总警司（董勇 饰）让他不要插手此案。凌光深感委屈，身边只剩好友阿鬼（张兆辉 饰）力挺。记事簿显示，凌光在案发时均在请假，他询问妻子希爱（张钧甯 饰）和养子仔仔（谭真一 饰）希望唤起当时的记忆，无济于事。他的脑中不停闪现血腥场面，精神极度失控，不但冷淡妻儿，而且忽视了刚离婚的妹妹凌敏（何超仪 饰）。收集证据时，凌光赫然发现，几名死者竟然跟自己有着特殊的关系，而且这背后还隐藏着更大的阴谋……Of course, if the average trainer is not heavy, it is not a big problem to choose which shoes. However, with the improvement of results, the problem of shoes should be considered.原来，郑家下定的礼虽然品类齐全，也不算少，却平常的很，并无一样惊人眼目的东西，不说跟张家送去周家的比了，便是以郑家的富贵，也稍嫌简慢。　　十岁女孩宋永芳目睹家中巨变，为寻仇人只身闯荡上海滩，凭借出众的歌艺和独特的个性得到上海滩大老板段绍荣的青睐，改名为小金宝。唐立平是段绍荣的拜把兄弟，表面上他凡事唯段绍荣马首是瞻，暗地里却觊觎老大的位置。唐立平之弟唐立天是进步青年，深受红色思想的影响。女段他也自然也明白，尹旭要去干什么。