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If an attacker sends SYN packets quickly with their own undisguised IP address, this is a so-called direct attack. This attack is very easy to implement because it does not involve spoofing or modifying packets below the user layer of the attacker's operating system. For example, he can simply send many TCP connection requests to implement this attack. However, for this attack to work, the attacker must also prevent his system from responding to SYN-ACK packets because of any ACK, RST, or ICMP (Internet? Control? Message? Protocol) will cause the server to skip the SYN-RECEIVED state (go to the next state) and remove the TCB (because the connection has been successfully established or recycled). Attackers can do this by setting firewall rules, causing the firewall to block all packets (except SYN) to reach the server, or causing the firewall to block all incoming packets so that SYN-ACK packets are discarded before reaching the local TCP handler.干脆地回答。见他好似没啥大的不对，便点头道：好。讲述了陈真在日留学期间，“师夷长技以制夷”，学习工业技术，面对日本军部手下千代忍的屡次挑衅，和形意拳师薛自立一起捍卫国人尊严，勇敢面对决斗。一场中国功夫和日本武士的较量正式上演，展现了中国功夫“深藏不露”的武术内涵。Bedtime Story -- 西野加奈延续前一部的节奏，背景同样设定在电视台，不过这次将更深入呈现幕后工作人员的办公室斗争，同时探讨什么是真，什么是假…自从余凡（陈汉玮饰）死后，周薇芸（郑惠玉饰）变得豁达，但在公事上，她将面对新对手官谢恩（黄碧仁饰）的压迫。而综艺组则交由洪韬（李南星饰）负责，他隔岸观火周官之争，从中坐收渔人之利。方彤琳（瑞恩饰）和Jason（戚玉武饰）感情稳定，在职场上缺屡受洪韬的刁难；赵菲儿成了当家阿姐，但心里却还是放不下Jason…