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A TCP connection is a quad, and a connection is uniquely determined by the source IP, the source port, the destination IP and the destination port. Therefore, if C wants to forge the packet from A to B, it should fill in the above-mentioned IP header and TCP header with the source IP, source port, target IP and target port. Here B is the server, IP and port are open, A is the target we want to attack, IP certainly knows, but the source port of A is not clear, because it may be randomly generated by A. Of course, if we can find out the rule of generating source port for common OS such as Windows and Linux, we can still do it. In addition, we can step on the connection port of Car A through a large number of controlled hosts./hello5. Except when it has been determined that there is no danger of collision, every ship shall reduce its speed to a minimum speed that can maintain its course when it hears the fog signal of another ship appearing to be in front of the ship or unable to avoid an urgent situation with another ship in front of the ship. When necessary, the ship should be completely stopped, and in any case, the ship should be driven with great caution until the danger of collision has passed.《高塔公主》（英语：Single Ladies Senior），2018年东森电视自制戏剧系列之第十二部作品。由孟耿如、莫允雯、郑茵声、王牧语、田中千绘、周群达、王家梁、利晴天领衔主演。本剧描述不婚女性的故事，接档《狮子王强大》。极致理性的物理学霸和漫画玛丽苏谈恋爱。 本故事以改革开放后的某个彝族村寨里，一对青梅竹马的恋人伍惹和马依曲折的恋爱故事为主线，讲述了这对彝族青年男女娓娓动人的爱情故事，批判和揭露了一些以贩卖毒品谋取财利的不法分子给彝族社会所带来的种种灾难。 《梦回远山》该片是编剧李世荣指导的一部大陆爱情故事电影。角色引发了许多观众的共 鸣。故事论场面和制作算是上乘之作，剧本扎实，富有野心、能吸引观众的目光。CW又一次一口气续订多剧，这次共13部，包括《神探南茜 Nancy Drew》（S2）。