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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.原以为是个温柔的，谁知比包子铺的方桂花还要狠。In addition, the mechanism of the explosive arrow is similar to that of the nuclear explosive arrow, which cannot form the determination of the explosive head and will form an AOE within the explosion range. The more excessive point of the explosive arrow is that there is not only no head shot judgment, but also no critical strike judgment. That is to say, critical strikes and critical strikes hurt these people. He will not enter the oil and salt (spit it out). As for the basic damage of the explosive arrow, the landlord's Flame Arrow Ping A does not start with a critical strike damage of 4W8-5W, and the explosive arrow is 3W3-3W5. Therefore, the damage of the explosive arrow is about 70% of the damage of the flame arrow. Understandably, the damage of the element arrow in the original sin of the divine world is 0.7 times that of the deceleration arrow. This is because the deceleration arrow is a single unit, the element arrow is AOE, and the damage of AOE is 0.7 times that of the single unit. It is very reasonable, but you cannot explode your head and cannot crit. What the hell is it?台湾青年初到大陆，因价值观与习惯不同，为一枚硬币的丢失，与老会计发生了一系列矛盾冲突，以及与女友之间发生一系列情感纠葛。由于阴差阳错和误入歧途，导致冲突步步升级，从最初的五分钱竟然升级到涉及几千万差点就是几千亿的债务纠纷……荒诞而又啼笑皆非的故事中，刻画出大量鲜活有趣的人物形象。在贯穿始终的幽默搞笑中体现小人物的艰辛与人生冷暖。臣今日刚刚去粮仓看过，韩信的管理非常得当。　　反黑帮双雄王志淙（黄日华饰）与林永泰（陈锦鸿饰）同属O记部门，二人性格迥异，因此时常发生争执，但在工作上却不失为一对好拍档，是名副其实的欢喜冤家。5 No parking is allowed within 30 meters at bus stations, first aid stations, gas stations and fire brigades (stations).