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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.所以说，我就想不通田遥那回事。富士电视台将于10月17日（周五）晚11点开始播出由小泉今日子的特色自传《战斗女人》改编的电视剧。Freya's role is seriously underestimated.辽国萧太后虎视眈眈窥视中原，杨景奋力守卫边关遂城。宋朝皇帝整日沉迷于酒色，从不关心战事，使得遂城内缺粮、缺药，杨景等人困守城中。谁知这一下却惹怒了穆桂英，与他打了起来。杨宗保由于连日奔波早已筋疲力尽，渐渐体力不支昏倒在地，身上的精囊掉落下来。 　　穆桂英虽出身山寨却正直善良，她早就对杨家将仰慕已久，看见精囊中的急信，她得知面之人竟是杨家小将，不仅芳心暗许，决定将其救回山寨。 　　于是一个戎装女子挂帅出征、大破天门阵的故事就此展开……板栗发呆道：这么办好是好，可是出嫁的闺女不是好吃亏？郑氏笑道：真有钱，想陪女儿多少嫁妆不行？房契地契、银票，满打满算，两盒子装满了，摆那些外面光的虚架子干嘛？当然，该买的还得买。