美女1819xxxx_美女1819xxxx

张老太太猛然扑过去抱住小葱，呜咽出声。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.Although the time of this practical activity is short, the enlightenment it leaves us is profound and long-term, and it is a solid step on our life road. Through participating in social practice activities attentively, I have known the society, realized my social position, defined my historical mission and stimulated my enthusiasm for learning. I will constantly adjust and perfect my knowledge structure, overcome various setbacks on the way forward, exercise my will and perseverance, and make preparations for adapting to future work.这些恩德要何时才能还完呢？听了钟隐的详细叙述，嬴诗曼轻声道：难道子夜要和尹旭一直待在一起？钟隐点头道：至少要有段时间，这样才能保证安全，否则两人都会有性命之忧。但是，往后的日子终究要你自己过，所以。Bring the handling materials and expenses (cash only) to Jiangsu CA outlets for handling (see point 3 for details). No invoice will be issued on site, and the electronic invoice will be sent to the mailbox in about one month.