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只一个晚上，他们竟然离了梅县城十几里地。出られない 斉藤由貴 豊原功補Looking at the INPUT chain in the filter table again, we find that the rule has been added. In iptables, the action is called "target", so the action corresponding to the taget field in the above figure is DROP.2. After the connection is completed, press and hold the power key on the top of the mobile phone for 3 seconds, and the Apple logo will appear at this time.Backup websites are not necessarily full-featured. If they can browse statically, they can meet the needs. At the very least, it should be possible to display a notice to tell users that there is something wrong with the website and that all efforts are being made to repair it. When my personal website went offline, I made a temporary homepage with a few simple lines of HTML code.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.のどが渇く 椎名桔平 光石研