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那中年和尚也停止推磨，过来帮忙。他就可以安心当张家真儿子了。This so-called proud and charming group is already a well-known forced group. Why is there no one in charge? ? ! ! Is it the official black group? Ha ha...But this is not over yet. Ethernet also requires CRC verification when transmitting data. The network card will CRC check the data packet before sending the data, attaching a 4-byte CRC value to the back of the packet header. At this time, the packet length is no longer 40 bytes, but 64 bytes, which is often referred to as SYN packet attack. The packet structure is as follows:可是，胡老大见事情闹大了——其实早闹大了，只是现在村里人也加入，这情形竟是犯了众怒，他就有些害怕了，拼着挨了青山一石头，冲过来挡住老鳖。For example, M (67cm ~ 96cm = about 81.5 cm in the middle)The hybrid method combines the above two or more defense methods. For example, some terminal operating systems implement a large backlog queue and SYN? Cookies, but only when the backlog size exceeds a certain threshold? Cookies are only used so that SYN is not involved? Cookies flaws in the case of normal use, also allows the transition to SYN-cookies defense in the event of an attack.