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Obvious advantages of offline mechanisms:Use the-S option to indicate the "source address" in the "matching condition", that is, if the source address of the message belongs to the address corresponding to-S, then the message meets the matching condition, and-S means source, indicating the source address.1: The color of the tag is different from that of the earlier version or that of the regular company. The blue color of the regular company is darker.明朝万历年间，贵妃童娘娘为了把自己的儿子推上太子之位与东厂公公曹花若合谋，大肆诛杀秉真直谏的御史，一时间在京城内外掀起腥风血雨，不少知道真相的御史清官遭遇杀身之祸。这一路，越走越怕，官府百姓都在说，杭州没了。Judgment: The old man gave you a disdainful look.SYN flooding attacks can attack with fewer packets than ordinary brute-force DoS attacks that only send a large number of packets to the target network. However, this requires some understanding of the server's operating system, such as how much backlog queue space it allocates and how long it will keep the TCB in the SYN-RECIEVED state before timeout and discarding the TCB. For example, an attacker can send a certain number of SYN packets that are exactly the size of the backlog queue, and their cycles are just the time when the TCB is recycled, thus making the server permanently unavailable.