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For example, if you and your boss go to a restaurant to eat abalone, just tell the hotel directly that you want abalone. The hotel is responsible for purchasing and making abalone. In this way, we don't have to make abalone ourselves, thus separating customers from services.《芙蓉锦》定妆照 (8张)香荽忙道：不要紧，我自己也会做鞋了。光头立刻将火把递给后面的人，上前恭恭敬敬作揖：毛公子。……《倚天屠龙记之魔教教主》、《唐伯虎点秋香》两部电影已经大局已定，陈启不需要多加关注。For spoofing attacks, the first thing to consider is to choose the address. For the attack to succeed, the host on the spoofed IP address must not respond to any SYN-ACK packets sent to them. A very simple method that an attacker can use is to disguise only one source IP address, and this IP address will not respond to SYN-ACK packets, perhaps because there is no host on this IP address at all, or because some configuration has been made to the address or network properties of the host. Another option is to disguise many source addresses, and attackers will assume that hosts on some of these disguised addresses will not respond to SYN-ACK packets. To implement this method, you need to recycle the addresses on the list of source IP addresses that the server wants to connect to, or make the same modifications to hosts in a subnet.