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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.一个曾经因为肥胖被各种歧视、欺凌的胖妞，在瘦身之后成了火辣性感的选美少女，她性格大变，决定报复那些欺负过她的人，逐渐失控...Shrouded with secrets and mysteries, a run-down shophouse in Singapore draws attention to banker Chi Ling who returns from Hong Kong to claim its inheritance. As she discovers the drudgeries and intrigues of her great-grandmother’s world – in a brothel set in early 1940s Singapore – she is pushed to decide the fate of the building and to reconcile with her roots and history. La...那是她现在所在的领域。要是这些奴才再出头讨骂，别怪我下狠手。Five, in the "action" tab of the "block writing palette" click "flip action", AutoCAD? The command window at the bottom prompts "Select Parameter" and clicks the text "Flip State" on the figure (that is, the horizontal mirror axis); The command window then prompts "Select Object" and clicks on all lines and attributes on the graph except the short horizontal line under the triangle (the attribute displays the word "elevation" at this time) and enters. The command window also prompts "Specify Action Position" and drags the mouse to the nearby blank space to click.　　神龟们又处于备战状态了！他们再次联合起来，准备向黑暗势力出击！