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Both these attacks and SYN flooding target the victim's TCP application and can interrupt the victim's service at much less cost than brute force flooding packet methods. However, SYN flooding is very different from other TCP spoofing attacks. SYN flooding attacks the services of the new connection without affecting the established connection, while other spoofing attacks break the established connection and cannot block the new connection from the beginning. SYN attacks can be stopped only by modifying the initial handshake program, while other spoofing attacks require checking every piece of data throughout the connection life cycle. What SYN flooding and other TCP spoofing attacks have in common is that they all depend on the attacker's ability to send IP packets that disguise the source address, while the same way to defend them is to deploy more address filtering or use IP Security Protocol (IPsec).李时珍发现当今世上的医书错误连连漏洞百出，于是起了编撰《本草纲目》的念头。然而，他却因为个性过于耿直而得罪了权贵，使得他不得不暂时中断了医书的编撰，还性命不保踏上了逃亡的旅途。所幸有太医院的庞宪（马国明 饰）一路帮助扶持，李时珍终于完成了旷世奇作《本草纲目》。他也不是‘鱼虾一池塘的那个刘家。I think it's time to do it主人公少年·新海春，获得了被伟大的意志引导的“App驱动”，并使来自“App芯片”的搜索App·盖奇兽实体化了。The above design, as commented above, when executing the Resize method of SmartTest, if a rectangular object is passed in, when the height is greater than the width, the width will be automatically increased until it exceeds the height. However, if a square object is passed in, it will fall into a dead loop. The fundamental reason at this time is that rectangles cannot be the parent class of squares. Since there is a problem, they can be reconstructed so that both of them inherit from quadrilateral classes. The refactoring code looks like this:我站这儿，爱往哪瞧就往哪瞧，谁让她跑到我眼皮底下的？红椒大怒道：我先站这的，你是后来的。