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谢谢。Facing TCP's three-way handshake protocol, how should attackers launch attacks? The attacker first intentionally initiated a handshake packet. After receiving it, the server puts it into the waiting queue and returns an acknowledgement. Secondly, the attacker will no longer send the third acknowledgement packet, thus the server will make multiple retransmissions (the Linux system configures the number of retransmissions through tcp_synack_retries), consuming a lot of extra overhead, and the waiting queue will be occupied, even the waiting queue will be full, eventually causing the server to be unable to receive the client's request. This is the attack.板栗却不耐烦了，正要让她出去，只见小葱身着玫红暗花蝶纹云锦对襟裙袄，牙白裙子，披一件紫红斗篷，袅袅走进东厢。云影见郑家人都把女儿当媳妇看了。1. Instructions for New Office:金兵侵宋, 身负重伤的宋国将军嘱其女孟红, 爱徒王天龙及范天虎务必把两枚玉玺送到宋室康王手上, 匡扶宋室. 金国走狗完颜鹤利用江湖中人夺取玉玺以免康王即位, 不断向孟、王及范三人软硬兼施, 最终三人不惜与完掌握的 "风云堂" 决一死战!1938年，10岁的德国男孩安东不再想成为局外人。一心想加入希特勒青年团，但遭到了父亲的坚决反对，以致演变成了一场家庭冲突。当犹太邻居向他的家人寻求保护时，安东看到了纳粹的恐怖之处。于是他偷偷向他的同志们寻求建议——这让他的父亲陷入了极大的困境。