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From Table 1, we can see that NTP can achieve 556.9 times magnification, which comes from NTP's monlist command. The NTP monlist command is used to query all the records of recent communication with the Server. The server returns up to 600 communication records, which is a very large multiple. However, there are a large number of NTP servers on the Internet, which can be queried and enlarged distributed through botnets.ChannelId　　又赶上金融危机，公司彻底倒闭了。祸不单行的是海涛被查出得了白血病，兄弟姐妹怕捐献骨髓的医疗风险都拒绝帮忙。一封遗书唤起了亲朋好友的良知和悔意，这时一个尘封已久的秘密被揭开，原来博士竟然是海涛的亲生妹妹原来凯西和王家相识已久，她是王伟妈的得意门生，王伟心目中的萌妹子，更因缘凑巧搬到了拉拉家楼下。“嘀嘀嘀”超级警报拉响了，试看女汉子杜拉拉如何打败劲敌，杜拉拉的职场婚姻双重战斗欢笑登场！有人立即不屑道：我看难啊，大王为了自己春秋大梦一意孤行，而且极爱面子，哪里肯轻易答应。Since its basic attack principle is backlog overflow that depends on the end host connection socket, an obvious end host-based solution is to increase the backlog queue size, and this method has been widely used in most servers. Increasing the backlog queue is usually done by modifying the application's listen () function call and an operating system kernel parameter SOMAXCONN, which is used to set the upper limit of backlog that an application can receive. This method itself cannot be completely considered as an effective method to resist SYN flooding, even in some operating systems that can effectively support super large backlog queue allocation, because attackers can arbitrarily generate datagrams much larger than the backlog supported by their operating systems.The following points should be paid attention to when collecting information: