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Stephen Covey's words drifted from the air, and my head began to shine with light. I suddenly realized:If an attacker sends a large number of SYN requests with fake source addresses, the server side will consume a lot of resources to handle this semi-connection, and saving traversal will consume a lot of CPU time and memory, not to mention retrying SYN + ACK on IP in this list. The end result is that the server has no time to ignore the normal connection request-denial of service. If you look at the SYN_RECV status on the server with the netstat-an command, you can see that there are a large number of connection states that are "SYN_RECEIVED"捷德奥特曼是圆谷株式会社出品的特摄剧。直到站在礼的婚礼宴席上，健才感到了一种追悔莫及的悲痛，这股强烈的情感引来了妖精（三上博史饰），妖精施展魔法帮助健回到过去，改写历史，可是纵使一次又一次地穿越，健的始终踌躇不前，礼的始终欲言又止，使两人的关系终无突破性变化。[News Survey] 20190105 Divorce这么好看的剧 得用一篇影评把它刷上去啊"In short, it will be very fast and will not leave you much reaction time." Zhang Xiaobo said.