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When the SYN gateway receives the SYN packet from the client, it directly forwards it to the server. After receiving the SYN/ACK packet from the server, the SYN gateway forwards the packet to the client and sends the ACK confirmation packet to the server in the name of the client. At this time, the server enters the connected state from the semi-connected state. When the client confirms the arrival of the packet, it forwards if there is data, otherwise it discards it. In fact, the server has a connection queue in addition to maintaining the semi-connection queue. If SYN attack occurs, the number of connection queues will increase, but the number of connections that the general server can withstand is much larger than the number of semi-connections, so this method can effectively reduce the attack on the server.现在陈平带来了这个好消息，可以说让人放下了后顾之忧。大山的儿子，讲述双阳镇地处太行山腹地，交通不便经济落后，邮递员穿官衣，骑官车，吃供应粮，是令人羡慕的职业。赵家宽为保住这身官衣，在太行山区开辟了一条艰险的邮路。王三皮则想当一名电报员，将来接替所长的位置。王三皮听说岗位精简的消息，便挖空心思诬陷赵家宽。赵家宽被局里树为行业标兵，王三皮只得改行到供销社当营业员，王三皮对赵家宽恨之入骨。赵家宽连续十几年被评为省级邮电战线的先进标兵，给邮电所和地区邮电系统带来了荣誉。不幸的事情终于发生了，赵家宽被山里的老虎夺去了生命。为了解决同学们的麻烦，实现这些奇葩梦想，麻烦社内上演了一幕幕令人啼笑皆非的故事，嬉笑怒骂之间却道出了生活的真谛。你瞧，她口口声声帮白凡说话。Crazy Alliance WeChat Public Number Begins to solicit manuscripts-There are a lot of coupons waiting for you to get them.In popular terms, it is to use network node resources such as IDC server, personal PC, mobile phone, smart device, printer, camera, etc. to launch a large number of attack requests on the target, which leads to waste of network resources, congestion of link bandwidth, depletion of server resources and interruption of service, making it impossible to provide normal services to the outside world, and only game over can be announced. The detailed description is shown in the following figure: