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When the client SYN packet arrives at the filter gateway, the SYN agent does not forward the SYN packet, but actively replies the SYN/ACK packet to the client in the name of the server. If the client's ACK packet is received, it indicates that this is normal access. At this time, the firewall sends the ACK packet to the server and completes three handshakes. The SYN agent actually replaces the server to deal with SYN attacks. At this time, the filter gateway itself is required to have strong ability to prevent SYN attacks.(3) A photocopy of the articles of association of the legal person and the ID card of the　　同时,以不可思议、故意暴露小分 队的护送方式，为党、为祖国人民、为了刚刚诞生的新中国，在极其不对等的悬殊状况下，以自己的身躯挡住敌人猛烈的子弹，为护送这位国民党、也曾是双手沾满 共产党人鲜血的情报高官，奉献了他们英雄的生命。何心隐进厅，眼见其余三人，立刻又失望了几分。郑氏又道：同样的人家，你们瞧瞧，万元的娘是个啥样子？还有，秦大夫那年帮一个媳妇做了剖腹产，本来在济世堂养得好好的回家了。Unicom