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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.　　由7个独立故事组成的《对立面》，也是生与死，黑与白，亲密与疏远的实验。创作者以试图贴近赤诚的天性，直达的影像与情感中最尖锐、冲突的领域。"Well-how do you say this? According to the appearance, it should be a dog, but the dog is very ugly. I don't recognize what breed it is, and I have never seen such a fierce dog." Liu Guangyuan said.《白发魔女传》很有可能会作为主打作品。讲述的是26岁的咖啡店店长赖子（志田未来饰）和24岁的自由职业者巡（泉泽祐希饰）这对“同居进入第3个年头的情侣”，在两人唯一的共同休息日——星期天一起熏制食物，看看电影，玩玩游戏，品尝美食以养精蓄锐。两人感情也在“熏制”的过程中慢慢加深。硝烟烽火起，日寇残暴行，山河破碎，英雄奋起！泪干，血热，不做亡国奴！一场轰轰烈烈的抗日战争，一个个神出鬼没的地雷战场，布下天罗地网，炸的敌人胆战心惊，魂飞魄散！抗战时期的海阳，一群傲骨铮铮的汉子，在中国共产党的领导下，和敌人斗智斗勇，和日寇展开的举世闻名的地雷战！石破天惊，生死缠绵，看英雄地雷传奇，写儿女侠骨柔情……晚上好好睡一觉，明早起来就会轻松好些。