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Both these attacks and SYN flooding target the victim's TCP application and can interrupt the victim's service at much less cost than brute force flooding packet methods. However, SYN flooding is very different from other TCP spoofing attacks. SYN flooding attacks the services of the new connection without affecting the established connection, while other spoofing attacks break the established connection and cannot block the new connection from the beginning. SYN attacks can be stopped only by modifying the initial handshake program, while other spoofing attacks require checking every piece of data throughout the connection life cycle. What SYN flooding and other TCP spoofing attacks have in common is that they all depend on the attacker's ability to send IP packets that disguise the source address, while the same way to defend them is to deploy more address filtering or use IP Security Protocol (IPsec).宋庆元年间，金起于极北，蒙古称雄大漠，中原烽火四燃。动荡的时局成就了射雕英雄，也成就了一段荡气回肠的爱情传说…雪之夜，南宋军官段大德在大金赵王完颜洪烈的授意下，率兵洗劫了都城临安郊外的牛家村，从山东逃难来此的郭啸天、杨铁心两家惨遭横祸，家破人亡，已怀有身孕的郭、杨两位夫人，一个逃往蒙古大漠，一个被劫持到金都王府，从此天各一方。全真教道士丘处机与江南七怪相互约定，分头寻找并教导两家的后人郭靖、杨康，十八年后在嘉兴醉仙楼一决高下。由此江南七怪万里追踪，深入大漠，6年之后，终于找到了寄居草原的郭靖母子，并悉心教导天资愚笨的郭靖。18年后，郭靖奉师命南下。目睹了大难不死的杨铁心一家劫后重逢，然而杨康却拒不认父，杨铁心与妻子勉强逃出王府，最终仍被迫双双喋血街头。遭遇人生巨变的杨康，虽也曾心神激荡，左右摇摆，但在患得患失之余，仍贪恋富贵，终于认贼作父，靖、康兄弟不得不分道扬镳。其后，杨康不断玩弄机巧，伤人害命，但杨铁心的养女穆念慈仍一心痴恋于他，苦苦追随，直到杨康受到匪夷所思的命运恶报，惨死在嘉兴铁讲述了这样一个故事：驻守在特区的某部二营营长李桂林，周末之夜，他去电视台与女朋友许娜相会，部队却忽然接到了抗洪命令。二营成了抗洪先头部队，被空运到了位于长江险要地段的江川市。教导员钟涛正在休假，闻讯立即归队。部队直奔双河垸，营救出了被洪水围困的群众和九中预备参加高考的学生以及女教师楚天洁。洪水危机仍然威胁江川市凤凰院，分洪迫在眉睫。但是有翟建业、高升这样的“蛀虫”，令抗洪战士们面临生与死的选择，李桂林经过这场考验，对人生观、价值观有了新的认识。忍不住惊叹道：板栗哥哥，我就晓得你是最有主意的，每次我有什么烦难事，让你一说，我就想开了。这是一个循环往复的世界，是深渊，亦是地狱。死寂岛，是一座关了120人的荒岛。绝地求生之中，总有人意外离去。“小丑”是用来看押这120人的角色，被这座岛紧紧控制着。所谓的“生存规则”究竟是真相还是谎言？一切谜底亟待解开。老子会怕？你们这是报应，报应。Murderer Liang's Husband