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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).　　四个性感单身女生因缘际逜下开始了同居生活。10.1.2 Acute nephritis is qualified after being cured.　　沉香决心救母，他偷偷地离开家，不想却被二郎神捉了去。紧急关头，百花仙子（叶伊娜 饰）闻讯赶到。她威胁二郎神，如果不放了沉香，就将他暗恋嫦娥（颜丹晨 饰）之事公之于众。二郎神只好退去。