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A fundamental and universal problem closely related to this aspect is related to the use of open DNS parser to launch DDoS attacks against Switzerland, an anti-spam organization. The open parser does not validate the IP address of the sender of the packet before sending back the DNS reply. Therefore, after the attacker deceives the victim's IP address, he can send a large amount of attack traffic to the victim, and the ratio of attack traffic to request traffic reaches 100: 1. DNS amplification attacks such as these have recently been used by hacker activists, blackmailers and blacklisted website hosts with great success.另外就是《回家》书友群已经建好了。那就走吧，磨蹭什么。　　当年轰动一时的“透明人”又回来了，克利斯汀·史莱特主演，情节发展不温不火，故事节奏进退有补，重点场面的电脑特效并不逊色第一集多少，结尾的一场雨中决战乃片高潮，两个透明人之间的战斗极为精彩，关于这类的电影实属不多，本片正当值得欣赏。 　　That's called threshold …这些这片土地荒芜，正需要开发。　　在图恩城酒吧里，极乐公司总经理马文·艾克梅对女歌星杰西卡的表演十分倾倒。马文靠经营玩具致富，整个图恩城的地产权全都归属他公司的名下。埃迪从女友多洛丝那里借来相机，暗暗跟踪，偷拍下马文与杰西卡幽会的照片。当罗杰看到这些照片，不禁妒火中烧，借酒泄恨。谁知酒一下肚，他全身就像陀螺一样飞速旋转起来，歇斯底里地发作了一通。偏巧就在当晚，马文遭人暗杀。