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Return new MyIterator (this);On the one hand, the core components of the network infrastructure have never changed in the past ten years, which makes some discovered and exploited vulnerabilities and some mature attack tools have a long life cycle and are still valid even today. On the other hand, the rapid development of the application of the Internet seven-layer model has diversified the attack targets of DDoS. From the web to DNS, from the three-layer network to the seven-layer application, from the protocol stack to the application App, the endless new products have also given hackers more opportunities and breakthrough points. Moreover, DDoS protection is a project with unequal technology and cost. Often, the construction cost of a business's DDoS defense system is larger than the cost or benefit of the business itself, which makes many start-up companies or small Internet companies unwilling to make more investment.年轻的乔傲天（马国明饰）出身寒微，父母早逝，只身于上海十六铺当水果店学徒，但恶势力当道，傲天为挣扎求存，决以拳头打出一片天，并与啸山不打不相识，二人旋即称兄道弟，以一人献谋、一人动武之策，合力于上海滩头打出个小名堂。Alice arrives unannounced at her estranged brother Ethan's house in an attempt to reconcile, but bizarre visions, the return of his strange girlfriend and Alice's paranoia and suspicion force the siblings to cling onto reality amidst mysterious circumstances.四十岁的银行抢匪杰克佛里犯案累累，他是名符其实的江洋大盗，不过他却运气不佳，老是因为车子出问题被抓，不是电池没电就是引擎着火，总而言之，他就是霉运当头。现在他又得面对三十年的刑期，可题这次他不想坐牢，他打算逃狱，干一大票，然后退隐江湖。如果这话是从西楚霸王项羽口中说出来，那么一点也不奇怪。