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DDOS attacks mainly occur in the network layer. Its most obvious characteristic is to send a large number of attack packets, consume network bandwidth resources and affect normal users' access. At present, the detection and defense technology for DDOS attacks in the network layer is quite mature, and at the same time, some new attack methods-DDOS attacks in the application layer have emerged. Different from network layer DDOS attacks, application layer DDOS attacks mostly imitate the access behavior of legitimate users and will not generate a large number of attack data packets during data transmission, but they will consume server resources through a large number of database queries and other operations, which is more difficult to detect. According to the different attack modes, DDOS attacks include reflection amplification attacks in addition to ordinary flooding attacks. This type of attack often uses a legitimate server as a reflector, which sends a large number of data packets to the target, thus causing greater harm. At present, DDOS attacks against DNS servers are also common. Attackers often send fake domain names to DNS servers, consuming DNS server resources. At the same time, due to the recursive query mechanism in DNS servers, DDOS attacks against DNS servers have a large impact range.她忘了正是因为南雀国的人抢了岷州筹集给西北边关的军粮，她二叔才会获罪，张家也因此被人弹劾，才会被皇帝抄家。李信镇（朱镇模饰）在一间投资公司当企业猎人，专门压低目标公司的股价从而进行收购。而今次信镇的目标是姜恩雪父亲——姜杰浩（韩振熙饰）的酒店，这亦是他人生中唯一能打倒姜杰浩的机会，因为姜杰浩在信镇9岁的时候抢了他父亲经营的酒店，他父亲最后更自杀身亡。为了达成目标，信镇有计划地接近姜恩雪（李宝英饰），令到恩雪爱上了他。就在这场复仇游戏即将完结之际，信镇发现他已爱上了恩雪，故事由此展开 。Let's take a picture first to see the relationship between these 11 modes:End　　据悉，《我女朋友的男朋友》第二季将延续第一季无厘头欢脱的“扎心式虐狗”风格。三角关系的终极发展究竟如何，他们将如何演绎这一场人与机器人的循环相恋？三位主角即将在第二季遇到人生的“转折点”，整部剧也将迎来它最吸睛的高潮部分