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From the defender's point of view, this type of attack has proved (so far) to be very problematic, because we do not have effective methods to defend against this type of attack. Fundamentally speaking, we do not have an effective way for DNN to produce good output for all inputs. It is very difficult for them to do so, because DNN performs nonlinear/nonconvex optimization in a very large space, and we have not taught them to learn generalized high-level representations. You can read Ian and Nicolas's in-depth articles (http://www.cleverhans.io/security/privacy/ml/2017/02/15/why-attaching-machine-learning-is-easier-than-defending-it.html) to learn more about this.Suppose the attacker is in an "interconnected" network (e.g. An Autonomous system? System), whose ISP restricts the input and output filtering of the attacker's network traffic, will be able to prevent this spoofing attack-if this method can be deployed to the correct location by the organization. This defense method of traffic input and output filtering will restrict some legitimate communications, such as the mobile IP triangular routing operation mode, so it cannot be widely deployed. IP Security Protocol (IPsec) also provides an excellent way to resist spoofing packets, but this protocol cannot be used due to deployment restrictions. Since it is usually impossible for the server side to require the ISP of the link initiator to implement address filtering or require it to use IP security protocols, more complex solutions are needed to resist this spoofing attack disguised as multiple addresses, which will be discussed later.吴凌珑再次听到儿子的声音，浑身一阵激流划过，再也无法压抑情感，泪如泉涌，开门喊道：儿啊。主人公的男高中生住在东京都东京，与他的儿时朋友博多顿子（Donko Hakata）团聚，他从博多转来。 博多方言＆博多爱donko毫不犹豫地介入自己，起初是一个混乱的京都，步调不安，但是使初恋初恋的〜“神爱恋喜剧”接着，又继续介绍余下诸人，或书法或诗词或经学文章，无一不具才名，以前都有耳闻，只想不到出自周家。如今大小姐就住在京城。《心脏地带》是一部加拿大电视剧，于2007年10月14日在加拿大广播公司电视台首播。该剧是根据劳伦·布鲁克的《心脏地带》书籍改编的。2008年3月7日，加拿大广播公司宣布该剧将重播第二季。2009年1月20日，该剧官方网站上的心脏地带博客宣布该剧已续播第三季。。。