In the process of DNS resolution, the client initiates a query request, and the DNS server may need to make additional queries to complete the resolution process and give a response, which will consume certain computing and network resources. If an attacker uses a large number of controlled hosts to continuously send resolution requests for different domain names, the cache of the DNS server will be continuously refreshed, and the failure of a large number of resolution requests to hit the cache will cause the DNS server to consume additional resources for iterative queries, which will greatly increase the resource consumption of the DNS server.
They often quarrel, I can't care about one thing and lose another, otherwise I will suffer. Especially during the New Year, it was the end of my world.
这次，名作名篇们以动画的形式来展现其魅力，脱离了文字，跃然于频幕前，以富于想象力的画面和色彩来还原小说中的故事。系列故事的声优均由堺雅人担当。让我们跟随堺雅人的声音，进入到不可思议的文学世界中去。
After we have modified the rule, if we want the modification to take effect permanently, we must use service iptables save to save the rule. Of course, if you misoperate the rule but do not save it, then after restarting iptables with the service iptables restart command, the rule will return to the same appearance as it was when the/etc/sysconfig/iptables file was last saved.
美宝被男友抛弃后自杀未遂，巧遇中学同学海伦，海伦将她收留，并照顾、帮助她。然而，美宝却恩将仇报.
讲述了麻石老街上第二、三代住户赵钱孙李四家的生活故事。
当然了，月下知道自己这个是最笨的方法，其他的作者肯定不会用这种傻办法的。
Last week, the Shanghai Municipal Government and Xiaomi Group signed a strategic cooperation framework agreement in Shanghai. The latter will lay out financial technology, Internet of Things and industrial design businesses in Shanghai. Its newly-built innovation center will also be located in Xuhui Binjiang, focusing on the construction of Xiaomi Financial Headquarters, Xiaomi Internet of Things Headquarters and Xiaomi Industrial Design Center.
本片讲述俄罗斯空军研制成功了“苏-35”型列战斗机，它具有最先进的技术和最卓越的功能，引起了国内外广泛的关注，其中也包括了恐怖分子，本片的主人公是一位出色的战斗机飞行员，他驾驶着最新型的苏式战斗机与他们展开战斗，为俄罗斯空军立下了汗马功劳……
一名拥有隐形能力的少年被一个不入流却又想称霸附近街区的混混拖下水，并结识了一位神秘的艺术生。
There was a sentence in the interview that made me very heartache:
On personal computers, there are five most commonly used operating systems: DOS, Windows, Unix/Xenix, and OS/2. DOS System-In the 17 years since its inception in 1981, DOS has undergone 7 major version upgrades, from version 1.0 to version 7.0 now, continuously improving and perfecting. Windows System-Windows is the first generation of window visual interface published by Microsoft in November 1985, which makes PC enter the so-called GUI (Graphical User Interface) stage. Unix system. Unix systems were initially used on small and medium-sized computers. Unix is a multi-user system, which generally requires more than 8M of memory and a large capacity of hard disk. Linux system-Linux is the largest free software in the world at present. It is an operating system with functions comparable to UNIX and Windows and has complete network functions.
③ Distribution
真正的商贩不是卖商品，而是卖品性。有人卖自己的知识，有人卖自己的劳动，有人卖商品。从这个意义上来讲，无论卖什么，谁不都是商贩？那么，成功的商贩和失败的商贩之间有什么不同之处？
The hardware of the cleaning equipment has a special network processor chip, a specially optimized operating system and TCP/IP protocol stack, which can handle very large traffic and SYN queues.
影视简介王初一与刘十五马上要结为儿女亲家，却因为药材联合社诚信经营的事儿剑拔弩张。十五的毁约令初一损失惨重，赔款、退婚、上门女婿也趁机闹起了分家。而十五也没想到一时的见利忘义竟引得妻离女散，两家自此反目。离婚后的十五另立山头，与初一正面交锋，药王村随之掀起一场轩然大波。初一刚要应战不料也后方吃紧：儿子大力要带十五女儿姗姗进城创业；年轻时的恋人如梦讨债上门，自己纠缠在两个女人之间焦头烂额。而笃信在商言商的十五也遇到了大麻烦，险些被不讲诚信的合伙人坑得倾家荡产。危难之时初一伸出援手，十五汗颜。大力、姗姗的婚礼如期举行。一对老冤家也冰释前嫌，药王村一副花繁叶茂的绚丽图景跃然眼前……
该剧讲述了我国海军为抵御外来潜艇的屡次侵犯，火速制定“T计划”搜罗人才，为正在研发的新型潜艇培育指挥型军官的故事。潜艇是国家的战略利器，也是国家安全的重要保证。面对X国攻击潜艇“黑鲨”的屡次侵犯，海军火速制定“T计划”，展开全国特招，为正在研发的某新型潜艇培育指挥型军官。一群90后大学生经过层层筛选，进入这个神秘的潜艇世界。他们在超乎寻常的严苛训练里，从懵懂的新兵，成长为肩负国防重任的铁血军人，驾我军新型潜艇深海潜航，一次次驱赶了X国的“黑鲨”级潜艇的侦察和骚扰，保卫我国领海安全。在我党强有力的领导下，让敌人闻风丧胆。他们历经生死考验，用生命和鲜血为我万里海疆筑起了一道移动长城，实践了血洒海疆的“重剑”精神，捍卫了“听党指挥，生死与共，永不沉没”的不朽誓言。
《育儿大作战》是一档大型家长成长类节目。明星嘉宾，育儿专家，情感专家汇聚，由李湘担任主持，袁成杰、陈芊芊、杜若溪、邓莎、郭晓敏、曹曦文、杨云等明星以及国内一线育儿专家组成育儿帮帮团，每期通过对两组家庭存在的问题进行探讨，共同解决真实的育儿家庭问题。
人，我觉得能成事。
