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.
Continue tomorrow! Everyone remember to finish the meal
《超人和露易丝》续订第二季
2029
于老乐（刘佩琦饰）说服儿子住进了幸福里养老公寓，跟好朋友重新成立了他们年轻时候组建的乐队，乐队不仅给养老院里的老人们带来欢乐，也为他们老有所为找到了途径。在养老院跟老人们的相处中，于老乐给幸福里的老人们带来快乐的同时也帮他们解决了不少麻烦。于老乐他们不仅实现了老有所乐、老有所为，同时也做到了老有所爱。于老乐找到自己的初恋情人白如雪，并跟白如雪圆满的举行了他们年轻时候就梦寐以求的婚礼。本剧在写老年生活的同时，表达了衰老的本质只是人机体的老化，而不是精神上的衰败，人到老年，只要精神不衰，年龄永远不是障碍。
A device with a firewall or proxy can buffer SYN flooding attacks in the network in two ways, one is to disguise SYN-ACK packets for the connection initiator, and the other is to disguise ACK packets for the server [5].
【大酒店】是一间家族酒店，已有个20多年的历史，由一个喜欢游戏人间的老寡妇掌管，老寡妇把生意交给了大女儿Miss Seto（李锦梅饰演）主持，Miss Seto 与妹妹 Rainbow（郑秀珍饰演）、弟弟 Ah Boy（林伟文饰演） 和弟妇 Lychee （杨莉冰饰演）一起管理这家酒店。 由于管理不当，导致酒店业务下降，使得拥有 5l％股权的沉睡生意伙伴苏醒了，决定接管管理层。 这个家族便是Emil与Sunny两兄弟。两人加入酒店后，Emil（陈之财饰演）为酒店进行大改革，开源节流，搞得人心惶惶！这也使得 Miss Seto 等人对 Emil 和 Sunny （陈汉玮饰演）非常不满，常与他们作对、处处唱反调，开始一场“明争暗斗”。
As you can see from this, that UDP socket maximum is limit to 25 by default, but can be modified by the system attribute ("sun.net.maxDatagramSockets").
讲述了女大学生章天音与其隐形男友苏子相识相知相爱的故事，在他们相处和相恋的过程中，章天音母亲被害的真相以及苏子自身二十多年的隐秘都渐渐浮出水面。
本片根据取材自光州事件的韩国同名网络漫画改编。
《胜女的代价2》是冠军收视剧《胜女的代价》姊妹篇，是“胜女”系列的第二部。故事讲述了一对双生姐妹花遭到调包从而产生人生错位、爱情错位的故事。母亲夏萍因女儿患先天性心脏病无力负担医药费用，在医院为救女儿一念之差将女儿调包进方家，从此与女儿失去联系。方太太舒语希将此女当做方亦菲 的异卵双胞胎妹妹抚养长大。方亦菲交往了出身平凡的华天齐。舒语希介意天齐的出身用计让两人分手，改让亦菲与门当户对的康杰订下婚约，而康杰爱的人却是亦萱。就在亦菲决定要跟天齐远走高飞时竟意外遭遇车祸。此时舒语希发现穆小妍和方亦菲长相相同，便以小妍的母亲夏萍的医药费为交易条件要穆小妍冒充方亦菲来继承自家的事业。不知情的华天齐以为亦菲为利益背叛自己而决定报复她，却难忘旧情，再次爱上她。病重的夏萍思念女儿道出了当年的调包的事情，骄纵的方亦萱因此变得自闭敏感，康杰默默守护她。亦萱见到病重的母亲并与她相认，舒语希也难舍养育之情。穆小妍和方亦萱开始了拥有两个妈妈的生活，夏萍在两个女儿的照顾下渐渐恢复，两个女儿也各自收获了爱情。
/curtsey (woman, curtsy)
赞一个，别的不说，这赵敏的形象绝对符合原著。
I believe everyone already knows something about click events, then let's introduce three important methods of event distribution mechanism. The distribution mechanism of click events is completed according to these three methods: dispatchTouchEvent (), onInterceptTouchEvent () and onTouchEvent ().
First of all, there is a select selection box on the page, then there is an input box for the input purchase quantity, and there are also two display areas, namely, the display area for the selected color and the input quantity, and the next button operation.
But in that case, Not even considering so many dangers, This performance of '74 spray' is of great use, I remember there were 4 '74 spray' on the position at that time, There are two recruits who operate them. Two veterans, Both veterans were squad leaders, All have the skills of air injection, Facing the big wasp descending from the pavement, The two of them were obviously forced to hurry, Take up the '74 spray' and aim at the position where the big wasp is relatively concentrated in the sky and spray it out. If it weren't for the critical situation at that time, the two squad leaders would definitely not have this kind of "dangerous operation", while the other two recruits watched the veterans take the lead and learned to do so. Although they had not received relevant training and the accuracy of spraying was not as good as that of veterans, they finally sprayed out and did not hurt themselves or other comrades in arms.
CloudFlare is a free CDN service and offers a firewall, highly recommended. I would also like to thank @ livid, the webmaster of v2ex.com, for his enthusiastic help. I am using their CDN products now.
郑氏用手摸摸小儿子脑袋，微笑道。
