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1. Defensive Foundation 1.1. Attack Traffic in the End How DDoS Talk about defense, the first is to know in the end suffered much attack. This question seems simple, in fact, there are many unknown details in it. Take SYN Flood as an example. To increase the sending efficiency, more SYN wait queues are generated on the server. When the attacker populates the header, the IP header and the TCP header are not filled with optional fields, so IP ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall "The guidance" the website analysis is still new, therefore, our understanding to her may have various deviations. This article summed up in my work found a variety of easy to appear on the site analysis of the misunderstanding of the understanding. This is part two, and this part will go into some more detailed areas. 　　The first part please see: Web site Analysis of the ten misunderstandings and alternate (a) "text" We continue to talk about the common mistakes in website analysis. Misunderstanding six: The higher the Bounce rate, the worse the page quality ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnosis Taobao guest Cloud host technology Hall effect demo: http://www.59seo.com.cn/dmys/ Wangyeyd.html recently used the Google site navigation function, found on its web page can be clicked "up" or "Move Down" to adjust the location to facilitate users read ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall This article mainly discusses several common causes of the page high jump rate. What is the bounce rate? What is jumping out? I think it's no longer necessary to explain, the bounce rate has always been a very popular indicator. It is used to measure how much traffic matches the content of the site. In the words of AK, I came to your website, saw the first page after I vomited, and then I went. This is just a jump out of the interview. When there are too many visitors to see the first page of your site after leaving, you will see higher jump ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Pjblog is one of the most powerful and best blogging programs I have ever tried. But any program is not set for you to build, such as Windows, after installation you have to do a lot of configuration work, Pjblog also. The contents of this article for my site in the process of personal encounter problems or other fans ask more, those who click a few mouse can find the settings will not mention. 01. Change the default Cookie,appl ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Internet everywhere the attack software, the attacker does not need to the network protocol Deep Understanding Foundation, may complete such as changes the Web website homepage, to take the administrator password, destroys the entire website data and so on the attack. 　　The network layer data generated during these attacks is no different from normal data. Many people believe that the continuous deployment of firewalls in the network, Intrusion Detection System (IDS), intrusion Prevention system (IPS) and other devices, can improve the security of the network. But why an application based attack ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Hello, Sidney, likes your blog very much, introduces the information and the sharing experience at the same time, gave me to continue diligently the confidence! Based on what you said in your blog, "WA is not sure to understand the mathematical statistics and web programming, I would say-better understand some." I have a problem that has plagued me for a long time and is here to consult you. In the Internet industry in fact, many people have not studied computer science, for example, I was learning English: (I am a do mar ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall Google Anlytics Analysis code is asynchronous loading, generally will not affect the performance of the Web page, but the technical department of the Web page performance report always mentions the state of Ga.js as aborted, indicating that GA although asynchronous tracking, but in some cases to Web page performance and load time do have an impact. Does Google Analytics code affect Web page performance? is local hosting ga.js feasible? This article provides the basic idea of the local server hosting ga.js ...

With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall once a friend asked me how to judge a seoer is not a master. I had an idea, and advised him to ask that seoer is not aware of Lynx in the SEO application method. 　　So to ask questions, in fact, can reflect from a side of this seoer SEO research how deep. Now se ...