Unable To Open Connection To Server Host Does Not Exist

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China Domain name report: More than half of our domain name server is unsafe

The intermediary transaction SEO diagnoses Taobao guest stationmaster buys cloud host technology Hall August 26 news, the North Dragon Medium net carries the domain name registration management organization CNNIC to release the domestic first "China Domain Name service and the Security status report", "the report" shows that our country current domain name server total quantity nearly million, among them more than 50%   Domain name server is relatively insecure, and 57% of our important information systems have the risk of domain name resolution. The following is the "China Domain Name Service and security status report" Full text: report summary:-As of August 10, 2010, monitoring ...

Webmaster must read the server: The ultimate guide to defending against DDoS attacks

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall One, why to DDoS? With the increase of Internet network bandwidth and the continuous release of multiple DDoS hacker tools, DDoS attack is becoming more and more easy to implement. For commercial competition, retaliation and network blackmail and other factors, resulting in many IDC hosting rooms, business sites, game servers, chat networks and other network services have long been plagued by DDoS attacks, followed by customer complaints 、...

Novice webmaster: buy before the virtual host ten questions

(A) how to buy a virtual host, is to build a website novice one of the most frequently asked questions The following analysis will allow you to fully understand the current host market! The so-called virtual host (Virtual Host / Virtual Server), also known as virtual server or shared server, refers to the use of special hardware and software technology ,, in a server, the host can be virtual into 10, the same can be virtual into 100, and virtual host Each doubling of the number of placed ...

Practical techniques for Web-Dedicated server security (1)

Related Settings for IIS: Delete the default site's virtual directory, stop the default Web site, delete the corresponding file directory c:inetpub, configure the public settings for all sites, set the associated number of connections, bandwidth settings, and other settings such as performance settings. Configures application mappings, removes all unnecessary application extensions, and retains only asp,php,cgi,pl,aspx application extensions. For PHP and CGI, it is recommended to use ISAPI parsing and EXE parsing to have an impact on security and performance. User program debug Settings send ...

In simple terms DDoS attack defense - attack articles

1. DDoS Attack Basics The main purpose of a Distributed Denial of Service (DDoS) attack is to make the specified target unable to provide normal services or even disappear from the Internet. It is one of the strongest and most difficult to defend attacks. According to the way initiated, DDoS can be simply divided into three categories. The first category to win, massive data packets flocked from all corners of the Internet, blocking IDC entrance, so that a variety of powerful hardware defenses ...

The risk of domain name resolution in 57% important information systems in China

North Dragon in the network with domain name registration Management Agency CNNIC issued the first "China's domain Name service and security status Report", "Report" shows that China's current domain name server total of nearly million, of which more than 50% of the domain name server is relatively insecure, and China's 57% of the important information systems exist the risk of The following is the "China Domain Name Service and security status report" Full text: report summary:-As of August 10, 2010, monitoring to the World Domain name server total of 16,306,432, which authoritative domain name server 2,903,55 ...

SEO Novice Must SEE: 5 tools to optimize the site

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall in the website design, in addition to the visitor's browsing experience, the Search engine optimization (SEO) is also very important, it is advantageous to the search engine crawls the webpage, in order to enhance the website the traffic, this for now also relies on the search engine to bring the traffic   and reasonable use of SEO tools, can make optimization work with less effort.   First, find the "root of the root" for the website to do an online experience Objective: To conduct a comprehensive inspection of the site to facilitate targeted optimization. Although the website seo more and more ...

On the history of Internet development from the technology of famous websites

In recent years, with the continuous innovation and development of the Internet industry, batch after group of websites or be eliminated or stand out, for those successful websites, most of them already exist nearly 10 or more than 10 years, in such a long period of development, in addition to the business facing the challenges, Technically, it's also a lot of challenges. The following selected Alexa rankings of the previous site (ranking up to April 21, 2012, by analyzing how they are technically coping with the challenges of business development process, to a deeper understanding of the development of the Internet industry in recent years. ...

Share a website SEO program

Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall spent a few hours of time on the Phantom of the site structure and content of the analysis, and to solve the problem proposed solutions, hope to be adopted.   This scheme includes the Magic color SEO problem analysis, the concrete problem solution, some key words analysis. 1. Web pages are all the same heading 2. The label did not make full use of 3. The Web page link structure is unreasonable, the website lacks the correlation. 4. Web page text editing does not take into account the SEO factor 5. The picture link does not have the reasonable description ...

Webmaster Network Edit Straw The apology statement about the 92-rent event

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest stationmaster buy cloud host Technology Hall I am very sorry, because my negligence damage" 92 together rents "the prestige, when I read" 92 together rents "All the chats that the supervisor sent me, I know about the whole thing." I am sorry, to 92 of all the members of the rental network solemnly say: I'm sorry! ...

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