Describe Dns

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest stationmaster buy cloud host technology Hall first to explain what is Dns,dns's full name is domain name Ser ver or domain name System, the Chinese translation should be a domain name resolution server. is a core service of the Internet, which can map domain name and IP address to each other.

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 ...

In previous articles and reports, we can know the secondary domain controller, the installation of his role is not to say that when the primary domain controller failure (such as suddenly when the machine), he is not able to complete the role of the domain controller, here is a operation of the concept of master, the following is a brief overview of Operation Master: Operation Master ( FSMO), also known as the operations Master (OM), is one or more special DCs in AD to perform certain special functions (resource identifier SID allocation, schema modification, PDC selection, etc.). 1, the operation of the main control of the classification base ...

Imagine a network virus infected by a common computer connected to the network, the corresponding system of the virus is likely to be transmitted over the network to other computers on the LAN. Such mutual transmission, infection, the entire network is bound to be the network virus serious attack, at this time the security of the network is naturally destroyed. To ensure network security, access to the network must be properly controlled to ensure that ordinary computers can be trusted to connect to the local network and access the Internet. So which ordinary computers can be trusted? Here, we can force ordinary computers ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall construction website before the market analysis: The General stationmaster, is not the network constructs the station the expert, this causes the same construction station, the different result. So, have a good idea, for it to pay action (this I do not doubt like my webmaster), sincerely said: "Do not do the market before the station analysis, the final results can be imagined." Perhaps a lot of webmaster will say, I saw some aspect of the network is blank, is the hands of the late, depressed or regret ah. I think: there is nothing, a valuable site in the service ...

Absrtact: Feng Dahui (fenng) has shared a story about hackers in his micro-credit public accounts, which is a legendary novel style, which many people have read before expressing their belief. Fenng to this comment: "People questioned may not be ignorant, but things Feng Dahui (fenng) in its micro-letter public account" gossip "on the share of a" hacker "story, the article is quite legendary novel style, many people read after said" Can't believe. " "The people who are questioning may not be ignorant, but things are more than they know," Fenng said.

Every time I talk to developers about migrating applications to the cloud, there are two major issues around. First is the business. What economies of scale can be brought about by migrating applications to the cloud? Then there is the security issue. "How secure is the cloud, especially Windows Azure?" What advantages can Windows Azure offer? What do I need to do to keep the application secure? "There is also a tacit question:" How do I make the user experience with the cloud as smooth as using an in-house deployment application? "As a ...

Dong Xin: Ladies and gentlemen, good afternoon, welcome to the Hello Cloud architecture of the sub-forum, I am sure that many of you have participated in the morning meeting this afternoon in the Cloud Architecture forum, where they sat together to discuss how to put the cloud's vision, how to put the big data to the final landing, how to make our calculation , our storage, our network, can be better integrated and played in the era of cloud application architecture change. So we are also very happy today to invite experts in the industry, corporate executives, including our customers and our partners, so here I also represent super ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall site loading speed is the impact of SEO effect, which has been mentioned in many articles, in fact, the reason is very simple, When you load the page faster, search engine spiders will crawl to more URLs in the same time, grab more, included on more, natural, traffic will be promoted, on the other hand, the loading of the page ...

China Internet Association 2006 the first China Anti-Spam survey showed that from November 2005 to March 2006, the proportion of spam received by Chinese Internet users rose from 61.53% to 63.97%, up 2.44%, well above the last survey of 0.9%. Chinese netizens have received an average of 19.33 spam messages a week, up 2.08 from 17.25 a week in October 2005. Junk mail is getting worse! In the face of these disgusting spam, we lose more than just ...