Public Dns Query

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Expert advice: 10 Ways to protect the DNS server

DNS software is the target of hackers ' passion for attack, which can bring security problems. Here are some of the most effective ways to protect http://www.aliyun.com/zixun/aggregation/33842.html ">dns servers." 1. Using a DNS forwarder DNS forwarder is a DNS server that completes DNS queries for other DNS servers. The primary purpose of using DNS forwarders is to mitigate the pressure of DNS processing by transferring query requests from DNS servers to forwarders, from DN ...

Several effective ways to protect DNS servers

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology lobby DNS software is the target of hackers keen to attack, it may bring security problems, in the network security protection, DNS security is particularly important. This paper lists four effective methods to protect DNS servers with relevant data and experience over the years.   For the reader's reference. 1. Use DNS forwarder ...

DNS is like a phone book or address Book

The threat of information security is quite extensive, hacking, server or employee computer malware infection, confidential data theft is only a few of the common ways, however, the current enterprise it in day-to-day operations, the more fear but also can often face the threat is distributed service blocking attacks (DDoS), Because once your external network, application server suffers from such attacks, it will not function properly. It is recommended that the webmaster use the DNS service provided by domestic professional services, such as Dnsdun, to ensure the stability of the site analysis. DDoS attacks are not these ...

Vulnerable DNS, already locked into a major network attack target

Summary: The threat of information security is quite extensive, hacking, server or employee computer malware infection, confidential data stolen, but only a few common ways, however, the current enterprise it in day-to-day operations, more fear but also may be the threat of information security on the face of a wide range of hackers, Server or employee computers are infected with malware, confidential data is stolen, but only a few of the common way, however, the current enterprise it in day-to-day operations, the more fear but also can often face the threat is distributed service blocking attacks (DDoS), because ...

Emergency bulletin on the risk of serious security vulnerabilities in DNS systems

Intermediary transaction SEO diagnosis Taobao guest owners buy Cloud host technology Hall National Computer Network Emergency Technology Processing Coordination Center on the risk of serious security vulnerabilities in DNS system Emergency Bulletin: Security Bulletin: cn-va08-05 Release date: July 24, 2008 Vulnerability Type: Fraud Vulnerability Assessment: Important Security level: Level Three exposure: Public vulnerability Description: 20 ...

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 ...

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 ...

How to distinguish the different man-made network faults in the domestic Internet environment

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall is well-known, in the domestic Internet will encounter a variety of different man-made network failures, so that we can not normally visit many websites. However, because many people are not familiar with the network, many times will not be able to distinguish between different network failures, resulting in clearly network failure, but that is a server failure, or obviously a server failure, but it is considered a network failure situation.   I think it is necessary to explain the characteristics of different network failures, and how to differentiate them and solve them. In the domestic Internet environment, we often encounter ...

The resolution of the CN domain name is stopped after the record cancellation

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall in the domestic registered domain name by default is the domestic domain registrar provider of DNS server,   Domestic DNS servers may be affected by policy to stop the resolution of domain names, the network on the legend after the Beian domain name will not be resolved. In order to avoid these domestic policies, it is recommended to use foreign Domain Name service ...

Case report: The first hijacked domain name case in China broke

Domain name hijacking refers to the use of some means (illegal and possibly legal) to change the domain name owner for the domain name set by the IP address. For example, Microsoft's domain name www.microsoft.com under normal circumstances should be corresponding 207.46.20.30 this IP address, 207.46.20.30 this IP address is Microsoft to domain name www.microsoft.com set IP address. But if Microsoft is attacked by domain name hijacking, then Www.micros ...

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