Dns

Since January 21, 2014 around 15 o'clock in the afternoon, a large number of Internet domain names around the world DNS resolution at the same time there are problems, some well-known sites and all non-existent domain names, are the wrong resolution to point to 65.49.2.178, such a result of a large number of Web sites can not be accessed. According to the statistics, the incident affected more than hundreds of thousands of websites. 　　caused huge economic losses, so far no organization has claimed responsibility for the incident! Microblogging summary @ Zhang Likun Weibo: Multiple recursive servers (1.2.4 ...)

Bind is a popular DNS server software, and the latest version is bind 9. The Internet Systems Association (ISC), which manages and maintains bind, warns that the BIND 9 DNS domain name server is suffering from a coordinated denial of service attack, which may have an unknown 0day vulnerability. Warns that a DNS domain name server crashes while executing a query, and returns an error message "Insist (! dns_rdataset_isassociated (Sigrdataset))". Multiple versions of BIND are subject to ...

"Task Analysis and Requirements"  this task is to achieve the primary DNS service, assume the network of DNS http://www.aliyun.com/zixun/aggregation/11632.html ">24 hours 24x7 service, so configuration and management are the core  Master the installation and implementation principle of DNS under Linux  Master DNS service configuration and detection method "software and hardware Environment"  Use virtual machine and real host combination of the training environment  in the VMware Virtual machine system installed R ...

Dnscrypt-proxy is a DNS proxy between ordinary clients, similar to the dns5603.html "> Cache" or a stub parser for an operating system, or a DNSCRYPT data parser. The DNSCRYPT protocol focuses on ensuring secure communication between the client and its parser, providing a DNS confidential query function. Dnscrypt-proxy 0.9.4 This version of the TCP port switch has been removed, the other port parser can now be specified to the-parse port and a new ...

Dnscrypt-proxy is a DNS proxy between ordinary clients, similar to the dns5603.html "> Cache" or a stub parser for an operating system, or a DNSCRYPT data parser. The DNSCRYPT protocol focuses on ensuring secure communication between the client and its parser, providing a DNS confidential query function. Dnscrypt-proxy 0.9.3 This version now supports UCLIBC based systems such as iOS and Win32. Software Information: HTTPS ...

September 5 News, according to foreign media reports, including Microsoft, Acer, Vodafone and other foreign more than 200 large Web sites were attacked by Turkish hackers, Web site DNS entries were tampered with and jump to a Turkish website. From the approach of the attack, security insiders suspect that the same group of Turkish hackers who attacked a number of South Korean websites last month. A total of more than 200 large websites, including Microsoft, Acer, Vodafone, UPS.com, theregister.co.uk, and a number of South Korean websites, have been attacked, some sites have been breached, and others have ...

Adsuck is a small http://www.aliyun.com/zixun/aggregation/33842.html ">dns server that hides the forwarding information for blacklist addresses and all other queries. This server can prevent bad connection to the website, such as Ad Server, web crawler, etc. It can be used on a native or network, in order to protect the connection of malicious Web sites on the local machine. Adsuck 2.4.1 This version updates the Hosts file, switching from CVs to Git. ...

May 19 21:50, Jiangsu, Anhui, Guangxi, Hainan, Gansu, Zhejiang and other six provinces users reported to visit the Web site slow or inaccessible, the current six provincial network has returned to normal. May 20, the Ministry of Industry and Information Technology Communications Security Bureau convened the National Computer Emergency Management Coordination Center, Telecommunications Research Institute, China Telecom Group, Storm audio and video and so on to participate in a tight meeting, after the identification, the accident is due to the DNS domain name resolution fault, network failure caused a number of Web sites are affected, Because of the large number of users, resulting in traffic to the Internet caused a certain burden, this ...

Resource records are DNS database records that are used to reply to DNS client requests, each http://www.aliyun.com/zixun/aggregation/33842.html "> The DNS server contains all the resource records for the DNS namespace that it manages. A resource record contains information about a specific host, such as the IP address, the type of service provided, and so on. The following detailed explanation in the Ubuntu system DNS commonly used command operation: DNS resolution ROOT@UB ...

December 4 Afternoon News, Internet application Service provider new network failure today.　　According to the new Network Customer Service Center Notice, preliminary judge the new network DNS server attacked, technical department is urgent processing. According to new network users reflect that today's new network suddenly failed to cause many Web sites can not be accessed.　　According to the new Network customer service center mail shows that the current part of the domain name resolution failure, the initial judgment is the new network DNS server attack, the current new network technology department is urgent treatment, new progress will be kept informed. June 20 this year, the new network server also failed. New network ...

This guide is for people who want to learn how to configure and maintain a http://www.aliyun.com/zixun/aggregation/33842.html ">dns server, for example, for a network or DNS zones (DNS domain) Domain Name Service, BIND9 is already included in the Ubuntu core library, and BIND9 does not need to enable additional libraries. Before we begin, you should be familiar with Rootsudo. ...

Dnscrypt-proxy is a DNS proxy between ordinary clients, similar to the dns5603.html "> Cache" or a stub parser for an operating system, or a DNSCRYPT data parser. The DNSCRYPT protocol focuses on ensuring secure communication between the client and its parser, providing a DNS confidential query function. Dnscrypt-proxy 0.7 This version is the first release. Software Information: https://github.com/opendns/...

DNS records require you to go to your domain hosting provider to set up or manage your own http://www.aliyun.com/zixun/aggregation/33842.html ">dns server." Many domain name trustee does not support TXT record or does not support Dkim record, so you cannot use SPF and dkim function. DNS changes will take more than 48 hours to take effect. Domestic million network is not support Dkim, the current new network is to support SPF and dkim ...

Eagle DNS is a http://www.aliyun.com/zixun/aggregation/17547.html "> powerful, multi-threaded and standalone platform DNS domain name server." It is based on the Dnsjava API with flexible pluggable parsers and plug-ins. Eagle DNS version 1.1.2 Fixes a null pointer problem in configuration resolution code. Software Information: Http://www.unlogic.se/projec ...

May 21 Morning News, the yesterday caused a number of provincial network fault attacks have risen to the judicial level, the main attack of the domain Name Service provider Dnspod said in the Ministry of Public Relations to the requirements of the Department of the report, will be held responsible for the major failure of legal responsibility.　　The night before yesterday, because the Dnspod company 6 DNS domain name resolution server was attacked paralyzed, causing its service object, such as Storm audio and video site users submit access can not find the correct server, a large number of accumulated access to the network burden of telecommunications networks, resulting in network paralysis. The network paralysis involves Jiangsu, Anhui, Guangxi 、...

Because the FBI (hereinafter referred to as "the FBI") today will close the botnet behind the Dnschanger Trojan, so infected computers will be forced to break the network. As of Wednesday, around 250,000 computers infected Dnschanger Trojan horse, the United States has about 45600 units. The Trojan will change the user's DNS settings by routing traffic through a botnet. As the FBI and other law enforcement agencies have controlled the botnet behind Dnschanger, they temporarily use it as a temporary DNS server network to ensure that infected users can continue to ...

NOC is an operational support system (OSS) that can be used for http://www.aliyun.com/zixun/aggregation/17385.html "> Telecommunications companies, service providers, and enterprise network Operations Centers (NOC). The areas that NOC can cover include fault management, performance management, service activation/provisioning, Knowledge Base, MULTI-VRF address space Management (IPAM), multi-vendor configuration management, DNS configuration, Peer-to-peer Interoperability management, RPSL and BGP filtering ...

Absrtact: 11.22 days I have the honor to participate in Beijing Baidu Salon, in this salon Baidu Lee repeatedly stressed: the site quality system construction. The author has the following interpretation, to facilitate the rapid growth of small and medium-sized enterprises. A: System One: Website Quality preliminary analysis, we think 11.22 days I was fortunate to participate in Beijing Baidu Salon, in this salon Baidu Lee repeatedly stressed: the site "Quality system" construction. The author has the following interpretation, to facilitate the rapid growth of small and medium-sized enterprises. A: System one: The quality of the initial analysis of the site, we think that the minimum include: web domain DNS party ...

Ispconfig is an ISP server management program and host Control Panel. It uses the Web Control Panel to manage your http://www.aliyun.com/zixun/aggregation/17117.html ">web servers, e-mail servers, BIND DNS servers, PROFTPD + VSFTPD FTP server, MySQL database, SpamAssassin, and an easy for administrators, distributors and customers ...

Absrtact: September 5 News, according to foreign media reports, including Microsoft, Acer, Vodafone and other foreign more than 200 large websites were attacked by Turkish hackers, Web site DNS entries were tampered with and jump to a Turkish website. According to the modus operandi of this attack, Ann September 5 News, foreign media reports, including Microsoft, Acer, Vodafone and other foreign more than 200 large Web sites were attacked by Turkish hackers, Web site DNS entries were tampered with and jump to a Turkish website. From the approach of this attack, the security industry ...