unblock dns server

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DNS Server Setup (master, slave, Slow)

Primary DNS Server Setupbuild a domain name server that manages the hngd.com domain name on this machine1. Ensure that the following bind domain name servers are installed[[email protected] Master ~]# rpm-qa |grep ^bindbind-chroot-9.8.2-0.17.rc1.el6.x86_64bind-libs-9.8.2-0.17.rc1.el6.x86_64bind-9.8.2-0.17.rc1.el6.x86_64bind-utils-9.8.2-0.17.rc1.el6.x86_642. In th

LINUX Study Notes: DNS server settings

Article Title: LINUX Study Notes: DNS server settings. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Install and learn REDHAT LINUX7.0 half a month ago. As a newbie to Linux, I encountered some inevitable problems. By reading books and materials, viewing BBS, I tried t

Build a master-slave DNS server and explain important transfer and recursive attributes

Build a master-slave DNS server and explain important transfer and recursive attributes 1. The main function of allow-recursion is to allow recursive queries on hosts to prevent DNS servers from hanging up or wasting network resources. For example, only recursive DNS queries of hosts in the 1.1.1.0/24 network segment a

IP address, subnet mask, default gateway, DNS server knowledge detailed

Transferred from: http://www.cnblogs.com/JuneWang/p/3917697.htmlIn order to learn more about the TCP/IP protocol, recently read a lot of relevant information, collected and recorded as follows, for later use and convenient for you to learn:IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q: IP address, subnet mask, default gateway,

IP address, subnet mask, default gateway, DNS server detailed

PS: found a good article on the Internet, carried over, in case you can't find it later. At the same time the individual made a simple change. IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q: IP address, subnet mask, default gateway, DNS server, what is the difference? I k

Windows Server 2016 Smart DNS (i)

Speaking of intelligent DNS, as an IT staff is not unfamiliar, but is generally provided by third parties, rarely can be implemented locally, today we say can be implemented locally to configure the smart DNS solution, that is, Windows Server 2016 by configuring DNS Policy enables intelligent

Win2000 type of DNS server zone

There are two types of search zones in the DNS server for Windows 2000: Forward lookup Zones and reverse lookup zones. The forward lookup zone is used to process forward parsing, which resolves the host name to an IP address, and the reverse lookup zone is used to handle the reverse parsing, that is, resolving the IP address to the host name. Either the forward lookup zone or the reverse lookup zone has thr

Windows Server DNS Policy split-brain 3

In DNS management may encounter such problems, for example, a company's DNS is provided to the intranet users to resolve the use, but also provided to the public network users to resolve the use, but may not be used by the intranet users, or the public network users use a few, resulting in one party may only use a few records, However, they have to maintain a separate D

Using bind to establish a DNS server on Linux

Although Linux has not made noticeable progress in the world of desktop computing, it is already a small celebrity as a Web server. Thanks to its excellent reliability, we can safely run all the important service programs that are necessary for today's internet age on Linux. As a result, some of the most common uses of Linux include being used as mail servers, Web servers, and DNS servers. Here we'll look a

The erection of DNS server from server

1, the concept of universal Domain name resolution: If the user login mageedu.com, input error, input ww.mageedu.com, mageedu.com NS Server is unable to judge ww this domain name. So in order to prevent this error. The configuration of the NS server for a small web site can be defined in an item *.mageedu.com. To boot the user who entered the error can also access the site. But some of the big Web sites

Upgrading the DNS server to improve Internet speed

The speed of surfing the Internet, and DNS server domain name resolution ability is closely related, I hope the internet surfing smooth sailing, we must find ways to ensure that the DNS server efficient and stable operation. To do this, we only have the workaround, dig deeper, and be good at using some of the details o

The server is configured as the firewall, Nat routing gateway, DHCP, and DNS.

transaction with the client on this lease. this is probably the last time the client was renewed. FAQ Problem 1: inode authentication failure (connect failed) Solution: User Permissions? (Failed occurs when the Administrator uid is set to 0) Change uid back to 1000, or the reason for the inode's execution permission, change its execution permission, or change the owner and group? Disconnect and reconnect. Or restart inode and try again. Problem 2: inode connection timeout (overtime ). Solution:

Text configuration method of DNS server in RedHat Linux9/as3 (including subdomain implementation)

Author: syd168 15:09:18 from: Mr. Linux I. Basic DNS knowledgeAs we all know, in network communication, data links Use MAC addresses. The network layer uses IP addresses, and the transport layer uses port numbers, each of which has its own identification method. IP addresses are the most closely related to users. Each incoming computer (whether Internet or intranet) must have its own IP address to ensure correct inform

Domain registrar DNS server or for Web site stealth killer

DNS server is not unfamiliar to everyone, the site to do the domain name resolution to the corresponding IP address so as to achieve the purpose of resolution. Webmaster daily to do the station outside the optimization, select the site server and whether the DNS will become a hidden in the site behind the killer? The s

Linux Learning Notes < 26 >--dns Server

DNS (Domain Name System): Provides a mapping of domain-to-IP addresses on the InternetDomain name: Also known as hostname, FQDN (full qualified domain name fully qualified domainname)Basic information:The bind service is typically used in Linux to provide a DNS serverApplication Layer ProtocolBased on UDP53 port number: for queryingBased on TCP53 port number: for master-Slave

Daily improvement-DNS domain name resolution for Server Load balancer

转载请说明出处:http://blog.csdn.net/cywosp/article/details/38017027 在上一篇文章(http://blog.csdn.net/cywosp/article/details/38014581)中讲到了使用HTTP重定向来实现server的负载均衡,本文则解说还有一种实现server集群的负载均衡方案——DNS域名解析。 DNS(Domain Name System)是因特网的一项服务,它作为域名和IP地址相互映射的一个分布式数据库,可以使人更方便的訪问互联网。人们在通过浏览器訪问站点时仅仅须要记住站点的域名就可以,而不须要记住那些不太easy理解的IP地址。在

DNS Server Load balancer technology-a method that corresponds to multiple IP addresses for the same domain name

DNS load balancing technology is to configure multiple IP addresses for the same host name on the DNS server, the DNS server returns different resolution results for each query based on the IP address recorded by the host in the DNS

Steps for intra-enterprise DNS from the server architecture

From the setup of the DNS serverThe previous article has a schema procedure that says "Primary DNS server", and now, from the server's schema step, the IP address and server name of the master-slave DNS server are unchanged.Basica

Win2003 iis6.0 site cannot be opened, server or DNS error (connections_refused) _win server is not found

Unable to display page. The page you are looking for is currently unavailable. There may be a technical problem with the WEB site, or you may need to adjust your browser settings. A server or DNS error was not found. Ping can ping, Telnet 80 port also no problem. Look at the Httperror under LogFiles and find a lot of "36_connections_refused" error messages. Baidu searched the next "_connections_refused" t

IP address, subnet mask, default gateway, DNS server details

In order to learn more about the TCP/IP protocol, I have read a lot of relevant information recently and collected the following records for later use and convenience: What does IP address, subnet mask, default gateway, and DNS server mean? (1) Problem Analysis 001. Q: What is the difference between IP address, subnet mask, default gateway, and DNS

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