the proxy server, the proxy server directly sends the buffered content to the user. If there is no buffer, a request is sent to the WEB server first to retrieve the data, and then the local cache is sent to the user. This method reduces the number of requests sent to the WEB server and the load on the WEB
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
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
Many enterprises have set up a number of Web sites to meet the needs of employees, in order to save money, these sites usually use the virtual host technology, that is, on the same server to set up multiple sites, employees use level two domain names to access these sites. However, the workload of maintaining these level two domain names is very high, but we can solve this problem by using a generic domain name resolution technique, so that support fo
Tags: cache tin image TAB manage exp Res try LookupDns_bind_ forward and reverse domain name resolutionBind Service supports TSIG Secure encryption transfer mechanismDNS domain name resolution service for resolving domain name and IP address correspondence Serviceforward parsing: Based on the domain name lookup corresponding IP AddressReverse parsing: based on IP address lookup for the corresponding domain nameDNS structure Model:however, depending on the number of
Many enterprises have set up multiple Web sites to meet the work needs of employees. To save costs, these websites usually adopt the virtual host technology, that is, building multiple websites on the same server, employees use second-level domain names to access these sites. However, it takes a lot of effort to maintain these second-level domain names, but we can use wildcard domain name resolution technology to solve this problem, you only need to s
Install DNS ServerInstall DNS ServerI believe that everyone familiar with the Internet should know the role of DNS server. DNS is closely related to our daily online life.DNS: (Domain NameService) as its name implies, is a Domain name resolution service. Its main function is
This article is not a good row of wrong article, the final Solution I was drunk, so write this article warning, I hope you can learn my lessonsThe user said that they two DNS server one of the DNS server does not see a record, in addition to the NS records and the SOA record is not visible, so I log on to the record of
Test environment:
Windows Server 2008 the Department of DNS
Windows Server 2003 test verifies the deployed DNS
dns:192.168.19.100
Client:192.168.19.101
Test Purpose:
Build DNS, and build various services on the
Content Introduction:
A brief introduction to DNS
Installation of DNS server
DNS common nouns
Detailed DNS configuration file
Configuring the Primary DNS service
A brief introduction to
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:
IP address, subnet mask, default gateway, what does the DNS server mean? IP address, subnet mask, default gateway, what does the DNS server mean?(a) problem analysis001. Q: IP address, subnet mask, default gateway, DNS server, wha
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
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
Many enterprises have set up a number of Web sites to meet the needs of employees, in order to save money, these sites usually use the virtual host technology, that is, on the same server to set up multiple sites, employees use level two domain names to access these sites. However, the workload of maintaining these level two domain names is very high, but we can solve this problem by using a generic domain name resolution technique, so that support fo
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
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
I. Introduction of QUERPERFWhen we configure the DNS server, we will certainly want to test the performance of the DNS server, after the online if the number of requests enough server can respond? Therefore, we can use the software simulation environment, the
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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