Originally transferred from http://hi.baidu.com/shyoung/blog/item/b0ccff03fd462481d43f7c5a.html
The complete DNS System of the DNS component consists of the DNS server, region, Parser (DNS client), and resource records, and you need to correctly
1. What is DNS?
(Domain Name System) domain name system.
In fact, the functions implemented by DNS are very simple and effective, so that users do not need to remember the IP addresses that frequently access the server, you can directly access the
For details about dns settings in linux-Linux Enterprise Application-Linux server application, see the following. ① Introduction
DNS is the Domain Name System, which can convert a Domain Name such as www.21php.com to an IP address such as 211.152.50.
Lab questions:
1. Forward/reverse DNS resolution
2. Master-slave DNS Synchronization
Lab environment:
1. vmwarevm
2. More than two Linux sub-Machines
3. XP Testing Machine
Experiment process:
1. forward and reverse DNS resolution
Tutorial
DNS Server Basic ConfigurationBind Details:Package Name: BindProcess: NamedProtocol: DNSUse port: (TCP,UDP)Related packages:Bind-chroot: Limits the scope of activity of the named process to the Chroot directory, guaranteeing security.Bind-devel:
Apply for a mageeu.com domain IP network segment on the Internet for 172.16.100.0/24 Class C networkNS Server: 172.16.100.1www server 172.16.100.1 172.16.100.3Mail server mail 172.16.100.2ftp: On www host, is the alias of WWW serverDownload the
Many people do not know how to resolve public domain names on their own DNS servers. Now let's announce the steps.
1. You must have your own domain name. Therefore, go to the domain name registrar to apply for a registered domain name. Try to find a
DNS ServiceDNS: Domain Nsme ServiceRole: Resolving the domain name to IP (forward parsing) or resolving IP to a domain name (reverse parsing)Classification of DNS top-level domains:Organization domain:. com. net. org .....Country domain:. CN. tw. JP
Dns_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
Experimental Requirements: Establish DNS the principal and subordinate domain name server implements forward reverse queryExperimental steps:1. forward QueryMount and install first Bind Software650) this.width=650; "title=" 1.png "src=" Http://s3.51
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