DNS server installation and configuration bind

Mylinux.com 172.16.100.0/24

NS 172.16.100.1

www 172.16.100.1, 172.16.100.3

Mail 172.16.100.24

FTP www

Dns:bind Software

Berkeley Internet Name Domain

Isc

www.isc.org

[email protected] yum.repos.d]# Yum list |grep "^bind"

[Email protected] yum.repos.d]# yum-y install bind.i686

/etc/named.conf master configuration file, which is used to define the working properties of the bind process, the definition of the zone, etc.

/etc/rndc.key key File,

/etc/rndc.conf configuration information

/VAR/NAMED/XX Zone data file, you need to define it yourself

/etc/init.d/named Service Script

/etc/sysconfig/named The main configuration file for the service script

/usr/sbin/named Main Program

/usr/sbin/named-checkconf Check the configuration file

/usr/sbin/named-chenkzone Check the zone file

/USR/SBIN/RNDC Remote Control Tool

/usr/sbin/rndc-confgen The RNDC configuration file is generated.

{Start|stop|restart|status|reload}

Binary program: Named

Bind-chroot:

Default: Named

Users: Named

Group: Named

/var/named/chroot/

etc/named.conf

Etc/rdnc.key

Sbin/named

var/named/

Caching-nameserver Cache DNS Server RPM package

/var/named/named.ca This file holds the address of 13 root node servers

Dig:domain Information

Dig-t NS. Find all DNS servers for the root domain

Dig-t NS. @a.root-servers.net. Directly from this server to find

This file is/var/named/named.localhost to avoid DNS server parsing errors. specifically resolves localhost to 127.0.0.1

[[Email protected] named]# service named Start services

Dns:

Protocols and ports for listening:

The 53/UDP query protocol uses UDP by default

53/tcp use TCP when backing up from the server. TCP is also used when RNDC remote

Socket: Socket

Ip:port

C/S: Client/server

Vi/etc/named.conf

Options Global Option

127.0.0.1:53 only receive hosts from the inside

0.0.0.0:53 listening on port 53rd for all IPs

Directory "/var/named"; Clear description This is the data directory

allow-query {localhost} only allows local queries

recursion Yes; recursive

Area: Type

Zone "Zone NAME" in {

Type {Master Master |slave forwarding from |hint root zone |forward}

};

Main area:

File "zone data Files";

From zone:

File "zone data Files";

master {master1_ip;master2_ip;} ；

Vi/etc/named.conf

------------------------

Options {

Directory "/var/named";

};

Zone "." in {

Type hint;

File "named.ca";

};

Zone "localhost" in {

Type master;

File "Name.localhost";

};

Zone "0.0.127.in-addr.arpa" in{

Type master;

File "Named.loopback";

};

--------------------------------

Chown root:named/etc/named.conf

chmod 640/etc/named.conf

Named-checkconf

Named-checkzone "." /var/named/named.ca

Named-checkzone "localhost"/var/named.localhost

Named-checkzone "0.0.127.in-addr.apra"/var/named.loopback

Service named start

Temporarily close SELinux:

Getenforce View

Setenforce 0 off

Setenforce 1 Enabled

Permanently closed: Vim/etc/selinux/config

Selinux=disabled or permissive

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DNS server installation and configuration bind