mysql-community-client-5.7.19-1.el7.x86_64.rpm

mysql-community-common-5.7.19-1.el7.x86_64.rpm

mysql-community-devel-5.7.19-1.el7.x86_64.rpm

mysql-community-libs-5.7.19-1.el7.x86_64.rpm

mysql-community-server-5.7.19-1.el7.x86_64.rpm

SELINUX=disabled

options {       

        directory "/var/named/";       

        recursion yes;       

        listen-on port 53    { any; };       

        dump-file "/var/named/data/cache_dump.db";       

        statistics-file "/var/named/data/named_stats.txt";       

        allow-query { any; };       

        blackhole { none; };

};

view "ours_domain" {       

        match-clients           {127.0.0.1; };       

        allow-query-cache           {any; };       

        allow-recursion          {any; };       

        allow-transfer          {none; };        

        dlz "Mysql zone" {              

                database        "mysql              

                {host=127.0.0.1 dbname=bind ssl=false port=3306 user=named pass=MySQL-password}              

                {select zone from dns_records where zone='$zone$'}              

                {select ttl, type, mx_priority, case when lower(type)='txt' then concat('\"', data, '\"') when lower(type) = 'soa' then concat_ws(' ', data, resp_person

, serial, refresh, retry, expire, minimum) else data end from dns_records where zone = '$zone$' and host = '$record$'}";

        };       

        zone "."  IN {           

                type hint;           

                file "named.ca";       

        };

};

key "rndc-key" {

        algorithm hmac-md5;

        secret "yp955j6yrX7mWoz5oOoZ0w==";

};

controls {

        inet 127.0.0.1 port 953

                allow { 127.0.0.1; } keys { "rndc-key"; };

};

mysql> create database bind;

mysql> use bind;

mysql> CREATE TABLE IF NOT EXISTS `dns_records` (  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,  `zone` varchar(255) NOT NULL,  `host` varchar(255) NOT NULL DEFAULT '@',  `type` enum('A','MX','CNAME','NS','SOA','PTR','TXT','AAAA','SVR','URL') NOT NULL,  `data` varchar(255) DEFAULT NULL,  `ttl` int(11) NOT NULL DEFAULT '3600',  `mx_priority` int(11) DEFAULT NULL,  `view`  enum('any', 'Telecom', 'Unicom', 'CMCC', 'ours') NOT NULL  DEFAULT "any" ,  `priority` tinyint UNSIGNED NOT NULL DEFAULT '255',  `refresh` int(11) NOT NULL DEFAULT '28800',  `retry` int(11) NOT NULL DEFAULT '14400',  `expire` int(11) NOT NULL DEFAULT '86400',  `minimum` int(11) NOT NULL DEFAULT '86400',  `serial` bigint(20) NOT NULL DEFAULT '2015050917',  `resp_person` varchar(64) NOT NULL DEFAULT 'ddns.net',  `primary_ns` varchar(64) NOT NULL DEFAULT 'ns.ddns.net.',  PRIMARY KEY (`id`),  KEY `type` (`type`),  KEY `host` (`host`),  KEY `zone` (`zone`)) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;# view:是區分不同網路區域的欄位.     Priority:是區分不同優先順序的欄位.

mysql> insert into dns_records (zone, host, type, data, ttl) VALUES ('test.info', 'www', 'A', '1.1.1.1', '60');

mysql> insert intodns_records (zone, host, type, data, ttl) VALUES ('test.info', 'mail', 'CNAME', 'www', '60');

mysql> insert into dns_records (zone, host, type, data, ttl) VALUES ('test.info', '@', 'NS', 'ns', '60');

mysql> insert into dns_records (zone, host, type, data, ttl) VALUES ('test.info', 'ns', 'A', '127.0.0.1', '60');

mysql> grant all privileges on bind.* to [email protected]'%' identified by "Ma991218#";

mysql> flush privileges;

#!/bin/bash

# named a network name service.

# chkconfig: 345 87 75

# description: a name server

[ -r /etc/rc.d/init.d/functions ] && . /etc/rc.d/init.d/functions

Builddir=/usr/local/bind

PidFile=/usr/local/bind/var/run/named/named.pid

LockFile=/var/lock/subsys/named

Sbindir=${Builddir}/sbin

Configfile=${Builddir}/etc/named.conf

CheckConf=${Builddir}/sbin/named-checkconf

named=named

if [ ! -f ${Configfile} ]

then

    echo "Can't find named.conf "

    exit 1

fi

if [ ! -d /var/run/named/ ]

then

    echo "could not open directory '/var/run/named/': Permission denied "

    exit 1

elif [ ! -w /var/run/named/ ]

    then

        echo "could not open directory '/var/run/named/': Permission denied "

        exit 1

fi

if [ ! -r ${Configfile} ]

then

    echo "Error: ${Configfile} is not readfile!"

    exit 1

else

    $CheckConf

    if [ $? != 0 ]

    then

        echo -e "Please check config file in \033[31m${Configfile} \033[0m!"

        exit 2

    fi

fi

start() {

    [ -x ${Builddir}/sbin/$named ] ||   exit 4

    if [ -f $LockFile ]; then

        echo -n "$named is already running..."

        echo_failure

        echo

        exit 5

    fi

    echo -n "Starting $named: "

    daemon --pidfile "$PidFile" ${Sbindir}/$named -u named -n 1 -c ${Configfile}

    RETVAL=$?

    echo

    if [ $RETVAL -eq 0 ]; then

        touch $LockFile

        return 0

    else

        rm -f $LockFile $PidFile

        return 1

    fi

}

stop() {

    if [ ! -f $LockFile ];then

        echo "$named is not started."

        echo_failure

    fi

    echo -n "Stopping $named: "

    killproc $named

    RETVAL=$?

    echo

    [ $RETVAL -eq 0 ] && rm -f $LockFile

    return 0

}

restart() {

    stop

    sleep 1

    start

}

reload() {

    echo -n "Reloading $named: "

    killproc $named -HUP

    RETVAL=$?

    echo

    return $RETVAL

}

status() {

    if pidof $named > /dev/null && [ -f $PidFile ]; then

        echo "$named is running..."

    else

        echo "$named is stopped..."

    fi

}

case $1 in

start)

    start ;;

stop)

    stop ;;

restart)

    restart ;;

reload)

    reload ;;

status)

    status ;;

*)

    echo "Usage:named {start|stop|status|reload|restart}"

    exit 2;;

esac

nameserver 127.0.0.1

mysql> insert INTO example  (zone,host,type,data,ttl,retry) values ('example.com','no','A','10.255.1.27',86400,15);     //新增幾條域名解析記錄

mysql> insert INTO example  (zone,host,type,data,ttl,retry) values ('alan.com','no','A','10.255.1.29',86400,15);

mysql> insert INTO example  (zone,host,type,data,ttl,retry) values ('example.com','node','A','10.255.1.252',86400,15);

mysql> insert INTO example  (zone,host,type,data,ttl,retry) values ('example.com','node02','A','192.168.1.250',86400,15);

mysql> insert into example (zone,host,type,data,ttl,mx_priority,refresh,retry,expire,minimum,serial,resp_person,primary_ns) values ('1.168.192in-addr.arpa','@','SOA','node02.example.com',86400,NULL,3600,15,86400,3600,2008082700,'node02.example.com','node02.example.com');  

//新增SOA（授權區域定義）記錄

mysql> insert into example (zone,host,type,data)values('example.com','@','NS','node02.example.com.');  

//新增NS（標記區域的域名伺服器以及授權子域）記錄

mysql> insert into example(zone,host,type,data)values('1.168.192.in-addr.arpa','250','PTR','node02.example.com.'),('1.168.192.in-addr.arpa','111','PTR','x.example.com.');     //新增PTR（與A記錄相反，將ip轉換成主機名，反向解析操作）記錄