PowerDNS: Instalasi Server & Recursor di satu mesin

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Dalam tutorial ini akan di coba untuk mengkonfigurasi powerdns agar bisa berjalan sebagai master dan slave di satu mesin.

Disini akan digunakan

  • IP address 192.168.0.100 (powerdns server)
  • IP address 127.0.0.1 (recursor)


Instalasi dns recursor & konfigurasi

apt-get update
apt-get install pdns-recursor

Konfigurasi /etc/powerdns/recursor.conf 

vi /etc/powerdns/recursor.conf

Isi 

local-address=127.0.0.1
local-port=53
quiet=yes
setgid=pdns
setuid=pdns


Instalasi powerdns

apt-get install pdns-server pdns-backend-mysql mysql-server

Akan ada error / warning karena pdns-server dan pdns-recursor sebetulnya tidak bisa jalan di satu mesin. Kita akan mengakali dari sisi konfigurasi.

Konfigurasi Database

Set password 'pdns' dengan 123456 untuk akses ke database pdns. Buat semua tabel & index yang dibutuhkan. 

mysql -u root -p123456

Lakukan 

CREATE DATABASE pdns;
GRANT ALL ON pdns.* TO 'pdns'@'localhost' IDENTIFIED BY '123456';

FLUSH PRIVILEGES;

USE pdns;

CREATE TABLE domains (
  id                    INT AUTO_INCREMENT,
  name                  VARCHAR(255) NOT NULL,
  master                VARCHAR(128) DEFAULT NULL,
  last_check            INT DEFAULT NULL,
  type                  VARCHAR(6) NOT NULL,
  notified_serial       INT DEFAULT NULL,
  account               VARCHAR(40) DEFAULT NULL,
  PRIMARY KEY (id)
);
CREATE UNIQUE INDEX name_index ON domains(name);

CREATE TABLE records (
  id                    INT AUTO_INCREMENT,
  domain_id             INT DEFAULT NULL,
  name                  VARCHAR(255) DEFAULT NULL,
  type                  VARCHAR(10) DEFAULT NULL,
  content               VARCHAR(64000) DEFAULT NULL,
  ttl                   INT DEFAULT NULL,
  prio                  INT DEFAULT NULL,
  change_date           INT DEFAULT NULL,
  disabled              TINYINT(1) DEFAULT 0,
  ordername             VARCHAR(255) BINARY DEFAULT NULL,
  auth                  TINYINT(1) DEFAULT 1,
  PRIMARY KEY (id)
);
CREATE INDEX nametype_index ON records(name,type);
CREATE INDEX domain_id ON records(domain_id);
CREATE INDEX recordorder ON records (domain_id, ordername); 

CREATE TABLE supermasters (
  ip                    VARCHAR(64) NOT NULL,
  nameserver            VARCHAR(255) NOT NULL,
  account               VARCHAR(40) NOT NULL,
  PRIMARY KEY (ip, nameserver)
);

CREATE TABLE comments (
  id                    INT AUTO_INCREMENT,
  domain_id             INT NOT NULL,
  name                  VARCHAR(255) NOT NULL,
  type                  VARCHAR(10) NOT NULL,
  modified_at           INT NOT NULL,
  account               VARCHAR(40) NOT NULL,
  comment               VARCHAR(64000) NOT NULL,
  PRIMARY KEY (id)
);
CREATE INDEX comments_domain_id_idx ON comments (domain_id);
CREATE INDEX comments_name_type_idx ON comments (name, type);
CREATE INDEX comments_order_idx ON comments (domain_id, modified_at);

CREATE TABLE domainmetadata (
  id                    INT AUTO_INCREMENT,
  domain_id             INT NOT NULL,
  kind                  VARCHAR(32),
  content               TEXT,
  PRIMARY KEY (id)
);
CREATE INDEX domainmetadata_idx ON domainmetadata (domain_id, kind);

CREATE TABLE cryptokeys (
  id                    INT AUTO_INCREMENT,
  domain_id             INT NOT NULL,
  flags                 INT NOT NULL,
  active                BOOL,
  content               TEXT,
  PRIMARY KEY(id)
);
CREATE INDEX domainidindex ON cryptokeys(domain_id);

CREATE TABLE tsigkeys (
  id                    INT AUTO_INCREMENT,
  name                  VARCHAR(255),
  algorithm             VARCHAR(50),
  secret                VARCHAR(255),
  PRIMARY KEY (id)
);
CREATE UNIQUE INDEX namealgoindex ON tsigkeys(name, algorithm);

Jika sudah selesai keluar 

quit;


Konfigurasi powerdns

3.Powerdns configuration

Edit /etc/powerdns/pdns.d/pdns.local.gmysql.conf 

sudo vi /etc/powerdns/pdns.d/pdns.local.gmysql.conf

isi 

# MySQL Configuration
#
# Launch gmysql backend
launch=gmysql

# gmysql parameters
gmysql-host=localhost
gmysql-port=
gmysql-dbname=pdns
gmysql-user=pdns
gmysql-password=123456
gmysql-dnssec=yes
# gmysql-socket=

Edit /etc/powerdns/pdns.conf 

vi /etc/powerdns/pdns.conf

isi 

allow-recursion=0.0.0.0/0
config-dir=/etc/powerdns
daemon=yes
guardian=yes
include-dir=/etc/powerdns/pdns.d
launch=
setgid=pdns
setuid=pdns
version-string=powerdns
local-address=192.168.0.100
local-port=53

log-dns-details=yes
log-dns-queries=yes
logging-facility=0
loglevel=6

recursor=127.0.0.1:53


Restart

/etc/init.d/pdns restart
/etc/init.d/pdns-recursor restart






Poweradmin installation

Poweradmin will be installed on powerdns master host, so we need to install necessary packages:

apt-get install apache2-mpm-prefork php5-mysql libapache2-mod-php5 php-pear php-mdb2 php-mdb2-driver-mysql

Then download, unpack and make some preparations before installation process:

cd /var/www wget --no-check-certificate https://www.poweradmin.org/download/poweradmin-2.1.4.tgz tar zxvf poweradmin-2.1.4.tgz ln -s poweradmin-2.1.4 poweradmin chown www-data.www-data -R poweradmin-2.1.4 cp /var/www/poweradmin/inc/config-me.inc.php /var/www/poweradmin/inc/config.inc.php

With default apache2 configuration, type in web browser address http://192.168.56.3/poweradmin/install and follow steps to finish poweradmin installation

Instead of what is shown in step 6 use below listed grant for user poweradmin:

GRANT SELECT, INSERT, UPDATE, DELETE ON powerdns.* TO 'poweradmin'@'localhost'; FLUSH PRIVILEGES;

After successful installation remove install directory.

rm -rf /var/www/poweradmin/install

There is a small bug in latest stable release of poweradmin-2.1.4, which has been explained in ticket https://www.poweradmin.org/trac/ticket/346.To repair that replace line 196 with $retcount++; in inc/templates.inc.php file. Poweradmin usage

Type in your web browser http://192.168.56.3/poweradmin and login as admin with password you typed in installation (step 3)

Easiest way to manage domains is to create zone template or templeates. Got to List zone templates > Add zone template > fill Name('default' in that case)

Then edit 'default' zone template by adding new records:

  1. examples

[ZONE] SOA ns1.example.com hostmaster.example.com [SERIAL] 10800 3600 604800 600 [ZONE] A 192.168.56.3 86400 www.[ZONE] A 192.168.56.3 86400 mail.[ZONE] A 192.168.56.3 86400 [ZONE] NS ns1.example.com 86400 [ZONE] NS ns2.example.com 86400 [ZONE] MX mail.[ZONE] 10 86400

Make some tests with adding new domain using created zone template by adding master zone (choose type: master)

Don't forget to add ns1.example.com and ns2.example.com A type records.

Finally add into slave mysql server direction where master powerdns server is located by adding proper ip and master ns domain name.

use powerdns; insert into supermasters values ('192.168.56.3', 'ns1.example.com', 'admin');

Migration from bind

Use zone2sql script to migrate domains from bind to powerdns

zone2sql --gmysql --named-conf=/etc/bind/named.conf > bind.sql

If domain type is NATIVE, change it into MASTER using example sed command

sed 's/NATIVE/MASTER/g' bind.sql > bind.master.sql

Thats all folks. If you have any questions don't hesitate to write ;-)



Referensi

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