DNS 설치

DNS 설치

명령어

 
 yum -y install bind bind-libs bind-utils bind-chroot
 

etc/named.conf 수정

 
 vi etc/named.conf
 

수정내용

options {

        version "Unknown";

        allow-transfer { none; };

        allow-recursion { localhost; };

        allow-query-cache { localhost; };

        //listen-on port 53 { 127.0.0.1; };

        listen-on port 53 { any; };

        //listen-on-v6 port 53 { ::1; };

        directory       "/var/named";

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

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

        memstatistics-file "/var/named/data/named_mem_stats.txt";

        //allow-query     { localhost; };

        allow-query     { any; };

 

        /*

         - If you are building an AUTHORITATIVE DNS server, do NOT enable recursion.

         - If you are building a RECURSIVE (caching) DNS server, you need to enable

           recursion.

         - If your recursive DNS server has a public IP address, you MUST enable access

           control to limit queries to your legitimate users. Failing to do so will

           cause your server to become part of large scale DNS amplification

           attacks. Implementing BCP38 within your network would greatly

           reduce such attack surface

        */

        recursion yes;

 

        dnssec-enable yes;

        dnssec-validation yes;

 

        /* Path to ISC DLV key */

        bindkeys-file "/etc/named.iscdlv.key";

 

        managed-keys-directory "/var/named/dynamic";

 

        pid-file "/run/named/named.pid";

        session-keyfile "/run/named/session.key";

};

DNS 실행

명령어

 
 service named start
 

DNS 등록

명령어

 
 vi /etc/named.rfc1912.zones
 

아래와 같이 추가

zone "com.wxw" IN {
        type master;
        file "wxw.com.zone";
        allow-update { none; };
};

 

레코더 추가

 
 vi /etc/named/도메인 (예 wxw.com.zone)
 

아래와 같이 추가

 

$TTL 1D
@         IN      SOA     domain.com. (
                                        6800    ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum

           IN      NS      ns.domain.com.
           IN      A       192.168.0.1
ns        IN      A       192.168.0.1
www     IN      A       192.168.0.1
 

DNS 재 시작

명령어

 
 service named restart
 

DNS 서비스 등록

명령어

 
 chkconfig named on