DNS

• 네임 서버 = DNS 서버
• 도메인 이름을 IP 주소로 변환시켜 주는 역할(이름 해석) 

https://jung-story.tistory.com/53

apt -y install bind9 bind9utils

vi /etc/bind/named.conf.options

# 아래 3행 입력
dnssec-validation no;
recursion yes;
allow-query { any; };

systemctl restart named
systemctl status named
systemctl enabled named

ufw allow 53
ufw status

die @192.168.111.100 www.nate.com

client pc 설정

server(b)설정

apt -y install elinks

winclient 설정

윈도우 + R

ncpa.cpl

---

마스터 네임서버 실습

https://infraleesh.tistory.com/12

vi /etc/bind/named.conf


######## 아래 추가
zone "john.com" IN{
        type master;
        file "/etc/bind/john.com.db";
};

vi /etc/bind/john.com.db

$TTL 3H
@ IN SOA @ root. ( 2 1D 1H 1W 1H )
@ IN NS @
  IN A 192.168.111.100

www IN A 192.168.111.100
ftp IN A 192.168.111.101

systemctl restart named