RH 253: HOW TO CONFIGURE RNDC SERVER

To sync same time b/w server/client

1. yum install xinetd
2. chkconfig xinetd on
3. chkconfig --list
4. chkconfig time-stream on

To sync same time on client

1. rdate -s <Serversip>


  

Configure RNDC SERVER

1. rm -rf /etc/rndc.key
2. rndc-confgen -a
3. vim /etc/named.conf                     //Add entires to this file
4. vim /etc/rndc.conf                      //Add entries to this file
5. scp /etc/rndc.conf 192.168.0.20:/etc
6. pkill named
7. service named restart
8. rndc reload


Configure RNDC CLIENT

1. rdate -s <serverip>
2. yum install bind caching-nameserver -y
3. vim  /etc/rndc.key
4. rndc reload
5. rndc stop



 CONFIGURATION FILE

1. RNDC REMOTE


1A.  rndc.key


 options {
        default-server 192.168.0.47;
        default-key "rndckey";
};

key "rndckey" {
algorithm hmac-md5;
secret "SjqFWGr1IerqNu4fJnsBAg==";
};




2. RNDC SERVER

2A.  named.conf  


options {
    directory "/var/named";
};

controls {
    inet 127.0.0.1 allow { localhost; } keys { rndckey; };
    inet 192.168.0.47 allow { 192.168.0.64; } keys { rndckey; };
};

zone "example.com" IN {
    type master;
    file "localhost.zone";
};

zone "0.168.192.in-addr.arpa" IN {
    type master;
    file "named.local";
};




2B. rndc.conf

options {
    default-server localhost;
    default-key "rndckey";
};

key "rndckey" {
algorithm hmac-md5;
secret "SjqFWGr1IerqNu4fJnsBAg==";
};




2C. rndc.key

options {
        default-server 192.168.0.47;
        default-key "rndckey";
};

key "rndckey" {
algorithm hmac-md5;
secret "SjqFWGr1IerqNu4fJnsBAg==";
};





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