RHCE Series: DNS

  • Configure a caching-only name server.
  • Configure a caching-only name server to forward DNS queries.
  • Note: Candidates are not expected to configure master or slave name servers.

Install bind:

yum -y install bind

Setup caching-only name server with forwarders.


Open up the firewall:

iptables -I INPUT -p udp –dport 53 -j ACCEPT
service iptables save

Start the service and make it persistent at boot:

service named start
chkconfig named on

October 26, 2012

Posted In: Bind, DNS, Linux, RHCE Study Notes