Centos Intelligent DNS based on bind under Linux __linux

Intelligent DNS is to be able to respond to the user request IP, automatic Intelligent resolution, so that the user request sent to the nearest user, the fastest response to the server. Compared to ordinary DNS, only to resolve the IP address, but not to judge the source of the user, this is its advantage; currently hardware DNS has F5, software such as bind, we now use this is based on bind open source software intelligent DNS Structure

First create the named user and user group, and set up the related directory of named

Groupadd named
useradd-g named-s/sbin/nologin named Mkdir-p/etc/named chown-r named.named/etc/named/

Download open source software bind, compile and install

wget ftp://ftp.isc.org/isc/bind9/9.8.4-P1/bind-9.8.4-P1.tar.gz
tar zxvf bind-9.8.4-p1.tar.gz
CD Bind-9.8.4-p1
./configure--with-libtool--enable-ipv6=no--enable-threads--disable-openssl-version-check Make
&& make install