linux rehl 5 dns 详解3

RHEL5搭建DNS服务器实现名称解析 三
 
 
（二）named.conf文件说明：
此文件需用户自己创建，可从/usr/share/doc/bind-9.3.3/sample/etc中复制到/var/named/chroot/etc/目录下
// Sample named.conf BIND DNS server 'named' configuration file
// for the Red Hat BIND distribution.
// See the BIND Administrator's Reference Manual (ARM) for details, in:
//   file:///usr/share/doc/bind-*/arm/Bv9ARM.html
// Also see the BIND Configuration GUI : /usr/bin/system-config-bind and
// its manual.
options
{
          /* make named use port 53 for the source of all queries, to allow
         * firewalls to block all ports except 53:
         */
          query-source    port 53;
          query-source-v6 port 53;
         
          // Put files that named is allowed to write in the data/ directory:
          directory "/var/named"; // the default  （定义Bind服务器的工作目录）
          dump-file       "data/cache_dump.db";
        statistics-file     "data/named_stats.txt";
        memstatistics-file "data/named_mem_stats.txt";
};
logging
{
/*      If you want to enable debugging, eg. using the 'rndc trace' command,
 *      named will try to write the 'named.run' file in the $directory (/var/named).
 *      By default, SELinux policy does not allow named to modify the /var/named directory,
 *      so put the defaul