Redhat 5.4搭建 DNS服务器解析负载
OS Redhat 5.4tools
bind-9.3.6-4.P1.el5.i386.rpm
bind-chroot-9.3.6-4.P1.el5.i386.rpm
bind-devel-9.3.6-4.P1.el5.i386.rpm
bind-libbind-devel-9.3.6-4.P1.el5.i386.rpm
bind-libs-9.3.6-4.P1.el5.i386.rpm
bind-sdb-9.3.6-4.P1.el5.i386.rpm
bind-utils-9.3.6-4.P1.el5.i386.rpm
caching-nameserver-9.3.6-4.P1.el5.i386.rpm
以上软件包安装完成之后
cd /var/named/chroot/etc
# ls
localtimenamed.caching-nameserver.confnamed.rfc1912.zonesrndc.key
修改 named.caching-nameserver.conf 为
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";
// Those options should be used carefully because they disable port
// randomization
query-source port 53;
// query-source-v6 port 53;
allow-query { any; };
allow-query-cache { any; };
};
logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};
view localhost_resolver {
match-clients { any; };
match-destinations { any; };
recursion yes;
include "/etc/named.rfc1912.zones";
};
在 named.rfc1912.zones 末尾添加
zone "space" IN {
type master;
file "space.zone";
allow-update { none; };
};
cd /var/named/chroot/var/named
# cp named.zero space.zone
# cp named.local space.local
ll
# ll
总计 88
drwxrwx--- 2 named named 4096 2004-08-26 data
-rw-r----- 1 rootnamed198 2009-07-30 localdomain.zone
-rw-r----- 1 rootnamed195 2009-07-30 localhost.zone
-rw-r----- 1 rootnamed427 2009-07-30 named.broadcast
-rw-r----- 1 rootnamed 1892 2009-07-30 named.ca
-rw-r----- 1 rootnamed424 2009-07-30 named.ip6.local
-rw-r----- 1 rootnamed426 2009-07-30 named.local
-rw-r----- 1 rootnamed427 2009-07-30 named.zero
drwxrwx--- 2 named named 4096 2004-07-27 slaves
-rw-r----- 1 rootroot 426 04-28 16:09 space.local
-rw-r----- 1 rootroot 427 04-28 16:09 space.zone
修改 space.local space.zero 属组
# chown root:named space.local space.zone
# ll
总计 88
drwxrwx--- 2 named named 4096 2004-08-26 data
-rw-r----- 1 rootnamed198 2009-07-30 localdomain.zone
-rw-r----- 1 rootnamed195 2009-07-30 localhost.zone
-rw-r----- 1 rootnamed427 2009-07-30 named.broadcast
-rw-r----- 1 rootnamed 1892 2009-07-30 named.ca
-rw-r----- 1 rootnamed424 2009-07-30 named.ip6.local
-rw-r----- 1 rootnamed426 2009-07-30 named.local
-rw-r----- 1 rootnamed427 2009-07-30 named.zero
drwxrwx--- 2 named named 4096 2004-07-27 slaves
-rw-r----- 1 rootnamed426 04-28 16:09 space.local
-rw-r----- 1 rootnamed427 04-28 16:09 space.zone
修改space.zone
# cat space.zone
$TTL 86400
@ IN SOAspace.com. root.space.com. (
42 ; serial (d. adams)
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum
IN NS space.com.
www IN A 10.0.0.10
www IN A 10.0.0.20
www IN A 10.0.0.30
配置好负载无需配置反向解析，需要时再配
# /etc/init.d/named start
启动 named： [确定]
# host www.space.com
www.space.com has address 10.0.0.20
www.space.com has address 10.0.0.30
www.space.com has address 10.0.0.10
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