Red Hat Enterprise Linux AS3 中dns server的配置－－字符界面
Red Hat Enterprise Linux AS3 中dns server的配置－－字符界面
1.所需配置文件
/etc/named.conf---------系统自带，需要配置
/etc/resolv.conf----------系统自带，需要配置
/var/named/supermaster.com.zone---------系统没有，需要创建配置
/var/named/0.168.192.in-arpa.zone--------系统没有，需要创建配置
/var/named/named.local------------------------系统自带，不需修改
/var/named/named.ca--------------------------系统自带，不需修改
2.配置方案
2.1、/etc/named.conf
说明：DNS主配置文件，定义了域数据库信息的基本参数和源点，该文件可以存放在本地或远程的服务器上。源文件如下：
## named.conf - configuration for bind
#
# Generated automatically by redhat-config-bind, alchemist et al.
# Any changes not supported by redhat-config-bind should be put
# in /etc/named.custom
#
controls {
inet 127.0.0.1 allow { localhost; } keys { rndckey; };
};
include "/etc/named.custom";
include "/etc/rndc.key";
zone "0.0.127.in-addr.arpa" {
type master;
file "0.0.127.in-addr.arpa.zone";
};
zone "0.168.192.in-addr.arpa" {
type master;
file "0.168.192.in-addr.arpa.zone";
};
zone "localhost" {
type master;
file "localhost.zone";
};
zone "supermaster.com" {
type master;
file "supermaster.com.zone";
};
2.2、/var/named/supermaster.com.zone
说明：正向解析配置文件，即实现name2ip的对应，源文件如下：
$TTL 86400
@ IN SOA dns.supermaster.com. root.localhost (
2 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttl
)
IN NS dns.
mail IN MX 1 mail
dns IN A 192.168.0.100
www IN A 192.168.0.100
ftp IN A 192.168.0.100
mail IN A 192.168.0.100
2.3、/var/named/0.168.192.in-arpa.zone
说明：DNS反向解析配置文件，即实现IP2name的对应，源文件如下：
$TTL 86400
@ IN SOA dns.supermaster.com. root.localhost (
7 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttk
)
@ IN NS dns.
@ IN NS ftp.
@ IN NS mail.
@ IN NS www.
100 IN PTR redhat.supermaster.com.
2.4、/etc/resolv.conf
说明：指定域名服务器的IP和搜索顺序，源文件如下：
search supermaster.com
nameserver 192.168.0.100
3.测试及管理办法
3.1、修改完DNS的配置文件，需要重新启动named，输入：named -u named
来使更改的配置生效
3.2、nslookup测试正向解析、反向解析是否正常。如下：
A：正向解析
[root@redhat root]# redhat-config-bind
[root@redhat root]# nslookup -sil www.supermaster.com
Server: 192.168.0.100
Address: 192.168.0.100#53
Name: www.supermaster.com
Address: 192.168.0.100
B：反向解析
[root@redhat root]# nslookup -sil 192.168.0.100
Server: 192.168.0.100
Address: 192.168.0.100#53
100.0.168.192.in-addr.arpa name = redhat.supermaster.com.
到此DNS服务器已经正确设置了，大家可以看到53端口已经在运行了
[root@redhat root]#netstat –nl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:32768 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:32769 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:513 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:199 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:139 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:110 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:783 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN
tcp 0 0 192.168.0.200:53 0.0.0.0:* LISTEN
tcp 0 0 192.168.0.100:53 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:23 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN
udp 0 0 0.0.0.0:32768 0.0.0.0:*
udp 0 0 0.0.0.0:32769 0.0.0.0:*
udp 0 0 192.168.0.100:137 0.0.0.0:*
udp 0 0 192.168.0.200:137 0.0.0.0:*
udp 0 0 0.0.0.0:137 0.0.0.0:*
udp 0 0 192.168.0.100:138 0.0.0.0:*
udp 0 0 192.168.0.200:138 0.0.0.0:*
udp 0 0 0.0.0.0:138 0.0.0.0:*
udp 0 0 0.0.0.0:161 0.0.0.0:*
udp 0 0 192.168.0.200:53 0.0.0.0:*
udp 0 0 192.168.0.100:53 0.0.0.0:*
udp 0 0 127.0.0.1:53 0.0.0.0:*
udp 0 0 0.0.0.0:971 0.0.0.0:*
udp 0 0 0.0.0.0:111 0.0.0.0:*
udp 0 0 0.0.0.0:631 0.0.0.0:*
Active UNIX domain sockets (only servers)
Proto RefCnt Flags Type State I-Node Path
unix 2 [ ACC ] STREAM LISTENING 4143 /tmp/.iroha_unix/IROHA
unix 2 [ ACC ] STREAM LISTENING 4524 /tmp/orbit-root/linc-107c-0-6da93039271fb
unix 2 [ ACC ] STREAM LISTENING 4532 /tmp/orbit-root/linc-103a-0-45f89c834871
unix 2 [ ACC ] STREAM LISTENING 4653 /tmp/orbit-root/linc-107e-0-118e9afae4966
unix 2 [ ACC ] STREAM LISTENING 4759 /tmp/orbit-root/linc-108c-0-2157bc9d77dec
unix 2 [ ACC ] STREAM LISTENING 4674 /tmp/orbit-root/linc-1080-0-56cb44bb2d663
unix 2 [ ACC ] STREAM LISTENING 4787 /tmp/orbit-root/linc-1094-0-4d56fc411de59
unix 2 [ ACC ] STREAM LISTENING 4805 /tmp/orbit-root/linc-1090-0-4d56fc414ea35
unix 2 [ ACC ] STREAM LISTENING 4828 /tmp/orbit-root/linc-1092-0-4d56fc41eccb2
unix 2 [ ACC ] STREAM LISTENING 4847 /tmp/orbit-root/linc-1097-0-1f5fdba327c14
unix 2 [ ACC ] STREAM LISTENING 7481 /tmp/orbit-root/linc-1149-0-79c2a8f4ecc58
unix 2 [ ACC ] STREAM LISTENING 4102 /dev/gpmctl
unix 2 [ ACC ] STREAM LISTENING 4998 /tmp/orbit-root/linc-109b-0-5eaeb1612bfb6
unix 2 [ ACC ] STREAM LISTENING 4965 /tmp/orbit-root/linc-10a1-0-3a3a5148891f1
unix 2 [ ACC ] STREAM LISTENING 4399 /tmp/.gdm_socket
unix 2 [ ACC ] STREAM LISTENING 4690 /tmp/.fam_socket
unix 2 [ ACC ] STREAM LISTENING 4276 /tmp/.font-unix/fs7100
unix 2 [ ACC ] STREAM LISTENING 4495 /tmp/ssh-XXeHbqHv/agent.4154
unix 2 [ ACC ] STREAM LISTENING 4643 /tmp/.ICE-unix/4154
unix 2 [ ACC ] STREAM LISTENING 4409 /tmp/.X11-unix/X0
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