linux+bind9.4.1 配置主备dns同步-红联Linux系统门户

bind9.4.1下载地址：http://ftp.isc.org/isc/bind9/9.4.1/bind-9.4.1.tar.gz

下载bind-9.4.1.tar.gz 放到/usr/local/src/目录下

# tar zxvf bind-9.4.1.tar.gz

# cd bind-9.4.1

# ./configure --prefix=/usr/local/named --enable-threads

# make

# make install

# cd /usr/local/named/etc

建立主dns IP：1.2.3.4 域名：ns1.XXX.com

# ../sbin/rndc-confgen

copy下面注释的部分代码,并去掉注释，修改rndc-key为ns1，有两处啊。。。再把代码加入named.conf

# key "rndc-key" {
# algorithm hmac-md5;
# secret "XXXXXXXXXXXXXXXXXXXXXXX";
# };
#
# controls {
# inet 127.0.0.1 port 953
# allow { 127.0.0.1; } keys { "rndc-key"; };
# };

建立named.conf

例子：

# vi named.conf

options {
directory "/usr/local/named/etc/";
};

logging {
category lame-servers { null; };
};

key "ns1" {
algorithm hmac-md5;
secret "XXXXXXXXXXXXXXXXXXXXXXX";
};

controls {
inet 127.0.0.1 port 953
allow { 127.0.0.1; } keys { "ns1"; };
};
zone "." IN {
type hint;
file "named.ca";
};

zone "localhost" IN {
type master;
file "localhost.zone";
allow-update { none; };
};

zone "0.0.127.in-addr.arpa" IN {
type master;
file "named.local";
allow-update { none; };
};
zone "XXX.com" IN {
type master;
file "db.XXX.com";
};
zone "3.2.1.in-addr.arpa" IN {
type master;
file "named.rev";
};

生成named.ca文件

# dig > named.ca

named.ca例子：

; This file holds the information on root name servers needed to
; initialize cache of Internet domain name servers
; (e.g. reference this file in the "cache . "
; configuration file of BIND domain name servers).
;
; This file is made available by InterNIC registration services
; under anonymous FTP as
; file /domain/named.root
; on server FTP.RS.INTERNIC.NET
; -OR- under Gopher at RS.INTERNIC.NET
; under menu InterNIC Registration Services (NSI)
; submenu InterNIC Registration Archives
; file named.root
;
; last update: Aug 22, 1997
; related version of root zone: 1997082200
;
;
; formerly NS.INTERNIC.NET
;
. 3600000 IN NS A.ROOT-SERVERS.NET.
A.ROOT-SERVERS.NET. 3600000 A 198.41.0.4
;
; formerly NS1.ISI.EDU
;
. 3600000 NS B.ROOT-SERVERS.NET.
B.ROOT-SERVERS.NET. 3600000 A 128.9.0.107
;
; formerly C.PSI.NET
;
. 3600000 NS C.ROOT-SERVERS.NET.
C.ROOT-SERVERS.NET. 3600000 A 192.33.4.12
;
; formerly TERP.UMD.EDU
;
. 3600000 NS D.ROOT-SERVERS.NET.
D.ROOT-SERVERS.NET. 3600000 A 128.8.10.90
;
; formerly NS.NASA.GOV
;
. 3600000 NS E.ROOT-SERVERS.NET.
E.ROOT-SERVERS.NET. 3600000 A 192.203.230.10
;
; formerly NS.ISC.ORG
;
. 3600000 NS F.ROOT-SERVERS.NET.
F.ROOT-SERVERS.NET. 3600000 A 192.5.5.241
;
; formerly NS.NIC.DDN.MIL
;
. 3600000 NS G.ROOT-SERVERS.NET.
G.ROOT-SERVERS.NET. 3600000 A 192.112.36.4
;
; formerly AOS.ARL.ARMY.MIL
;
. 3600000 NS H.ROOT-SERVERS.NET.
H.ROOT-SERVERS.NET. 3600000 A 128.63.2.53
;
; formerly NIC.NORDU.NET
;
. 3600000 NS I.ROOT-SERVERS.NET.
I.ROOT-SERVERS.NET. 3600000 A 192.36.148.17
;
; temporarily housed at NSI (InterNIC)
;
. 3600000 NS J.ROOT-SERVERS.NET.
J.ROOT-SERVERS.NET. 3600000 A 198.41.0.10
;
; housed in LINX, operated by RIPE NCC
;
. 3600000 NS K.ROOT-SERVERS.NET.
K.ROOT-SERVERS.NET. 3600000 A 193.0.14.129
;
; temporarily housed at ISI (IANA)
;
. 3600000 NS L.ROOT-SERVERS.NET.
L.ROOT-SERVERS.NET. 3600000 A 198.32.64.12
;
; housed in Japan, operated by WIDE
;
. 3600000 NS M.ROOT-SERVERS.NET.
M.ROOT-SERVERS.NET. 3600000 A 202.12.27.33

# vi localhost.zone

$TTL 86400
$ORIGIN localhost.
@ 1D IN SOA @ root (
42 ; serial (d. adams)
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum

1D IN NS @
1D IN A 127.0.0.1

# vi named.local

$TTL 86400
@ IN SOA localhost. root.localhost. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS localhost.

1 IN PTR localhost.

# vi db.XXX.com

$TTL 86400
@ 1D IN SOA XXX.com. root.XXX.com. (
2007070701
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum

IN NS ns1.XXX.com.
IN NS ns2.XXX.com.
IN A 1.2.3.4

ns1 IN A 1.2.3.4
ns2 IN A 5.6.7.8

# vi named.rev

$TTL 86400
@ IN SOA XXX.com. root.XXX.com. (
2 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS ns1.XXX.com.
IN NS ns2.XXX.com.
4.3.2.1.in-addr.arpa. IN PTR ns1.XXX.com.
8.7.6.5.in-addr.arpa. IN PTR ns2.XXX.com.

启动bind

# /usr/local/named/sbin/named -gc /usr/local/named/etc/named.conf

建立备dns IP：5.6.7.8 域名：ns2.XXX.com

# ../sbin/rndc-confgen

copy下面注释的部分代码,并去掉注释，修改rndc-key为ns2，有两处啊。。。再把代码加入named.conf

# key "rndc-key" {
# algorithm hmac-md5;
# secret "XXXXXXXXXXXXXXXXXXXXXXX";
# };
#
# controls {
# inet 127.0.0.1 port 953
# allow { 127.0.0.1; } keys { "rndc-key"; };
# };

建立named.conf

例子：

# vi named.conf

options {
directory "/usr/local/named/etc/";
};

logging {
category lame-servers { null; };
};

key "ns2" {
algorithm hmac-md5;
secret "XXXXXXXXXXXXXXXXXXXXXXX";
};

controls {
inet 127.0.0.1 port 953
allow { 127.0.0.1; } keys { "ns2"; };
};
zone "." IN {
type hint;
file "named.ca";
};

zone "localhost" IN {
type master;
file "localhost.zone";
allow-update { none; };
};

zone "0.0.127.in-addr.arpa" IN {
type master;
file "named.local";
allow-update { none; };
};
zone "XXX.com" IN {
type s;
file "db.XXX.com";
masters { 1.2.3.4; };
};
zone "3.2.1.in-addr.arpa" IN {
type master;
file "named.rev";
masters {1.2.3.4; };
};

建立named.ca,localhost.zone,named.local文件,内容全部同主dns一样

# dig > named.ca

# vi localhost.zone

# vi named.local

启动备dns，这时个从主dns自动同步主DNS的内容。自动在你定义的工作目录内生成数据文件

# /usr/local/named/sbin/named -gc /usr/local/named/etc/named.conf &

linux+bind9.4.1 配置主备dns同步

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