部署bind解析域名
部署主DNS服務器html
安裝bind
yum install bind-chroot bind-utils -ygit
迭代查詢 返回dns服務器地址
遞歸查詢 返回查詢結果vim
修改主配置文件
vim /etc/named.conf服務器
1 //
2 // named.conf 3 //
4 // Provided by Red Hat bind package to configure the ISC BIND named(8) DNS 5 // server as a caching only nameserver (as a localhost DNS resolver only). 6 //
7 // See /usr/share/doc/bind*/sample/ for example named configuration files. 8 //
9 // See the BIND Administrator's Reference Manual (ARM) for details about the 10 // configuration located in /usr/share/doc/bind-{version}/Bv9ARM.html
11 options { 12 listen-on port 53 { any; };#對全部IP提供解析服務 13 directory "/var/named"; 14 dump-file "/var/named/data/cache_dump.db"; 15 statistics-file "/var/named/data/named_stats.txt"; 16 memstatistics-file "/var/named/data/named_mem_stats.txt"; 17 allow-query { any; };#容許全部IP發起查詢請求 18 forwarders {8.8.8.8;};#容許轉發查詢 19 /*
20 - If you are building an AUTHORITATIVE DNS server, do NOT enable recursion. 21 - If you are building a RECURSIVE (caching) DNS server, you need to enable 22 recursion. 23 - If your recursive DNS server has a public IP address, you MUST enable access 24 control to limit queries to your legitimate users. Failing to do so will 25 cause your server to become part of large scale DNS amplification 26 attacks. Implementing BCP38 within your network would greatly 27 reduce such attack surface 28 */
29 recursion yes; 30
31 dnssec-enable yes; 32 dnssec-validation yes; 33
34 /* Path to ISC DLV key */
35 bindkeys-file "/etc/named.iscdlv.key"; 36
37 managed-keys-directory "/var/named/dynamic"; 38
39 pid-file "/run/named/named.pid"; 40 session-keyfile "/run/named/session.key"; 41 }; 42
43 logging { 44 channel default_debug { 45 file "data/named.run"; 46 severity dynamic; 47 }; 48 }; 49
50 zone "." IN { 51 type hint; 52 file "named.ca"; 53 }; 54
55 include "/etc/named.rfc1912.zones"; 56 include "/etc/named.root.key";
添加我的域名
正向解析
vim /etc/named.rfc1912.zones
session
1 // named.rfc1912.zones: 2 //
3 // Provided by Red Hat caching-nameserver package 4 //
5 // ISC BIND named zone configuration for zones recommended by 6 // RFC 1912 section 4.1 : localhost TLDs and address zones 7 // and http://www.ietf.org/internet-drafts/draft-ietf-dnsop-default-local-zones-02.txt
8 // (c)2007 R W Franks 9 //
10 // See /usr/share/doc/bind*/sample/ for example named configuration files. 11 // 12 zone "8kb24.cn" IN { 13 type master; 14 file "8kb24.cn.zone"; 15 allow-update {none;}; 16 }; 17 zone "121.168.192.in-addr.arpa" IN{ 18 type master; 19 file "192.168.121.arpa"; 20 allow-update {none;}; 21 };
編輯正向解析zone文件
vim /var/named/8kb24.cn.zonetcp
1 $TTL 1D 2 @ IN SOA 8kb24.cn. test.163.com. ( 3 0 ; serial 4 1D ; refresh 5 1H ; retry 6 1W ; expire 7 3H ) ; minimum 8 NS ns.8kb24.cn. 9 A 192.168.121.11
10 ns IN A 192.168.121.11
11 www IN A 192.168.121.11
12 IN MX 10 mail.8kb24.cn. 13 mail IN A 192.168.121.11
14 host IN CNAME www
編輯反向解析zone文件
vim /var/named/192.168.121.arpaide
1 $TTL 1D 2 @ IN SOA 8kb24.cn. test.163.com. ( 3 0 ; serial 4 1D ; refresh 5 1H ; retry 6 1W ; expire 7 3H ) ; minimum 8 NS ns.8kb24.cn. 9 A 192.168.121.11
10 11 PTR ns.8kb24.cn. 11 11 PTR www.8kb24.cn. 12 11 PTR mail.8kb24.cn. 13 11 PTR host.8kb24.cn.
修改zone文件屬主屬組
chown root.named /var/named/192.68.121.arpa
chown root.named /var/named/8kb24.cn.zoneui
啓動named
systemctl enable named
systemclt start named加密
開放防火牆端口
firewall-cmd --zone=public --permanent --add-port=53/tcp
firewall-cmd --zone=public --permanent --add-port=53/udp
firewall-cmd --reload
部署從DNS服務器spa
安裝bind
yum install -y bind-chroot bind-utils -y
修改主DNS服務器配置文件
vim /etc/named.rfc1912.zones
1 zone "8kb24.cn" IN { 2 type master; 3 file "8kb24.cn.zone"; 4 allow-update { 192.168.121.12; }; 5 }; 6
7
8 zone "121.168.192.in-addr.arpa" IN { 9 type master; 10 file "192.168.121.arpa"; 11 allow-update {192.168.121.12; }; 12 };
修改從DNS服務器配置文件
vim /etc/named.rfc1912.zones
1 zone "8kb24.cn" IN { 2 type slave; 3 masters { 192.168.121.11; }; 4 file "slaves/8kb24.cn.zone"; 5 }; 6
7 zone "121.168.192.in-addr.arpa" IN { 8 type slave; 9 masters { 192.168.121.11;}; 10 file "slaves/192.168.121.arpa"; 11 };
啓動從DNS服務器
systemctl enable named
systemctl start named
重啓主DNS服務器
systemctl restart named
[root@Sdns slaves]# ll /var/named/slaves
total 8
-rw-r--r-- 1 named named 385 Sep 22 15:12 192.168.121.arpa
-rw-r--r-- 1 named named 268 Sep 22 15:12 8kb24.cn.zone
主從服務器加密傳輸
主DNS服務器生成密鑰
root@Mdns ~]# dnssec-keygen -a HMAC-MD5 -b 128 -n HOST chenxiaowei
Kchenxiaowei.+157+53919
[root@Mdns ~]# cat Kchenxiaowei.+157+53919.key
chenxiaowei. IN KEY 512 3 157 xRVknXER5gnr4QL1r8atlg==
建立密鑰文件(主從服務器都同樣)
vim /var/named/chroot/etc/chenxiaowei.key
1 key "chenxiaowei" { 2 algorithm hmac-md5; 3 secret "xRVknXER5gnr4QL1r8atlg=="; 4 };
chown root.named /var/named/chroot/etc/chenxiaowei.key
ln /var/named/chroot/etc/chenxiaowei.key /etc/
修改主DNS服務器的配置文件
vim /etc/named.conf
//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
// See the BIND Administrator's Reference Manual (ARM) for details about the
// configuration located in /usr/share/doc/bind-{version}/Bv9ARM.html
include "/etc/chenxiaowei.key";;#此處爲兩個分號
options {
listen-on port 53 { any; };
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";
allow-query { any; };
allow-transfer {key chenxiaowei; };
forwarders {114.114.114.114;};
/*
- If you are building an AUTHORITATIVE DNS server, do NOT enable recursion.
- If you are building a RECURSIVE (caching) DNS server, you need to enable
recursion.
- If your recursive DNS server has a public IP address, you MUST enable access
control to limit queries to your legitimate users. Failing to do so will
cause your server to become part of large scale DNS amplification
attacks. Implementing BCP38 within your network would greatly
reduce such attack surface
*/
recursion yes;
dnssec-enable yes;
dnssec-validation yes;
/* Path to ISC DLV key */
bindkeys-file "/etc/named.iscdlv.key";
managed-keys-directory "/var/named/dynamic";
pid-file "/run/named/named.pid";
session-keyfile "/run/named/session.key";
};
logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};
zone "." IN {
type hint;
file "named.ca";
};
include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";
修改從DNS服務器的配置文件
vim /etc/named.conf
//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
// See the BIND Administrator's Reference Manual (ARM) for details about the
// configuration located in /usr/share/doc/bind-{version}/Bv9ARM.html
include "/etc/chenxiaowei.key";;
options {
listen-on port 53 { any; };
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";
allow-query { any; };
/*
- If you are building an AUTHORITATIVE DNS server, do NOT enable recursion.
- If you are building a RECURSIVE (caching) DNS server, you need to enable
recursion.
- If your recursive DNS server has a public IP address, you MUST enable access
control to limit queries to your legitimate users. Failing to do so will
cause your server to become part of large scale DNS amplification
attacks. Implementing BCP38 within your network would greatly
reduce such attack surface
*/
recursion yes;
dnssec-enable yes;
dnssec-validation yes;
/* Path to ISC DLV key */
bindkeys-file "/etc/named.iscdlv.key";
managed-keys-directory "/var/named/dynamic";
pid-file "/run/named/named.pid";
session-keyfile "/run/named/session.key";
};
server 192.168.121.11 {
keys {
chenxiaowei;
};
};
logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};
zone "." IN {
type hint;
file "named.ca";
};
include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";
重啓主從服務器named服務
systemctl restart named
分散解析
vim /etc/named.rfc1912.zones
1 acl "gz" {192.168.221.0/24} 2 acl "sz" {192.168.222.0/24} 3 view "gz" { 4 match-clients{"gz";}; 5 zone "8kb24.cn"{ 6 type master; 7 file "8kb24.cn..gz.zone"; 8 }; 9 }; 10
11 view "sz" { 12 match-clients{"sz";}; 13 zone "8kb24.cn"{ 14 type master; 15 file "8kb24.cn.sz.zone"; 16 }; 17 };
vim /var/named/8kb24.cn.gz.zone
1 $TTL 1D 2 @ IN SOA 8kb24.cn. test.163.com. ( 3 0 ; serial 4 1D ; refresh 5 1H ; retry 6 1W ; expire 7 3H ) ; minimum 8 NS ns.8kb24.cn. 9 A 192.168.121.11
10 ns IN A 192.168.121.11
11 www IN A 192.168.121.11
12 IN MX 10 mail.8kb24.cn. 13 mail IN A 192.168.121.11
14 host IN CNAME www
vim /var/named/8kb24.cn.sz.zone
1 $TTL 1D 2 @ IN SOA 8kb24.cn. test.163.com. ( 3 0 ; serial 4 1D ; refresh 5 1H ; retry 6 1W ; expire 7 3H ) ; minimum 8 NS ns.8kb24.cn. 9 A 192.168.121.11
10 ns IN A 192.168.121.11
11 www IN A 192.168.121.11
12 IN MX 10 mail.8kb24.cn. 13 mail IN A 192.168.121.11
14 host IN CNAME www
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