bind

13台根DNS服务器

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yum install bind-chroot
Loaded plugins: langpacks, product-id, subscription-manager
………………省略部分输出信息………………
Installing:
 bind-chroot x86_64 32:9.9.4-14.el7 rhel 81 k
Installing for dependencies:
 bind x86_64 32:9.9.4-14.el7 rhel 1.8 M
Transaction Summary
===============================================================================
Install 1 Package (+1 Dependent package)
Total download size: 1.8 M
Installed size: 4.3 M
Is this ok [y/d/N]: y
Downloading packages:
-------------------------------------------------------------------------------
Total 28 MB/s | 1.8 MB 00:00 
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
 Installing : 32:bind-9.9.4-14.el7.x86_64 1/2 
 Installing : 32:bind-chroot-9.9.4-14.el7.x86_64 2/2 
 Verifying : 32:bind-9.9.4-14.el7.x86_64 1/2 
 Verifying : 32:bind-chroot-9.9.4-14.el7.x86_64 2/2 
Installed:
 bind-chroot.x86_64 32:9.9.4-14.el7 
Dependency Installed:
 bind.x86_64 32:9.9.4-14.el7 
Complete!

vim /etc/named.conf
 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 
 10 options {
 11 listen-on port 53 { any; };
 12 listen-on-v6 port 53 { ::1; };
 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; };
 18 
 19 /* 
 20 - If you are building an AUTHORITATIVE DNS server, do NOT enable re cursion.
 1,1 Top
 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 en able 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 dnssec-lookaside auto;
 34 
 35 /* Path to ISC DLV key */
 36 bindkeys-file "/etc/named.iscdlv.key";
 37 
 38 managed-keys-directory "/var/named/dynamic";
 39 
 40 pid-file "/run/named/named.pid";
 41 session-keyfile "/run/named/session.key";
 42 };
 43 
 44 logging {
 45 channel default_debug {
 46 file "data/named.run";
 47 severity dynamic;
 48 };
 49 };
 50 
 51 zone "." IN {
 52 type hint;
 53 file "named.ca";
 54 };
 55 
 56 include "/etc/named.rfc1912.zones";
 57 include "/etc/named.root.key";

#正向解析
vim /etc/named.rfc1912.zones
zone "linuxprobe.com" IN {
type master;
file "linuxprobe.com.zone";
allow-update {none;};
};

cd /var/named/
ls -al named.localhost
-rw-r-----. 1 root named 152 Jun 21 2007 named.localhost
cp -a named.localhost linuxprobe.com.zone

vim linuxprobe.com.zone
systemctl restart named

systemctl restart network
nslookup
> www.linuxprobe.com
Server: 127.0.0.1
Address: 127.0.0.1#53
Name: www.linuxprobe.com
Address: 192.168.10.10
> bbs.linuxprobe.com
Server: 127.0.0.1
Address: 127.0.0.1#53
Name: bbs.linuxprobe.com
Address: 192.168.10.20

#反向解析
vim /etc/named.rfc1912.zones
zone "linuxprobe.com" IN {
type master;
file "linuxprobe.com.zone";
allow-update {none;};
};
zone "10.168.192.in-addr.arpa" IN {
type master;
file "192.168.10.arpa";
};

cp -a named.loopback 192.168.10.arpa
vim 192.168.10.arpa
systemctl restart named

nslookup
 > 192.168.10.10
 Server: 127.0.0.1
 Address: 127.0.0.1#53
 10.10.168.192.in-addr.arpa name = ns.linuxprobe.com.
 10.10.168.192.in-addr.arpa name = www.linuxprobe.com.
 10.10.168.192.in-addr.arpa name = mail.linuxprobe.com.
 > 192.168.10.20
 Server: 127.0.0.1
 Address: 127.0.0.1#53
 20.10.168.192.in-addr.arpa name = bbs.linuxprobe.com.

#部署从服务器
vim /etc/named.rfc1912.zones
zone "linuxprobe.com" IN {
type master;
file "linuxprobe.com.zone";
allow-update { 192.168.10.20; };
};
zone "10.168.192.in-addr.arpa" IN {
type master;
file "192.168.10.arpa";
allow-update { 192.168.10.20; };
};
systemctl restart named

vim /etc/named.rfc1912.zones
zone "linuxprobe.com" IN {
type slave;
masters { 192.168.10.10; };
file "slaves/linuxprobe.com.zone";
};
zone "10.168.192.in-addr.arpa" IN {
type slave;
masters { 192.168.10.10; };
file "slaves/192.168.10.arpa";
};
systemctl restart named

cd /var/named/slaves
ls 
192.168.10.arpa linuxprobe.com.zone

nslookup
> www.linuxprobe.com
Server: 192.168.10.20
Address: 192.168.10.20#53
Name: www.linuxprobe.com
Address: 192.168.10.10
> 192.168.10.10
Server: 192.168.10.20
Address: 192.168.10.20#53
10.10.168.192.in-addr.arpa name = www.linuxprobe.com.
10.10.168.192.in-addr.arpa name = ns.linuxprobe.com.
10.10.168.192.in-addr.arpa name = mail.linuxprobe.com.

#加密传输
ls -al /var/named/slaves/
total 12
drwxrwx---. 2 named named   54 Jun 7 16:02 .
drwxr-x---. 6 root  named 4096 Jun 7 15:58 ..
-rw-r--r--. 1 named named  432 Jun 7 16:02 192.168.10.arpa
-rw-r--r--. 1 named named  439 Jun 7 16:02 linuxprobe.com.zone

dnssec-keygen命令

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dnssec-keygen -a HMAC-MD5 -b 128 -n HOST master-slave
Kmaster-slave.+157+46845

ls -al Kmaster-slave.+157+46845.*
-rw-------. 1 root root 56 Jun 7 16:06 Kmaster-slave.+157+46845.key
-rw-------. 1 root root 165 Jun 7 16:06 Kmaster-slave.+157+46845.private

cat Kmaster-slave.+157+46845.private
Private-key-format: v1.3
Algorithm: 157 (HMAC_MD5)
Key: 1XEEL3tG5DNLOw+1WHfE3Q==
Bits: AAA=
Created: 20170607080621
Publish: 20170607080621
Activate: 20170607080621

cd /var/named/chroot/etc/
vim transfer.key
key "master-slave" {
algorithm hmac-md5;
secret "1XEEL3tG5DNLOw+1WHfE3Q==";
};

chown root:named transfer.key
chmod 640 transfer.key
ln transfer.key /etc/transfer.key

vim /etc/named.conf
 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 include "/etc/transfer.key";
 10 options {
 11 listen-on port 53 { any; };
 12 listen-on-v6 port 53 { ::1; };
 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; };
 18 allow-transfer { key master-slave; };
………………省略部分输出信息………………
systemctl restart named

rm -rf /var/named/slaves/*
systemctl restart named
ls  /var/named/slaves/

cd /var/named/chroot/etc
vim transfer.key
key "master-slave" {
algorithm hmac-md5;
secret "1XEEL3tG5DNLOw+1WHfE3Q==";
};

chown root:named transfer.key
chmod 640 transfer.key
ln transfer.key /etc/transfer.key

vim /etc/named.conf
 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 include "/etc/transfer.key";
 10 options {
 11 listen-on port 53 { 127.0.0.1; };
 12 listen-on-v6 port 53 { ::1; };
 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 { localhost; };
 18 
 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 dnssec-lookaside auto;
 34 
 35 /* Path to ISC DLV key */
 36 bindkeys-file "/etc/named.iscdlv.key";
 37 
 38 managed-keys-directory "/var/named/dynamic";
 39 
 40 pid-file "/run/named/named.pid";
 41 session-keyfile "/run/named/session.key";
 42 };
 43 server 192.168.10.10
 44 {
 45 keys { master-slave; };
 46 }; 
 47 logging {
 48 channel default_debug {
 49 file "data/named.run";
 50 severity dynamic;
 51 };
 52 };
 53 
 54 zone "." IN {
 55 type hint;
 56 file "named.ca";
 57 };
 58 
 59 include "/etc/named.rfc1912.zones";
 60 include "/etc/named.root.key";

systemctl restart named
ls /var/named/slaves/
 192.168.10.arpa  linuxprobe.com.zone

#缓存服务器
vim /etc/named.conf
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 options {
10 listen-on port 53 { any; };
11 listen-on-v6 port 53 { ::1; };
12 directory "/var/named";
13 dump-file "/var/named/data/cache_dump.db";
14 statistics-file "/var/named/data/named_stats.txt";
15 memstatistics-file "/var/named/data/named_mem_stats.txt";
16 allow-query { any; };
17 forwarders { 210.73.64.1; };
………………省略部分输出信息………………
systemctl restart named

nslookup
> www.linuxprobe.com
Server: 192.168.10.10
Address: 192.168.10.10#53

Non-authoritative answer:
Name: www.linuxprobe.com
Address: 113.207.76.73
Name: www.linuxprobe.com
Address: 116.211.121.154
> 8.8.8.8
Server: 192.168.10.10
Address: 192.168.10.10#53

Non-authoritative answer:
8.8.8.8.in-addr.arpa name = google-public-dns-a.google.com.
Authoritative answers can be found from:
in-addr.arpa nameserver = f.in-addr-servers.arpa.
in-addr.arpa nameserver = b.in-addr-servers.arpa.
in-addr.arpa nameserver = a.in-addr-servers.arpa.
in-addr.arpa nameserver = e.in-addr-servers.arpa.
in-addr.arpa nameserver = d.in-addr-servers.arpa.
in-addr.arpa nameserver = c.in-addr-servers.arpa.
a.in-addr-servers.arpa internet address = 199.212.0.73
a.in-addr-servers.arpa has AAAA address 2001:500:13::73
b.in-addr-servers.arpa internet address = 199.253.183.183
b.in-addr-servers.arpa has AAAA address 2001:500:87::87
c.in-addr-servers.arpa internet address = 196.216.169.10
c.in-addr-servers.arpa has AAAA address 2001:43f8:110::10
d.in-addr-servers.arpa internet address = 200.10.60.53
d.in-addr-servers.arpa has AAAA address 2001:13c7:7010::53
e.in-addr-servers.arpa internet address = 203.119.86.101
e.in-addr-servers.arpa has AAAA address 2001:dd8:6::101
f.in-addr-servers.arpa internet address = 193.0.9.1
f.in-addr-servers.arpa has AAAA address 2001:67c:e0::1

#分离解析技术
vim /etc/named.conf
………………省略部分输出信息………………
 44 logging {
 45 channel default_debug {
 46 file "data/named.run";
 47 severity dynamic;
 48 };
 49 };
 50 
 51 zone "." IN {
 52 type hint;
 53 file "named.ca";
 54 };
 55 
 56 include "/etc/named.rfc1912.zones";
 57 include "/etc/named.root.key";
 58
………………省略部分输出信息………………

vim /etc/named.rfc1912.zones
1 acl "china" { 122.71.115.0/24; };
2 acl "american" { 106.185.25.0/24;};
3 view "china"{
4 match-clients { "china"; };
5 zone "linuxprobe.com" {
6 type master;
7 file "linuxprobe.com.china";
8 };
9 };
10 view "american" {
11 match-clients { "american"; };
12 zone "linuxprobe.com" {
13 type master;
14 file "linuxprobe.com.american";
15 };
16 };

cd /var/named
cp -a named.localhost linuxprobe.com.china
cp -a named.localhost linuxprobe.com.american
vim linuxprobe.com.china

vim linuxprobe.com.American

#cmd
nslookup www.linuxprobe.com

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