DNS view and log Pressure Test

1. Configure the access control list at the top of the/etc/named. conf file.
ACL innct {
192.168.1.0/24;
127.0.0.0/8;
};
Allow query {innct ;};

2-View
Named. conf

ACL Telecom {
192.168.1.0/24;
127.0.0.8;
};

ACL Unicom {
192.161.14.0/24;
127.0.0.8;
};

Options {
Directory "/var/named ";
Allow-recursion {innet ;};
};
View Telecom {
Match-clients {Telecom ;};
Zone "xingxing.com" in {
Type master;
File "telecom.xingxing.com. Zone ";
};
Zone "xx.com" in {
Type master;
File "xx.com. Zone ";
};
};
View Unicom {
Match-clients {Unicom ;};
Zone "xingxing.com" in {
Type master;
File "unicom.xingxing.com. Zone ";
};
Zone "xx.com" in {
Type master;
File "xx.com. Zone ";
};
};


Vim/var/named/telecom.xingxing.com. Zone

$ TTL 43200
@ In SOA dns.xingxing.com. Root (
2
1 H
10 m
7D
1D)
@ In NS DNS
@ In MX 10 mail
DNS in a 192.168.1.5
Mail in a 192.168.1.5
Na in a 192.168.1.3


Vim/var/named/iunicom/unicom.xingxing.com. Zone
$ TTL 43200
@ In SOA dns.xingxing.com. Root (
2
1 H
10 m
7D
1D)
@ In NS DNS
@ In MX 10 mail
DNS in a 192.168.1.5
Mail in a 192.168.1.5
Na in a 192.161.14.3

3-enable dnslog


Vim/etc/named. conf
Options {
Querylog yes;

}

Test
Dig-t a na.xingxing.com @ 192.168.1.5
6 21:57:37 Nagios named [16147]: client 192.168.1.3 #33698: View Telecom: Query: na.xingxing.com in a + (192.168.1.5)
16 21:58:21 Nagios named [16147]: client 192.161.14.3 #47972: View Unicom: Query: na.xingxing.com in a + (192.161.14.5)
Vim/etc/named. conf

Logging {
Channel querylog {
File "/var/log/named/bind_query.log" versions 5 Size 10 m; // The format is file, the name is log. msgs, three versions are saved, and the size is 10 KB.
Severity dynamic; // Log Level
Print-time Yes; // print time
Print-category Yes; // print type
Print-severity yes; // print level
};
Channel my_syslog {
Syslog local0;
Severity Info;
};
CATEGORY queries {querylog;}; // query logs
CATEGORY xfer-out {my_file;}; // transfer out log dig-T axfs xingxing.com @ 192.168.1.1
CATEGORY update {my_syslog ;};
};

Queryperf: Stress Testing
Tar-zxvf bind-9.11.0.tgz
CD Binary-9.11.0/contrib
./Configure
Make
VI TEST
Ns.xingxing.com
Xingxing.com NS
Nagios.xingxing.com



Queryperf-d test-s 192.168.1.5

DNS query performance testing tool
Version: $ ID: queryperf. C, V 1.12 2007/09/05 07:36:04 Marka exp $

[Status] processing input data
[Status] sending queries (beginning with 192.168.1.5)
[Status] Testing complete

Statistics:

Parse input file: once
Ended due to: reaching end of File

Queries sent: 3 queries
Queries completed: 3 queries
Queries lost: 0 queries
Queries delayed (?) : 0 queries

Rtt max: 0.002752 Sec
RTT min: 0.002543 Sec
RTT average: 0.002648 Sec
Rtt std deviation: 0.000082 Sec
RTT out of range: 0 queries

Percentage completed: 100.00%
Percentage lost: 0.00%

Started at: Sun Oct 16 23:34:52 2016
Finished at: Sun Oct 16 23:34:52 2016
Ran for: 0.002870 seconds

Queries per second: 1045.296167 QPS


Install dnstop
Dnstop-4-Q-r eth0

DNS view and log Pressure Test