In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-04-01 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
Share
Shulou(Shulou.com)06/02 Report--
I. DNS separation and resolution
1. In fact, the domain name server for separation and resolution is also the main domain name server. The separation resolution (DNS) here mainly refers to providing different domain name resolution records according to different clients. When machines from different addresses request to resolve the same domain name, different resolution results are provided for them.
two。 For example, when the DNS server provides services to both Internet and the enterprise internal local area network, you can
The data of local area network users accessing the company domain name (www.kgc.com) is sent directly to the website and mail server located in the intranet, so as to reduce the address translation burden of the gateway server, as shown in the figure.
two。 Experimental environment
Equipment requires ip address one Linux computer as domain name server two network cards public network: 12.0.0.1 Intranet: 192.168.10.1 two pc one analog external network PC one analog intranet pc external network address: 12.0.0.12 Intranet: 192.168.10.10
Three experimental steps
1.yum-y install bind installation
two。 Create a master configuration file (/ etc/named.conf)
Options {
Listen-on port 53 {any;}; / / changed to any
Listen-on-v6 port 53 {:: 1;}
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;}; / / changed to any
3. Create a zone configuration file (/ etcvim / etc/named.rfc1912.zones / named.)
View "lan" {/ / set an attempt to face the intranet
Match-clients {192.168.10.0amp 24;}; / / the matching condition is the client address from the intranet
Zone "kgc.com" IN {type master; file "kgc.com.lan"; / / specify an address data file for intranet users}; zone "." IN {/ / cut the root domain of the main configuration file to type hint; file "named.ca";};}
View "wan" {/ / set settings for external network users
Match-clients {12.0.0.0amp 24;}; / / the matching condition is 12.0.0.0 IP address range can be set to any
Zone "kgc.com" IN {
Type master
File "kgc.com.wan"; / / specify the location database file for external network users
}
}
4. Create a zone configuration data file (create kgc.com.lan and kgc.com.wan files in the / var/named directory)
The content of kgc.com.lan file is as follows
$TTL 1D
@ IN SOA kgc.com. Admin.kgc.com. (
0; serial
1D; refresh
1H; retry
1W; expire
3H); minimum
NS kgc.com.
A 192.168.10.1
Www IN A 192.168.10.100
Smtp IN A 192.168.10.111
The content of kgc.con.wan file is as follows
$TTL 1D
@ IN SOA kgc.com. Admin.kgc.com. (
0; serial
1D; refresh
1H; retry
1W; expire
3H); minimum
NS kgc.com.
A 12.0.0.1
Www IN A 12.0.0.1
Smtp IN A 12.0.0.1
5. Turn off Firewall systemctl stop Firewalld
6. Start the service systemctl start bind
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 257
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.