爸爸快长大高清:DNS服务——BIND(named)
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DNS服务——BIND(named)
(2009-09-09 22:43:36) 转载标签:/etc/hosts
/etc/
resolv.conf
正向解析
反向解析
ns
a
ptr
分类: unix应用-
HOSTS文件:适用于小型网络(文本文件) NIS服务器: DNS服务器:分布式解析
- /etc/resolv.conf文件
domain
nameserver 192.168.2.1
search iei.com
- /etc/nsswitch.conf文件
用于记录主机名的搜索顺序等信息
hosts: files dns
- nslookup www.sun.com
nslookup测试
[root@old145 mac]# cat /etc/resolv.conf
search iei.com
nameserver 219.142.217.166
[root@old145 mac]# nslookup www.cisco.com
Server:
Address:
Non-authoritative answer:
Name:
Address: 198.133.219.25
[root@old145 mac]# nslookup 198.133.219.25
Server:
Address:
Non-authoritative answer:
25.219.133.198.in-addr.arpa
Authoritative answers can be found from:
219.133.198.in-addr.arpa
219.133.198.in-addr.arpa
ns1.cisco.com
ns2.cisco.com
-
/etc/named.conf
此目录是形式上的目录,其实其内的zone文件是通过ln链接指令指向/var/named/chroot/var/named/
};
zone “区域名”
type
file “文件名”
};
zone "macg.com" IN {
};zone "." IN {
};
-
正向解析,区域文件格式 (域名---地址)
$TTL
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