| 1 所需配置文件: /etc/named.conf 系统自带，需要配置 /etc/resolv.conf 系统自带，需要配置 /var/named/myqmail.com.db 系统没有，自已创建 /var/named/db.192.168.0.198 系统没有，自已创建 /var/named/named.local 系统自带，不需要修改 /var/named/named.ca 系统自带，不需要修改 配置DNS的实例: 配置DNS的实例: 1 所需配置文件: /etc/named.conf 系统自带，需要配置 /etc/resolv.conf 系统自带，需要配置 /var/named/myqmail.com.db 系统没有，自已创建 /var/named/db.192.168.0.198 系统没有，自已创建 /var/named/named.local 系统自带，不需要修改 /var/named/named.ca 系统自带，不需要修改 2 相关工具 nslookup 说明：检测DNS是否配置正确的工具，系统自带。 3 配置方案 3.1 /etc/named.conf 说明：DNS主配置文件，定义了域数据库信息的基本参数和源点，该文件可以存放在本地或远程的服务器上。源文件： // generated by named-bootconf.pl options { directory "/var/named"; /* * If there is a firewall between you and nameservers you want * to talk to, you might need to uncomment the query-source * directive below. Previous versions of BIND always asked * questions using port 53, but BIND 8.1 uses an unprivileged * port by default. */ // query-source address * port 53; }; // // a caching only nameserver config // controls { inet 127.0.0.1 allow { localhost; } keys { rndckey; }; }; zone "." IN { type hint; file "named.ca"; }; zone "localhost" IN { type master; file "localhost.zone"; allow-update { none; }; }; zone "0.0.127.in-addr.arpa" IN { type master; file "named.local"; allow-update { none; }; }; zone "myqmail.com" IN { type master; file "myqmail.com.db"; allow-update { none;}; }; zone "0.168.192.in-addr.arpa" IN{ type master; file "db.192.168.0.198"; allow-update { none;}; }; include "/etc/rndc.key"; 3.2 /var/named/myqmail.com.db 说明：正向解析配置文件,即实现域名到IP的对应。源文件： $TTL 86400 @ IN SOA www.myqmail.com. myqmail.com. ( 2002103000 ; Serial 28800 ; Refresh 14400 ; Retry 3600000 ; Expire 86400 ) ; Minimum IN NS www.myqmail.com. localhost IN A 127.0.0.1 www IN A 192.168.0.198 3.3 /var/named/db.192.168.0.198 说明：DNS反向解析配置文件，即实现IP地址很域名的映射。 |