三

DNS：域名解析服务（域名---IP）
SOA NS MX A PTR CNAME
bind named(service named restart)
反向地址：
[root@bogon named]# vi /etc/named.rfc1912.zones
zone "1.168.192.in-addr.arpa" IN {
type master;
file "f";
};

[root@bogon ~]# cd /var/named
[root@bogon named]# ls
data named.ca named.localhost slaves
dynamic named.empty named.loopback z
[root@bogon named]# cp z f
[root@bogon named]#vi f
$TTL 1D
@ IN SOA @ rname.invalid. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
NS @
A 192.168.1.100
100 PTR www.123.com.
101 PTR ftp.123.com.
[root@bogon named]# chown named:named f（或cp –p z f可省略此步骤）
[root@bogon named]# service named restart
Stopping named: .[ OK ]
Starting named: [ OK ]
[root@bogon named]# nslookup
> 192.168.1.100
Server: 192.168.1.100
Address: 192.168.1.100#53

100.1.168.192.in-addr.arpa name = www.123.com.

DHCP：dhcpd（service dhcpd restart）
安装：[root@bogon named]# yum install dhcp

[root@bogon ~]# cp -p /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample /etc/dhcp/dhcpd.conf

[root@bogon ~]# vi /etc/dhcp/dhcpd.conf
#ddns-update-style none;
log-facility local7;
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.101 192.168.1.110;
#option domain-name-servers 123.com;
#option domain-name "internal.example.org";
option routers 192.168.1.254;
option broadcast-address 192.168.1.255;
default-lease-time 600;
max-lease-time 7200;
}

[root@bogon ~]# service dhcpd restart
Starting dhcpd: [ OK ]
[root@bogon ~]#