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DNS正向解析失败是什么原因?

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发表于 2003-11-27 14:58:41 | 显示全部楼层 |阅读模式
我安装的是linux7.2 server,完全安装,单网卡,在进行服务器配置时,参照帖子:http://www.linuxsir.cn/forum.php?mod=viewthread&tid=13686 进行的。
DHCP能正常工作,DNS有问题,我用nslookup做测试时,正向解析失败,提示错误“;; connetction timed out; no servers could be reached”。反向解析没问题。

我的基本配置如下:
************************************ Network
vi /etc/sysconfig/network
HOSTNAME= server
DOMAINNAME="mydomain.com.cn"
GATEWAY="192.168.0.1"
GATEWAY="eth0"
NETWORKING=YES
onBOOT=YES
FORWARD_IPV4="yes"

************************************ eth0
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE="eth0"
BOOTPROTO="none"
IPADDR="192.168.0.1"
NETMASK="255.255.255.0"
onBOOT="yes"
IPXNETNUM_802_2=""
IPXPRIMARY_802_2="no"
IPXACTIVE_802_2="no"
IPXNETNUM_802_3=""
IPXPRIMARY_802_3="no"
IPXACTIVE_802_3="no"
IPXNETNUM_ETHERII=""
IPXPRIMARY_ETHERII="no"
IPXACTIVE_ETHERII="no"
IPXNETNUM_SNAP=""
IPXPRIMARY_SNAP="no"
IPXACTIVE_SNAP="no"
**************************************DHCP
vi /etc/dhcpd.conf
subnet 192.168.0.0 netmask 255.255.255.0 {
option routers 192.168.0.1;
option subnet-mask 255.255.255.0;
option domain-name "weboa.com.cn";
option domain-name-servers 192.168.0.1;
range dynamic-bootp 192.168.0.10 192.168.0.250;
default-lease-time 1200;
max-lease-time 87600;
}

**************************************DNS
vi /etc/named.conf         //配置named.conf
options {
  directory "/var/named";
};
zone "." {
  type hint;
    file "named.ca";
};
zone "0.0.127.in-addr.arpa" {
    type master;    
    file "named.local";
};
zone "0.168.192.in-addr.arpa" {
type master;
file "ip2name.conf";
};
zone "mydomain.com.cn" in {    
type master;
file "name2ip.conf";
};

#########
vi /var/named/name2ip.conf      //配置name2ip.conf
@ IN SOA  www.mydomain.com.cn. root.www.mydomain.com.cn.
(  1997022700 ; Serial
   28800   ; Refresh
   14400   ; Retry
   3600000  ; Expire
   86400 )  ; Minimum 
       IN  NS  www.mydomain.com.cn.
       IN  MX 10 mail.mydomain.com.cn.
localhost  IN  A  127.0.0.1
www     IN  A  192.168.0.1
mail     IN  A  192.168.0.1
pop3     IN  A  192.168.0.1
smtp     IN  A  192.168.0.1
@      IN  A  192.168.0.1
#########
vi /var/named/ip2name.conf      //配置ip2name.conf
@ IN SOA www.mydomain.com.cn. root.www.mydomain.com.cn. (
   1997022700 ; Serial
   28800   ; Refresh
   14400   ; Retry
   3600000  ; Expire
   86400 )  ; Minimum
   IN  NS   www.mydomain.com.cn.
   IN  MX 10 mail.mydomain.com.cn.
1   IN  PTR   www.mydomain.com.cn.

#########
vi /etc/hosts     //配置hosts
127.0.0.1   localhost.localdomain   localhost
192.168.0.1  www.mydomain.com.cn      www

#########
vi /etc/resolv.conf
search mydomain.com.cn
nameserver 192.168.0.1


*********************************************************
以上为我所做的全部配置,DHCP能够正常运行,但是DNS正向解析始终不行,反向可以,我为此折磨了近一个星期,郁闷啊,请兄弟帮帮小弟,看看问题出在那里,小弟不胜感激,谢谢!!!!
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