对于今天正在开发的同事来说,内网无法通过域名访问自己的服务器!然后我做了以下测试,发现了这个问题:
[root@itmop ~]# ping www.downcc.com
ping: unknown host www.downcc.com
[root@itmop ~]#ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=0.537 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=0.430 ms
—192.168.1.1 ping statistics—
2 packets transmitted, 2 received, 0% packet loss, time 999ms
rtt min/avg/max/mdev=0.430/0.483/0.537/0.057 ms
[root@itmop ~]#cat /etc/host.conf
order bind,hosts
一查,就解决了。原因和方法如下:
[root@itmop ~]# grep host /etc/nsswitch.conf
#hosts: db files nisplus nis dns
hosts: files
主机只找文件不走dns,所以应该是hosts: files dns!