[SATLUG] Linux Client DNS Hostname Lookup Problem (reverse dns)

Geoff geofff at w5omr.shacknet.nu
Wed Jun 18 15:07:15 CDT 2008


jaret wrote:
> Geoff wrote:
>> jaret wrote:
>>  
>>>> I might have missed this previously but, whats in /etc/resolv.conf
>>>> ? If your system is grabbing an IP via DHCP you might wanna check to
>>>> make sure nameservers are being provided.
>>>>
>>>> Florian
>>>>       
>>> My resolv.conf is good. The network admin came over and we looked at
>>> it together and did different ping tests. I can ping the IP of other
>>> computers in the network. It's just the windows-dns server that
>>> doesn't communicate with my linux laptop.
>>>     
>>
>> just for reference, Jaret... my resolv.conf points to the ip address of
>> the domain name server.  There are two lines that are something like:
>>
>> domain hostname.ext
>> nameserver umerical.ip.address.to.hostname.ext (ie: 192.168.1.1)
>>
>>
>> you could point it to 4.2.2.1  -  I don't remember who that belongs to,
>> but it's a nameserver.
>>   
> My resolv.conf looks like this, where search NAME points to the
> nameserver IP:
>
> search ACMEDOMAIN
> nameserver #.#.#.#
>
> I double-checked my settings... Your box uses "domain" whereas mine
> has "search". I don't think that makes a difference. When using the
> full hostname I still cannot ping the DNS server from Linux.  I can
> ping using Win XP using both hostname and ip.

my box is also a server/router/gateway/firewall as well as has dns
turned on for the LAN.  outward looking interface name is obtained from
dyndns.org.

ip is obtained from Time-Warner and dhcpcd.



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