dns question

Clint Olson colson at sharplabs.com
Tue Jun 6 20:56:02 UTC 2006


Terry Polzin wrote:
> ------------------------------------------------------------------------
> On Tuesday 06 June 2006 16:27, Robert Nichols wrote:
>   
>> Ambrogio wrote:
>>     
>>> Now I have a practical question, because I'm on a laptop and I'm on
>>> customers network some days.
>>>
>>> It's hard to recofigure DNS server on my laptop to forward queries to a
>>> DNS server on customer LAN if I can't reach external DNS Servers because
>>> of firewall?
>>>
>>> There is a way to ask DHCP info but to ignore DNS info from DHCP Server?
>>>       
>> Certainly.  See `man dhclient.conf`.  You just need a "request"
>> statement that asks for all the default options _except_
>> domain-name-servers.  On my own system I'm running BIND, so
>> my dhclient.conf contains a line:
>>
>>       prepend domain-name-servers 127.0.0.1;
>>
>> That way, as long as my local server is running it will handle
>> any DNS requests.  If it fails, then the server(s) returned by
>> DHCP get used.
>>     
> Where is the dhclient.conf file located? 
>   
I would use 'locate dhclient' to find it.  If you installed the DHCP 
client in the last day or so, you may need to run 'updatedb' to refresh 
its database.  Incredibly useful program...

Clint Olson




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