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 From:  rgreiner <mrgreiner at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] DNS behavior
 Date:  Tue, 25 Nov 2008 14:41:00 -0200
Fred Grayson wrote:
> rgreiner wrote:
>> Hi,
>>
>> I'm getting a strange behavior with DNS using Monowall 1.235.
>>
>> All our clients are using monowall as their gateway and DNS.
>>
>> Monowall is configured as a DNS forwarder to our 3 real DNS servers
>> (which are outside the monowall controlled network).
>>
>> When I'm on one of our windows client boxes command line and type
>> "nslookup <some random server>", I get a timeout in the response. But,
>> if a try to ping that name, open a web page, etc, it does resolve
>> without problems. The Monowall server has a relatively high load, but
>> it's not overloaded (the cpu usage stays usually between 20% and 50%,
>> with a load of
>>
>> Does that make any sense to anyone? Did I miss something painfully
>> obvious???
>>
>> Any help would be appreciated.
>>
>> Tks.
>>
>>    -----------------------------
>>
>> Output sample from the nslookup:
>>
>> DNS request timed out.
>>     timeout was 2 seconds.

>> 172.16.0.1: Time
>> d out

>> Servidor:  UnKnown
>> Address:  172.16.0.1
>>
>> DNS request timed out.
>>     timeout was 2 seconds.
>> DNS request timed out.
>>     timeout was 2 seconds.

>>
>>    --------------------------
>>
>> ipconfig output

>>

>>




>>   ------------------------
>>
>> Monowall load:
>>
>> m0n0wall: execute command
>>
>> $ uptime
>> 12:20PM  up  1:21, 0 users, load averages: 0.21, 0.46, 0.46
>>
>>
>>
>
> You say m0nowall is is configured as a DNS forwarder to your 3 real
> DNS servers. Have you verified that all three of these DNS servers are
> actually working? I would test each one in the order you have them
> listed in the m0n0wall configuration.
>
Yes,

I've double checked, and all three DNS are working fine.

Roberto

-- 
  -----------------------------------------------------
                Marcos Roberto Greiner

   Os otimistas acham que estamos no melhor dos mundos
    Os pessimistas tem medo de que isto seja verdade
                                       Murphy
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