[Dnsmasq-discuss] "--all-servers" always on?

[Siji Sunny]

There is no "default" option. It actually give error if I add it by itself
> or "all-servers=default".
>
It not "all-servers=default", just "default"


> I went through the man page again and there is no other option affecting
> this behavior. I am starting to think this is a bug.
>
> On Tue, Dec 10, 2019 at 1:03 AM Siji Sunny <
> siji.sunny at sugarboxnetworks.com> wrote:
>
>>
>> It should be off, base on manpage. And I don't know how to set a "off" to
>>> it.
>>>
>>
>> Adding "default" inside the config file, may help you. With reference to
>> man page, default option will send queries to just one server.
>>
>>
>>> On Tue, Dec 10, 2019 at 12:45 AM Siji Sunny <
>>> siji.sunny at sugarboxnetworks.com> wrote:
>>>
>>>>
>>>> Base on my understanding of the manpage, "all-servers" means dnsmasq
>>>>> will send query to all servers at once and use the 1st response.
>>>>>
>>>>> I am seeing all my queries, if not already in cache, are sent to all
>>>>> servers configured. But I don't have "all-servers" set. I want to turn off
>>>>> this behavior.
>>>>>
>>>>
>>>> Interesting, we used to enable it by adding the entry all-servers @
>>>> dnsmasq.conf file. And by default its turned-off.
>>>>
>>>>
>>>>>
>>>>> On Tue, Dec 10, 2019 at 12:29 AM Siji Sunny <
>>>>> siji.sunny at sugarboxnetworks.com> wrote:
>>>>>
>>>>>>
>>>>>> OS: Ubuntu 18.04 with all updates
>>>>>>> dnsmasq version: 2.79-1
>>>>>>>
>>>>>>> According to man page:
>>>>>>>
>>>>>>> --all-servers
>>>>>>>     By default, when dnsmasq has more than one upstream server
>>>>>>> available, it will send queries to just one server. Setting this flag
>>>>>>> forces dnsmasq to send all queries to all available servers. The reply
>>>>>>>  from  the  server  which  answers first will be returned to the original
>>>>>>> requester.
>>>>>>>
>>>>>>> I don't have that flag in command line or in the config file.
>>>>>>> However with "log-queries=extra" in config file, I am seeing following:
>>>>>>>
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> query[A] news.com from 10.10.10.101
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 2001:1998:f00:2::1
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 2001:1998:f00:1::1
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 2606:4700:4700::1001
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 2606:4700:4700::1111
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 2001:4860:4860::8844
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 2001:4860:4860::8888
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 209.18.47.63
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 209.18.47.62
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 209.18.47.61
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 1.0.0.1
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 1.1.1.1
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 8.8.4.4
>>>>>>> Dec 09 11:29:24 door dnsmasq[9403]: 3640 10.10.10.101/49351
>>>>>>> forwarded news.com to 8.8.8.8
>>>>>>> Dec 09 11:29:25 door dnsmasq[9403]: 3640 10.10.10.101/49351 reply
>>>>>>> news.com is 35.190.79.82
>>>>>>>
>>>>>>> Is --all-servers behavior changed to default on? Is there a way to
>>>>>>> revert it?
>>>>>>>
>>>>>>
>>>>>> Dear John,
>>>>>> If I understood correctly, option all-servers will enable dnsmasq to
>>>>>> send the resolve query to the secondary dns server defined, if its failed
>>>>>> to resolve from the first one.
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> Thank you!
>>>>>>>
>>>>>>> John Siu
>>>>>>> _______________________________________________
>>>>>>> Dnsmasq-discuss mailing list
>>>>>>> Dnsmasq-discuss at lists.thekelleys.org.uk
>>>>>>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Siji
>>>>>>
>>>>>> <https://www.facebook.com/SugarBoxNetworks/>  |
>>>>>> <https://www.instagram.com/sugarboxnetworks/> |
>>>>>> <https://in.linkedin.com/company/margo-networks-pvt.-ltd.>
>>>>>>
>>>>>>
>>>>
>>>> --
>>>> Siji
>>>>
>>>> <https://www.facebook.com/SugarBoxNetworks/>  |
>>>> <https://www.instagram.com/sugarboxnetworks/> |
>>>> <https://in.linkedin.com/company/margo-networks-pvt.-ltd.>
>>>>
>>>>
>>
>> --
>> Siji
>>
>> <https://www.facebook.com/SugarBoxNetworks/>  |
>> <https://www.instagram.com/sugarboxnetworks/> |
>> <https://in.linkedin.com/company/margo-networks-pvt.-ltd.>
>>
>>

-- 
Siji

-- 
 <https://www.facebook.com/SugarBoxNetworks/>  |  
<https://www.instagram.com/sugarboxnetworks/> |  
<https://in.linkedin.com/company/margo-networks-pvt.-ltd.>



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