2017-06-27 - Re: [GRASE-Hotspot] dnsmasq caching

Header Data

From: Timothy White <ti***8@gmail.com>
Message Hash: 4225a4b5d9de4ee9b8501b600f4022e973a6c6bf709d1ce1cec6084bd7392ca9
Message ID: <CAESLx0JT+KBrmfAZWwcMZ1ERji8vhO0RTrddhTbspx0RR2UjAA@mail.gmail.com>
Reply To: <CAPYsbFa0f7m0FBVQ31WN19CGrM5YH28C-tVLHzCbaPU9ykp8WQ@mail.gmail.com>
UTC Datetime: 2017-06-27 21:53:22 UTC
Raw Date: Wed, 28 Jun 2017 14:53:22 +1000

Raw message 

Hi Tubeta

Can you please collect support information (
https://grasehotspot.org/support/collecting-support-information/) so I can
get a better idea of your system, to ensure I give an accurate response.
(Different versions do different things)

Regards

On Wed, Jun 28, 2017 at 2:46 PM, Tubeta Taenang <tu***g@gmail.com>
wrote:

> Hello Tim,
>
> Thanks for your respond,
>
> It is very interesting because according to the README file located within
> the /etc/dnsmasq.d/ folder, it says that the dnsmasq config files should be
> within the folder /etc/dnsmasq.d/, not the default /etc/dnsmasq.conf. So
> there is a bit confusion on my part.
>
> And now you are telling me that the default dnsmasq.conf file should be
> the running config file. But this is very different in my case because
> every line of that file is *commented* *out* and I never though that this
> file was ever used at all.
>
> On the other hand, /etc/dnsmasq.d/01.grasehotspot file get fed from the
> radmin web interface and it seems that those are the settings for dnsmasq.
>
> Please correct me and explain further.
>
> What about /etc/chilli/config file? And /etc/default/dnsmasq? Should I
> comment out the CONFIG_DIR directive within the /etc/default/dnsmasq file
> and use /etc/dnsmasq.conf file to configure dnsmasq?
>
> I will need this clarifications from you before I will dive into it.
> Please help.
>
> Thanks for your time and support.
>
> Tubeta
>
> On Wed, Jun 28, 2017 at 1:32 PM, Timothy White <ti***8@gmail.com>
> wrote:
>
>> Hi Tubeta
>>
>> You'll need to verify that a client that connects is given the hotspot IP
>> as it's DNS address. It should be assigned by DHCP.
>> Secondly, dnsmasq should be using the DNS server set in the Grase Hotspot
>> config, not your ISPs DNS server unless that is what you have set.
>>
>> By default, dig on the Grase server will probably use your ISP DNS
>> servers, because the server itself isn't forced through dnsmasq. However
>> all clients should be using dnsmasq.
>>
>> You may want to turn on log-queries in dnsmasq, to verify that client
>> requests are hitting dnsmasq.
>>
>> Also, by default cache-size is 150, so if it's absent, it should be
>> caching up to 150 names, your change will make it cache up to 1000 names.
>>
>> /etc/dnsmasq.d/01-grasehotspot is only for extra stuff we add. The rest
>> is a default dnsmasq config, which in a default install caches. Look
>> in /etc/dnsmasq.conf for other settings.
>>
>> Regards
>>
>> Tim
>>
>> On Wed, Jun 28, 2017 at 8:38 AM, Tubeta Taenang <tu***g@gmail.com
>> > wrote:
>>
>>> Hello Tim,
>>>
>>> Sadly that is not working for this box. All DNS queries are answered by
>>> my ISP DNS servers and I have verified that using dig. For your information
>>> I didn't set up this grase box and I am new to grase as well.
>>>
>>> So I need your help on this. My ISP (Speed Cast) reported that my
>>> traffic is congested mostly by DNS queries.
>>>
>>> Now what I want to do is to make grase to do caching. The reference
>>> script in /etc/dnsmasq.d/01-grasehotspot doesn't show me that it does
>>> caching. So I have added another script (02.grasehotspot-caching) in the
>>> same directory which contains only one line:
>>>
>>>           cache-size = 1000
>>>
>>> But I think it doesn't do anything at all.
>>>
>>> Can you tell me how can I verify that my grase is doing caching for all
>>> DNS queries and act as a local DNS server for my network?
>>>
>>> Please help
>>>
>>> Thanks
>>> Tubeta
>>>
>>> On Tue, Jun 27, 2017 at 6:41 PM, Timothy White <ti***8@gmail.com>
>>> wrote:
>>>
>>>> Hi Tubeta
>>>>
>>>> What are you trying to achieve? By default, the Grase Hotspot uses
>>>> dnsmasq for all client DNS, partially to allow special logoff urls to work,
>>>> and also to filter some DNS responses. As a side effect, you should already
>>>> have dnsmasq caching requests for you.
>>>>
>>>> Regards
>>>>
>>>> Tim
>>>>
>>>> On Tue, Jun 27, 2017 at 7:00 AM, Tubeta Taenang <
>>>> tu***g@gmail.com> wrote:
>>>>
>>>>> Hello Tim and members,
>>>>>
>>>>> I am strugling on configuring DNSMasq for caching and I will need help
>>>>> from any one of you who has made this work. After reading many posts, I get
>>>>> the understanding that there is no need to install BIND as a local name
>>>>> server for caching as dnsmasq is also part of grase.
>>>>>
>>>>> I will appreciate if you can drop me with guidelines on this.
>>>>>
>>>>> This is quite urgent.
>>>>>
>>>>> Thanks in advance
>>>>>
>>>>> Tubeta
>>>>>
>>>>> --
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>>>>> .
>>>>>
>>>>
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>>>
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>>
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>
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