Bristol Digest, Vol 574, Issue 1

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Today's Topics:

1. Re: Slightly less mysterious DNS problem (Y Martin)
2. Re: Slightly less mysterious DNS problem (nick robinson)


----------------------------------------------------------------------

Message: 1
Date: Sat, 25 Oct 2014 12:26:35 +0000
From: Y Martin <ym2013@riseup.net>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] Slightly less mysterious DNS problem
Message-ID: <544B96FB.6020200@riseup.net>
Content-Type: text/plain; charset=ISO-8859-1

yep i can ping IPs but not URLs

nick robinson:
> can you ping 8.8.8.8?
>
> On 22 October 2014 23:25, Y Martin <ym2013@riseup.net> wrote:
>
>> Hi Max
>>
>> $ cat /etc/nsswitch.conf
>> passwd: compat
>> group: compat
>> shadow: compat
>>
>> hosts: files dns
>> networks: files
>>
>> protocols: db files
>> services: db files
>> ethers: db files
>> rpc: db files
>>
>> netgroup: nis
>>
>> $ cat /etc/host.conf
>> multi on
>>
>> $ cat /etc/resolv.conf
>> nameserver 192.168.2.123
>> #nameserver 8.8.8.8 #this one didnt work either :-(
>>
>> $ dig +trace www.google.co.uk
>> ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> +trace www.google.co.uk
>> ;; global options: +cmd
>> ;; connection timed out; no servers could be reached
>>
>>
>>
>> Max B:
>>> Can you post your /etc/nsswitch.conf , /etc/host.conf and
>>> /etc/resolve.conf?
>>>
>>> and also the output of dig +trace www.google.co.uk.
>>>
>>> Thanks, Max B
>>>
>>> On 22 October 2014 11:34, Y Martin <ym2013@riseup.net> wrote:
>>>
>>>> sudo grep -sxRil "10.42." /var/log/
>>>> comes up with nothing :(
>>>>
>>>> sudo grep -sxRil "10.42." / --exclude-dir=/home/ --exclude-dir=/var/log
>>>> --exclude-dir=/tmp
>>>> but this took all day!
>>>>
>>>> After about 6 hours it found nothing. I forgot I was running it at the
>>>> end of the day and shut my PC down.. doh! I should do it from 'sudo su'
>>>> today so that I cant shut my PC down without killing this command.
>>>> i.e.
>>>> root@hostname:~# grep -sxRil "10.42." / --exclude-dir=/home/
>>>> --exclude-dir=/var/log --exclude-dir=/tmp
>>>>
>>>> Amias Channer:
>>>>> On 20 October 2014 13:52, Y Martin <ym2013@riseup.net> wrote:
>>>>>
>>>>>> So what next? Unless you have a less crude idea, I will do a grep
>> search
>>>>>> of my whole OS for the mischievous IP "10.42.0.1" to find where this
>>>>>> configuration is residing..
>>>>>>
>>>>>
>>>>> grep your logs first.
>>>>>
>>>>> Cheers
>>>>> Amias
>>>>>
>>>>>
>>>>>
>>>>> This body part will be downloaded on demand.
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Bristol mailing list
>>>> Bristol@mailman.lug.org.uk
>>>> https://mailman.lug.org.uk/mailman/listinfo/bristol
>>>>
>>>>
>>>>
>>>> This body part will be downloaded on demand.
>>
>>
>> _______________________________________________
>> Bristol mailing list
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>>
>>
>> This body part will be downloaded on demand.




------------------------------

Message: 2
Date: Sun, 26 Oct 2014 16:46:08 +0000
From: nick robinson <nick@njrobinson.net>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] Slightly less mysterious DNS problem
Message-ID:
<CADo8qK7B4b93icJ2fceGgpEGct4ePE+WsYDjgB=dn8+BjB_Krw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

maybe check that the firewall isn't redirecting dns requests.
set resolve.conf to point to 8.8.8.8, make sure you can ping it.
try disable the firewall and see if you dig www.google.co.uk
run netstat -tna and have a look for anything running on port 53

On 25 October 2014 13:26, Y Martin <ym2013@riseup.net> wrote:

> yep i can ping IPs but not URLs
>
> nick robinson:
> > can you ping 8.8.8.8?
> >
> > On 22 October 2014 23:25, Y Martin <ym2013@riseup.net> wrote:
> >
> >> Hi Max
> >>
> >> $ cat /etc/nsswitch.conf
> >> passwd: compat
> >> group: compat
> >> shadow: compat
> >>
> >> hosts: files dns
> >> networks: files
> >>
> >> protocols: db files
> >> services: db files
> >> ethers: db files
> >> rpc: db files
> >>
> >> netgroup: nis
> >>
> >> $ cat /etc/host.conf
> >> multi on
> >>
> >> $ cat /etc/resolv.conf
> >> nameserver 192.168.2.123
> >> #nameserver 8.8.8.8 #this one didnt work either :-(
> >>
> >> $ dig +trace www.google.co.uk
> >> ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> +trace www.google.co.uk
> >> ;; global options: +cmd
> >> ;; connection timed out; no servers could be reached
> >>
> >>
> >>
> >> Max B:
> >>> Can you post your /etc/nsswitch.conf , /etc/host.conf and
> >>> /etc/resolve.conf?
> >>>
> >>> and also the output of dig +trace www.google.co.uk.
> >>>
> >>> Thanks, Max B
> >>>
> >>> On 22 October 2014 11:34, Y Martin <ym2013@riseup.net> wrote:
> >>>
> >>>> sudo grep -sxRil "10.42." /var/log/
> >>>> comes up with nothing :(
> >>>>
> >>>> sudo grep -sxRil "10.42." / --exclude-dir=/home/
> --exclude-dir=/var/log
> >>>> --exclude-dir=/tmp
> >>>> but this took all day!
> >>>>
> >>>> After about 6 hours it found nothing. I forgot I was running it at the
> >>>> end of the day and shut my PC down.. doh! I should do it from 'sudo
> su'
> >>>> today so that I cant shut my PC down without killing this command.
> >>>> i.e.
> >>>> root@hostname:~# grep -sxRil "10.42." / --exclude-dir=/home/
> >>>> --exclude-dir=/var/log --exclude-dir=/tmp
> >>>>
> >>>> Amias Channer:
> >>>>> On 20 October 2014 13:52, Y Martin <ym2013@riseup.net> wrote:
> >>>>>
> >>>>>> So what next? Unless you have a less crude idea, I will do a grep
> >> search
> >>>>>> of my whole OS for the mischievous IP "10.42.0.1" to find where this
> >>>>>> configuration is residing..
> >>>>>>
> >>>>>
> >>>>> grep your logs first.
> >>>>>
> >>>>> Cheers
> >>>>> Amias
> >>>>>
> >>>>>
> >>>>>
> >>>>> This body part will be downloaded on demand.
> >>>>>
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> Bristol mailing list
> >>>> Bristol@mailman.lug.org.uk
> >>>> https://mailman.lug.org.uk/mailman/listinfo/bristol
> >>>>
> >>>>
> >>>>
> >>>> This body part will be downloaded on demand.
> >>
> >>
> >> _______________________________________________
> >> Bristol mailing list
> >> Bristol@mailman.lug.org.uk
> >> https://mailman.lug.org.uk/mailman/listinfo/bristol
> >>
> >>
> >>
> >> This body part will be downloaded on demand.
>
>
> _______________________________________________
> Bristol mailing list
> Bristol@mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/bristol
>
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