[Noisebridge-discuss] Noisebridge's Wacky DNS Issues

Jonathan Lassoff jof at thejof.com
Mon Jun 3 01:08:01 UTC 2013


Weird.... it's still caching those entries, despite clearing the cache.

Somehow dnsmasq is convinced that a.ns.facebook.com. is 204.246.122.84
(which is the Noisebridge server).

I can't look further into it right now, but it's sure got my curiosity
piqued!

Cheers,
jof


On Sun, Jun 2, 2013 at 5:53 PM, Jonathan Lassoff <jof at thejof.com> wrote:

> Wow. That's a riot.
>
> So, DNS in the space should be handing out 172.30.0.4 as a local caching
> resolver. That's minotaur.
> And, querying the cache, it seems that it has indeed cached some bunk data:
>
> `--> dig +short @172.30.0.4 graph.facebook.com. in a
> 204.246.122.84
>
> It's dnsmasq, so I can't easily dump or debug the cache without restarting
> it, losing the contents.
>
> I'll restart the cache now. Hopefully whomever was messing around is done
> now, and you can continue onward.
>
> I would never count on Noisebridge for interference-free internet
> connectivity. Such a concentration of hackers is going to lead to
> tomfoolery, one day or another.
> I always SSH-tunnel out.
>
> Cheers,
> jof
>
>
> On Sun, Jun 2, 2013 at 1:42 PM, Joe Black <joeblack949 at gmail.com> wrote:
>
>>  I was just logging into Readmill, which is a social book reading app for
>> the ipad, and got a very fishy response, a screenshot is worth a thousand
>> words
>>
>>
>> I was noticing yesterday some ads in the sidebar were doing something
>> similar. Immediately it seemed like someone had poisoned the DNS cache so I
>> switched my dns server to google's (8.8.8.8) and all the problems went away.
>>
>> I would hardly like to call that a permanent solution however. I'm sure
>> many of us know google uses that DNS server to log even more personal
>> information about those that use it. There are alternatives like of course
>> but I just thought this seemed kinda shady, if I were new to the space or
>> computing I'd wonder why noisebridge's wiki was trying to catch an open
>> auth request.
>>
>> Also I'm wondering since I'm not all that versed in mediawiki, are you
>> able to embed javascript into mediawiki? how hard would it be for someone
>> with the basic credentials to create a new page on the wiki to create this
>> page for nefarious purposes?
>>
>> I knew I shouldn't have let that VPN subscription lapse a month ago…
>>
>> joeblack
>> : joeblack949 at gmail.com
>> *
>> *
>>
>> _______________________________________________
>> Noisebridge-discuss mailing list
>> Noisebridge-discuss at lists.noisebridge.net
>> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.noisebridge.net/pipermail/noisebridge-discuss/attachments/20130602/14b25aaa/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Screen Shot 2013-06-02 at 1.29.47 PM 2.png
Type: image/png
Size: 148182 bytes
Desc: not available
URL: <http://www.noisebridge.net/pipermail/noisebridge-discuss/attachments/20130602/14b25aaa/attachment.png>


More information about the Noisebridge-discuss mailing list