[OpenStack-Infra] Wiki.o.o sustaining spam attack

Jimmy McArthur jimmy at openstack.org
Fri Feb 26 17:08:18 UTC 2016


Given the state of the wiki a the moment, I think taking the quickest 
path to get it fixed would be prudent. Is there a way we can get JP root 
access to this server, even temporarily? We get 25% of our website 
traffic (2 million visitors) to the wiki. I realize we're all after the 
same thing, but spammers are not going to hit the dev environment, so 
there's really no way to tell if teh problem is fixed without actually 
working directly on the production machine. This should be a 30 minute fix.

I realize there is a lot of risk in giving ssh access to infra machines, 
but I think it's worth taking a look at either putting this machine in a 
place where a different level of admin could access it without giving 
away the keys to the entire OpenStack infrastructure or figuring out a 
way to set up credentials with varying levels of access.

Jimmy

Paul Belanger wrote:
> On Fri, Feb 26, 2016 at 10:12:12AM -0600, JP Maxwell wrote:
>> But if you wanted to upgrade everything, remove the mobile view extension,
>> test in a dev/staging environment then deploy to production fingers
>> crossed, I think that would be a valid approach as well.
>>
> Current review up[1]. I'll launch a node tonight / tomorrow locally to see how
> puppet reacts.  I suspect there will be some issues.
>
> If infra-roots are fine with this approach, we can use that box to test against.
>
> [1] https://review.openstack.org/#/c/285405/
>
>> J.P. Maxwell | tipit.net | fibercove.com
>> On Feb 26, 2016 10:08 AM, "JP Maxwell"<jp at tipit.net>  wrote:
>>
>>> Plus one except in this case it is much easier to know if our efforts are
>>> working on production because the spam either stops or not.
>>>
>>> J.P. Maxwell | tipit.net | fibercove.com
>>> On Feb 26, 2016 9:48 AM, "Paul Belanger"<pabelanger at redhat.com>  wrote:
>>>
>>>> On Fri, Feb 26, 2016 at 09:18:00AM -0600, JP Maxwell wrote:
>>>>> I really think you might consider the option that there is a
>>>> vulnerability
>>>>> in one of the extensions. If that is the case black listing IPs will be
>>>> an
>>>>> ongoing wild goose chase.
>>>>>
>>>>> I think this would be easily proven or disproven by making the questy
>>>>> question impossible and see if the spam continues.
>>>>>
>>>> We'll have to let an infra-root make that call. Since nobody would be
>>>> able to
>>>> use the wiki. Honestly, I'd rather spend the time standing up a mirror dev
>>>> instance for us to work on, rather then production.
>>>>
>>>>> J.P. Maxwell | tipit.net | fibercove.com
>>>>> On Feb 26, 2016 9:12 AM, "Paul Belanger"<pabelanger at redhat.com>  wrote:
>>>>>
>>>>>> On Thu, Feb 25, 2016 at 08:10:34PM -0800, Elizabeth K. Joseph wrote:
>>>>>>> On Thu, Feb 25, 2016 at 6:35 AM, Jeremy Stanley<fungi at yuggoth.org>
>>>>>> wrote:
>>>>>>>> On 2016-02-25 02:46:13 -0600 (-0600), JP Maxwell wrote:
>>>>>>>>> Please be aware that you can now create accounts under the mobile
>>>>>>>>> view in the wiki native user table. I just created an account for
>>>>>>>>> JpMaxMan.  Not sure if this matters but wanted to make sure you
>>>>>>>>> were aware.
>>>>>>>> Oh, yes I think having a random garbage question/answer was in
>>>> fact
>>>>>>>> previously preventing account creation under the mobile view. We
>>>>>>>> probably need a way to disable mobile view account creation as it
>>>>>>>> bypasses OpenID authentication entirely.
>>>>>>> So that's what it was doing! We'll have to tackle the mobile view
>>>> issue.
>>>>>>> Otherwise, quick update here:
>>>>>>>
>>>>>>> The captcha didn't appear to help stem the spam tide. We'll want to
>>>>>>> explore and start implementing some of the other solutions.
>>>>>>>
>>>>>>> I did some database poking around today and it does seem like all
>>>> the
>>>>>>> users do have launchpad accounts and email addresses.
>>>>>>>
>>>>>> So, I have a few hours before jumping on my plane and checked into
>>>> this.
>>>>>> We are
>>>>>> using QuestyCaptcha which according to docs, should almost be
>>>> impossible
>>>>>> for
>>>>>> spammers to by pass in an automated fashion.  So, either our captcha
>>>> is too
>>>>>> easy, or we didn't set it up properly.  I don't have SSH on wiki.o.o
>>>> so
>>>>>> others
>>>>>> will have to check logs.  I did test new pages and edits, and was
>>>> promoted
>>>>>> by
>>>>>> captcha.
>>>>>>
>>>>>> As a next step, we might need to add additional apache2 configuration
>>>> to
>>>>>> blacklist IPs.  I am reading up on that now.
>>>>>>
>>>>>>> --
>>>>>>> Elizabeth Krumbach Joseph || Lyz || pleia2
>>>>>>>
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>>>>>>> OpenStack-Infra mailing list
>>>>>>> OpenStack-Infra at lists.openstack.org
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>>>>>>
>
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