[Gluster-devel] [Gluster-users] [Gluster-infra] lists.gluster.org issues this weekend

[Atin Mukherjee]

On Fri, 22 Sep 2017 at 18:54, Ravishankar N <ravishankar at redhat.com> wrote:

> Hello,
> Are our servers still facing the overload issue? My replies to
> gluster-users ML are not getting delivered to the list.
>

Same here. Even this is true for gluster-devel as well.


> Regards,
> Ravi
>
>
> On 09/19/2017 10:03 PM, Michael Scherer wrote:
>
> Le samedi 16 septembre 2017 à 20:48 +0530, Nigel Babu a écrit :
>
> Hello folks,
>
> We have discovered that for the last few weeks our mailman server was
> used
> for a spam attack. The attacker would make use of the + feature
> offered by
> gmail and hotmail. If you send an email to example at hotmail.com,example+foo at hotmail.com, example+bar at hotmail.com, it goes to the same
> inbox. We were constantly hit with requests to subscribe to a few
> inboxes.
> These requests overloaded our mail server so much that it gave up. We
> detected this failure because a postmortem email togluster-infra at gluster.org bounced. Any emails sent to our mailman
> server
> may have been on hold for the last 24 hours or so. They should be
> processed
> now as your email provider re-attempts.
>
> For the moment, we've banned subscribing with an email address with a
> + in
> the name. If you are already subscribed to the lists with a + in your
> email
> address, you will continue to be able to use the lists.
>
> We're looking at banning the spam IP addresses from being able to hit
> the
> web interface at all. When we have a working alternative, we will
> look at
> removing the current ban of using + in address.
>
> So we have a alternative in place, I pushed a blacklist using
> mod_security and a few DNS blacklist:https://github.com/gluster/gluster.org_ansible_configuration/commit/2f4
> c1b8feeae16e1d0b7d6073822a6786ed21dde
>
>
>
>
>
> Apologies for the outage and a big shout out to Michael for taking
> time out
> of his weekend to debug and fix the issue.
>
> Well, you can thanks the airport in Prague for being less interesting
> than a spammer attacking us.
>
>
>
>
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>
>
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-- 
- Atin (atinm)
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