[187386] in North American Network Operators' Group
Re: Google Contact
daemon@ATHENA.MIT.EDU (Damian Menscher via NANOG)
Thu Jan 28 12:33:26 2016
X-Original-To: nanog@nanog.org
In-Reply-To: <BE715416-D0E9-498C-9F38-6598182A8EB4@egon.cc>
Date: Thu, 28 Jan 2016 09:33:02 -0800
To: James Downs <egon@egon.cc>
From: Damian Menscher via NANOG <nanog@nanog.org>
Reply-To: Damian Menscher <damian@google.com>
Cc: NANOG mailing list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Tue, Jan 26, 2016 at 12:08 PM, James Downs <egon@egon.cc> wrote:
>
> > On Jan 26, 2016, at 09:40, Adam Loveless <adam.loveless@gmail.com>
> wrote:
> >
> > Any Google engineers that can contact me off list? Seems our address
> space
> > has been blacklisted by Google and we have to enter captchas for them
> now.
>
Blacklisting IP space is rare (blocks will expire), but sometimes if abuse
is seen from a broad range of IPs they can all be blocked (to handle
hosting providers that give customers lots of IPs).
Is that the capture that happens in front of certain websites? I had that
> happen for two totally unrelated IP blocks. They eventually cleared withi=
n
> a day or two, but I think they=E2=80=99re having problems with the detect=
ion
> systems.
The detection systems are working as intended.
The captcha also didn=E2=80=99t work right for the site I was trying to acc=
ess
> (hackernews).
>
Please send details off-list including: URL, timestamp, source IP, observed
behavior, and anything unusual about your setup (like disabling cookies).
Damian