Google's "unusual traffic" notification

[Tore Anderson]

* Gert Doering

> On Wed, Jul 24, 2013 at 10:05:16AM +0200, gall at switch.ch wrote:
>> A customer reported to us that many of his users have been getting the
>> "Our systems have detected unusual traffic from your computer network"
>> message from Google since last week.  Apparently, this is only
>> happening for IPv6, which makes me suspect that there is some kind of
>> glitch with Google's technique for detecting what they believe is
>> automated traffic.
> 
> ACK!  I've had this happen twice to our office network now, only on IPv6,
> and nothing in my logs or netflow data backs this...
> 
>> I filled in their form at
>> <https://support.google.com/websearch/contact/ban>, but I'm not
>> particualry optimistic that this will help.
> 
> ... it helped (as in "the message is gone"), but we never heard anything
> back why it happened.  Which is a bit frustrating.  "You are evil but we're
> not willing to tell you what it is so you can't fix it".

AOL

Word quickly got around that disabling IPv6 in the browser or OS "fixed"
the problem. I doubt that many thought to turn it back on again after
(to be quite honest I'm not even sure *I* remembered to). :-(

Tore