[ale] OT: google search behavior

[david at systemoverlord.com (David Tomaschik)]

I suggest reading:
http://googleonlinesecurity.blogspot.com/2007/07/reason-behind-were-sorry-message.html

This can be seen if a lot of users are NATted/proxied to a single IP
address, you issue queries at a very high rate, etc.

David


On Wed, Aug 15, 2012 at 9:43 AM, mike at trausch.us <mike at trausch.us> wrote:
> On 08/15/2012 11:53 AM, Boris Borisov wrote:
>> Minute ago I've been ask from google search to enter CAPTCHA.
>>
>> <quote>
>>
>> This page appears when Google automatically detects requests coming
>> from your computer network which appear to be in violation of the
>> Terms of Service. The block will expire shortly after those requests
>> stop. In the meantime, solving the above CAPTCHA will let you continue
>> to use our services.
>>
>> </quote>
>>
>> The things are getting tight ?
>
> It is some sort of automatic "circuit breaker" that kicks in where there
> are an abnormal number of queries (usually, I think, unauthenticated
> queries, but it might not matter) coming from a particular IP or
> "browser fingerprint".  I haven't a clue the particulars, but I've
> tripped it a few times before.  Not in some time, though.
>
>         --- Mike
>
> --
> A man who reasons deliberately, manages it better after studying Logic
> than he could before, if he is sincere about it and has common sense.
>                                    --- Carveth Read, ?Logic?
>
>
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-- 
David Tomaschik
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http://systemoverlord.com
david at systemoverlord.com