Path: ...!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Chinese downloads overloading my website
Date: Fri, 15 Mar 2024 14:08:10 +0100
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On 2024-03-15 14:00, Liz Tuddenham wrote:
> Don Y <blockedofcourse@foo.invalid> wrote:
> 
>> On 3/15/2024 3:41 AM, Liz Tuddenham wrote:
>>> Don Y <blockedofcourse@foo.invalid> wrote:
>>>
>>>> On 3/14/2024 9:26 AM, Peter wrote:
>>>>>
>>>>>     Don Y <blockedofcourse@foo.invalid> wrote:
>>>>>
>>>>>> (Without having seen them...)  Can you create a PNG of a group
>>>>>> of them arranged in a matrix.  Then, a map that allows clicking
>>>>>> on any *part* of the composite image to provide a more detailed
>>>>>> "popup" to inspect?
>>>>>>
>>>>>> I.e., each individual image is a trip back to the server to
>>>>>> fetch that image.  A single composite could reduce that to
>>>>>> one fetch with other actions conditional on whether or not
>>>>>> the user wants "more/finer detail"
>>>>>
>>>>> All of this "graphical captcha" stuff is easy to hack if somebody is
>>>>> out to trash *your* site.
>>>>
>>>> If you are *targeted*, then all bets are off.  At the end of the
>>>> day, your adversary could put a REAL HUMAN to the task of hammering
>>>> away at it.
>>>
>>> You could always have a question which involved correcting the English
>>> grammar of a sentence, but that might eliminate far more of your
>>> visitors than you intended.
>>
>> Require visitors to insert correct punctuation:
>>
>> John had had had had had had had a better effect
> 
> "He helped his Uncle Jack off a horse."

Those things would kill most people for which English is a second language.

-- 
Cheers, Carlos.