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Anti-Captchas  (View post)

xeen [PersonRank 1]

Thursday, July 5, 2007
10 years ago8,244 views

It will lose its usefulness once it's in wide use. If you run a small site that is not directly targeted by spammers, just add an additional form field and ask a very simple question like 1+1= or ask the user to leave the field empty.
Give it an obvious name like "username" so that the bot will "know" what to do. Hide the textfield with CSS so that non-visual impaired people don't even need to bother with this.
Easy to implement, but useful.

photoactive [PersonRank 10]

10 years ago #

BRILLIANT! (And it gives me a useful headache, just to look at.)

Haochi [PersonRank 10]

10 years ago #

I don't really get it... Is that like a hidden field in a form? (designed for robots)

Kevin [PersonRank 0]

10 years ago #

Don't doubt the stupidity of some web-users.

medeste [PersonRank 0]

10 years ago #

i can't use some site commenting service because most times i cant find out what's written in the image -_-' ... i'm really considering the fact i am a program and not human...

Ionut Alex. Chitu [PersonRank 10]

10 years ago #

I'm sure someone will take the time to enter that nonsense. I entered 4 or 5 Google captchas in a row because they were unclear.

Nexus6 [PersonRank 0]

10 years ago #

eioeowoijfnn2eo357ieoiew
weopifweqolc7wlksdopiwe
wepewewpo78ej52pcnipweq
weiopediopeo23ijeiojd
ediopewjewjoiweoieowejewdow
wepoidjeopied1oieoiooimxcio
32oweonddoio456566dewew

That means I´m a robot? I passed Voight-Kamp test.

Clement Donzel [PersonRank 1]

10 years ago #

lol. Hope this captchas is just a joke ;-) (even "captchas" is hard to write!)

Roger Browne [PersonRank 10]

10 years ago #

N i c e S i t e!

eioeowoijfnn2eo357ieoiew
weopifweqolc7wlksdopiwe
wepewewpo78ej52pcnipweq
weiopediopeo23ijeiojd
ediopewjewjoiweoieowejewdow
wepoidjeopied1oieoiooimxcio
32oweonddoio456566dewew

Roger Browne [PersonRank 10]

10 years ago #

Aah, nexus6 beat me to it!

zanooda [PersonRank 0]

10 years ago #

habrahabr ;-)

Colin Colehour [PersonRank 10]

10 years ago #

What does Google think of hidden fields used by CSS?

Martin Porcheron [PersonRank 10]

10 years ago #

Why would you want to hide a field by CSS when you can just use the hidden type for input?

<input type="hidden" id="example"....

Philipp Lenssen [PersonRank 10]

10 years ago #

I guess because CSS is harder to parse... there's so many ways something can turn invisible... filter: alpha(opacity=0) etc. ...

marcoSZone [PersonRank 0]

10 years ago #

simply... 7

Jan [PersonRank 0]

10 years ago #

haha, nice one!

Zim [PersonRank 10]

10 years ago #

It's a good idea...
Maybe you can send computers to an infinite loop asking them the meaning of life. They won't bother for some years, till they discover the answer to life, the universe and everything is 42.

James Xuan [PersonRank 10]

10 years ago #

42

James Xuan [PersonRank 10]

10 years ago #

Damn Zim! You got there just before me! I was was inpired by MarcoSZone

Tarek [PersonRank 0]

10 years ago #

Lol, funny

FB [PersonRank 0]

10 years ago #

Nexus6: "I passed Voight-Kamp test."
Brilliant

K. Pizzato [PersonRank 0]

10 years ago #

Very nice post/reply set!

Servaas [PersonRank 0]

10 years ago #

What about the aliens ? Will they be able to decipher this powerfull code ?

[Signature removed]

Travis Harris [PersonRank 10]

10 years ago #

Roger, your's looked more like spam, so you get an extra rep point from me ;)

Ernesto Schutz [PersonRank 0]

10 years ago #

Nice job :)

Ernesto Schutz

Tim [PersonRank 0]

10 years ago #

code for bot:
--------------
if(recognizedText.Length() > 10){
   dontEnterInBox();
else
   enterInBox();
------------
sorry to destroy your dreams ;)

James Xuan [PersonRank 10]

10 years ago #

timtucker.com/weblog/?p=74 has been implemented here

Oleg D. [PersonRank 1]

10 years ago #

One workable variation of this idea would be a captcha that says something like:
"Enter three pluses in the captcha field"

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