Re: Be careful! Look at what this spammer did.
| From: | Raj Shekhar | Date: | Thu, 25 Aug 2005 05:23:37 +0000 |
| Subject: | Re: Be careful! Look at what this spammer did. | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-221318@lists.php.net to get a copy of this message | ||
Dotan Cohen <dotancohen@gmail.com> writes:
> I don't really like CAPTCHA's. I'm filtering the content now, which is
> in my opinion better anyway. In my university one of the computer
> science projects (for an assignment!) is to break CAPTCHA's. Jpg-> bmp
> and once it's a bmp the white noise and lines can be removed (think
> photoshop filters), then OCR software extracts the words. It even
> works on squiggly text with the right fonts installed in the OCR. Not
> 100%, but it is easier for the computer to decipher than a handicapped
> person, or a text browser. And I don't want to lock those out.
you might find http://www.videolan.org/pwntcha/
helpful
--
Raj Shekhar (still trying to get over his email backload)
blog : http://rajshekhar.net/blog home : http://rajshekhar.net
Disclaimer : http://rajshekhar.net/disclaimer