in reply to Captcha Signups?

The illustrious merlyn has written about keeping robots from stuffing your forms.

Be warned, though, that there was a writeup on breaking that very technique here on PerlMonks. I have, of course, been unable to find it...

Replies are listed 'Best First'.
Re: Re: Captcha Signups?
by Ryszard (Priest) on May 15, 2002 at 12:23 UTC
    here 'tis.

    To the orig question. As biker suggests, there is nothing stopping a determined user from signing up multiple times. IMO you have to make the auotmated attack harder or more expensive (either time/money).

    Unfort the flip side is, if you make the signup process too hard, you'll get no legit users... :-(

    good luck, I'd be interested to hear about what you come up with.

Re^2: Captcha Signups?
by taint (Chaplain) on Apr 19, 2013 at 06:30 UTC
    Greetings ariels,
    While this is an old thread. The article you referred to, turned out
    to be a real help in finding a Perl(1) based solution for me.
    Thanks!

    --chris

    #!/usr/bin/perl -Tw
    use perl::always;
    my $perl_version = "5.12.4";
    print $perl_version;