Just a few notes on the previous responses.
Delaying with JavaScript, like validating with JavaScript is a rather
pointless endeavor. Think about it, you are putting your "limiting"
mechanism, on the hackers' computer... You can still post to your
server as fast as you want.
With regards to using
Savetheinternet wrote:
[snip] Securimage (phpcaptcha.org) looks relatively okay.[snip]
..a final follow up with my experience implementing securimage (in the
case that others go searching).
This turned out to be a good solution for my purposes. It fit nicely
with my form checks that were alr
On Fri, 17 Feb 2012, Ashley Sheridan wrote:
I would avoid making a user type in something they see in a picture, as
you've just succeeded in pissing off a bunch of blind people.
Thank you! Glad someone pointed this out so I didn't have to.
And if you use a system like Recaptcha which has an
Ashley Sheridan wrote:
[snip]
Well, if the answer doesn't matter, another could just pick anything and run
with it couldn't they?
Thanks,
Ash
For the favorite color thing? The idea would be to require one (but not
all) of the word options in the list (so answer does matter)... most
bots w
Donovan Brooke wrote:
[snip]
Hi Michael, this looked promising.. however, requires some GD support it
appears I don't have.[snip]
Hi, well, just did the test on the live server and it *does* support it
there.. so I guess I use it.. just won't work in the development enviro.
Thanks for the s
Savetheinternet wrote:
[snip]
There are plenty of free PHP captcha scripts out there. Just google
"captcha PHP". Securimage (phpcaptcha.org) looks relatively okay.
Thanks,
Michael
Hi Michael, this looked promising.. however, requires some GD support it
appears I don't have.. here is the re
Donovan Brooke wrote:
>Thanks for all the input. Yes, there are a lot of ways and means and
>issues that can be considered (thanks Simon), but this project will use
>
>a simple captcha, mostly because it is familiar to users and "fits"
>with
>the project. Yes, I've found some options via google
Thanks for all the input. Yes, there are a lot of ways and means and
issues that can be considered (thanks Simon), but this project will use
a simple captcha, mostly because it is familiar to users and "fits" with
the project. Yes, I've found some options via google, but was more
inquiring to s
On Feb 17, 2012, at 12:36 AM, Patrick Hafner wrote:
> Hi,
>
> have you tried reCAPTCHA by Google?
> You can find the PHP library on the website.
>
> Easy to use, customizable and free, but nothing to install on your server (no
> open source)
But it aid OCR to Text activities at google and al
Hei, Ashley
The php bugtracker himself uses just simple math.
Others are made by clicking on the man's name in the picture (3 shaddows of
people with names in there) ...
But I myself dislike the visitor having extra-work. Therefore I'll stick to
the honey-pot the referer check and so on.
One chec
Simon Schick wrote:
>Hi, all
>
>When you ask for a captcha, I'd first ask what do you want to use it
>for.
>If you read the first lines of Wikipedia it has been developed to
>differ
>between a real user and a bot.
>
>If you'd now say that you want to use it to protect spam in a formula
>I'd
>gi
Hi, all
When you ask for a captcha, I'd first ask what do you want to use it for.
If you read the first lines of Wikipedia it has been developed to differ
between a real user and a bot.
If you'd now say that you want to use it to protect spam in a formula I'd
give you the same explanation that yo
On Fri, Feb 17, 2012 at 3:40 PM, Donovan Brooke wrote:
> Hello,
>
> Does anyone know of a basic (open source or freeware) form captcha system
> for PHP?
>
> TIA,
> Donovan
>
>
>
>
> --
> D Brooke
>
Hi,
There are plenty of free PHP captcha scripts out there. Just google
"captcha PHP". Securimage
Hi,
have you tried reCAPTCHA by Google?
You can find the PHP library on the website.
Easy to use, customizable and free, but nothing to install on your server (no
open source)
Best regards,
Patrick Hafner
Am 17.02.2012 um 05:40 schrieb Donovan Brooke :
> Hello,
>
> Does anyone know of a bas
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