User Authentication w/PHP and MySQL

I have a basic registration form that creates a new user into my Database. I
wanted to try and add one of those random alpha/numeric images to the form so
that a person has to validate it before they can submit. (To prevent bots from
autofill the reg form.)

Does anyone know how to implement something like this in Dreamweaver?

..oO(destind4film)

I have a basic registration form that creates a new user into my Database. I
wanted to try and add one of those random alpha/numeric images to the form so
that a person has to validate it before they can submit.

It's called a CAPTCHA.

(To prevent bots from
autofill the reg form.)

Many bots can already read such CAPTCHAs, while many human users cannot.
I don't think you really want that.

Does anyone know how to implement something like this in Dreamweaver?

You could use the search function of this group. There are other ways to
fight spam, even though you can't really prevent it.

Micha

..oO(destind4film)

I have a basic registration form that creates a new user into my Database. I
wanted to try and add one of those random alpha/numeric images to the form so
that a person has to validate it before they can submit.

It's called a CAPTCHA.

(To prevent bots from
autofill the reg form.)

Many bots can already read such CAPTCHAs, while many human users cannot.
I don't think you really want that.

Does anyone know how to implement something like this in Dreamweaver?

You could use the search function of this group. There are other ways to
fight spam, even though you can't really prevent it.

Micha

Google "honeypot". It's much better than Captcha, I think.

--
Murray --- ICQ 71997575
Adobe Community Expert
(If you *MUST* email me, don't LAUGH when you do so!)
==================
http://www.projectseven.com/go - DW FAQs, Tutorials & Resources
http://www.dwfaq.com - DW FAQs, Tutorials & Resources
==================


"destind4film" <webforumsuser (AT) macromedia (DOT) com> wrote

I have a basic registration form that creates a new user into my Database.
I
wanted to try and add one of those random alpha/numeric images to the form
so
that a person has to validate it before they can submit. (To prevent bots
from
autofill the reg form.)

Does anyone know how to implement something like this in Dreamweaver?

Google "honeypot". It's much better than Captcha, I think.

--
Murray --- ICQ 71997575
Adobe Community Expert
(If you *MUST* email me, don't LAUGH when you do so!)
==================
http://www.projectseven.com/go - DW FAQs, Tutorials & Resources
http://www.dwfaq.com - DW FAQs, Tutorials & Resources
==================


"destind4film" <webforumsuser (AT) macromedia (DOT) com> wrote

I have a basic registration form that creates a new user into my Database.
I
wanted to try and add one of those random alpha/numeric images to the form
so
that a person has to validate it before they can submit. (To prevent bots
from
autofill the reg form.)

Does anyone know how to implement something like this in Dreamweaver?

Micha,

Thanks for the reply. My major concern is having lots of garbage entries in
my user db. I have seen several sites that use these methods for
verification. I guess I thought that was the standard approach to fighting
spam.

I will try to search for CAPTCHA.

Thanks.

Micha,

Thanks for the reply. My major concern is having lots of garbage entries in
my user db. I have seen several sites that use these methods for
verification. I guess I thought that was the standard approach to fighting
spam.

I will try to search for CAPTCHA.

Thanks.

..oO(destind4film)

Thanks for the reply. My major concern is having lots of garbage entries in
my user db. I have seen several sites that use these methods for
verification.

Yes, even Yahoo and Google use them, but this means nothing. The Google
CAPTCHA was already broken some months ago! The bots can't read all of
their images, but even 30% are more than enough to automatically create
thousands of gmail accounts for spam.

Other CAPTCHAs are easier to read or even completely broken already. And
optical character recognition (OCR) is not the only way to break them.

I guess I thought that was the standard approach to fighting
spam.

Yes, but in most cases it won't work and will just cause problems for
many regular users. You could even say that in some cases a graphical
CAPTCHA is much easier to read for a bot than for a human!

I will try to search for CAPTCHA.

First you should read this:

Inaccessibility of CAPTCHA
http://www.w3.org/TR/turingtest/

Then you should definitely investigate other ways to fight spam or
automated registrations. Murray already gave a good keyword.

Micha

..oO(destind4film)

Thanks for the reply. My major concern is having lots of garbage entries in
my user db. I have seen several sites that use these methods for
verification.

Yes, even Yahoo and Google use them, but this means nothing. The Google
CAPTCHA was already broken some months ago! The bots can't read all of
their images, but even 30% are more than enough to automatically create
thousands of gmail accounts for spam.

Other CAPTCHAs are easier to read or even completely broken already. And
optical character recognition (OCR) is not the only way to break them.

I guess I thought that was the standard approach to fighting
spam.

Yes, but in most cases it won't work and will just cause problems for
many regular users. You could even say that in some cases a graphical
CAPTCHA is much easier to read for a bot than for a human!

I will try to search for CAPTCHA.

First you should read this:

Inaccessibility of CAPTCHA
http://www.w3.org/TR/turingtest/

Then you should definitely investigate other ways to fight spam or
automated registrations. Murray already gave a good keyword.

Micha