Hi Amanda,

This website's just using forms for fairly simple stuff like user comments,
questions and the like. It's just been a major pain in the rear dealing with
Norton Firewall situation on this, and I don't know enough programming to
come up with my alternate. I think I may just work around this refers thing
and deal with a little spam if it means I can keep going forward.

I'll definitely file your suggestion for when I need to go a step up.

Thanks,

Ali




----- Original Message ----- 
From: "Amanda Birmingham" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 05, 2003 11:56 AM
Subject: [wdvltalk] RE: Is there a form out there that doesn't use refers
for security?


> Hi, Ali,
> I don't know what your form is for, so I don't know how much trouble you
> want to go to.  However, I have seen a lot of sites these days (like
> GoDaddy) using an image containing numbers on their forms.  The user then
> has to type in the numbers into a textbox.  Since automated tools can't
> tell what numbers are in the image, they always fail the validation, and
> since humans can easily just see the numbers, the burden on real users is
> minimal.
>
> Of course, the burden on *you* is high: you have to regenerate the image
> every time the page is called (or else spammers could just go in person
> once and get the correct code), which means server side code to create
> images on the fly.  You also have to put in server-side validation that
> keeps track of which image was served and validates the returned form
value
> to make sure they match.
>
> If you're *really* worried about security, I think this is a good way to
> go.  However, I'd be interested to hear about any more lightweight
> approaches you find!
>
> Amanda Birmingham
> Web Application Developer
>
>
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