I agree with Adrian. I used the hidden form field technique, along with screening out "http://"; in certain form fields, and it has eliminated 100% of the form submission spam without impacting legitimate users.
-Mike Chabot On 4/16/07, Adrian Wagner <[EMAIL PROTECTED]> wrote: > Besides the accessibilty issues with CAPTCHAs, I also find it a burden > put on your user that is not necessary. It's not their fault that > spammers abuse your form. They shouldn't be punished for it. There are > other solutions - simply dynamically named hidden fields already > eliminated 99% of spam on my site. > If you don't have issues with JS, then the following is a good > solution: > > http://cfformprotect.riaforge.org/ > > Eliminated 100% of form spam in all the sites I've implemented it. And > that's only with 4 of 5 security levels activated. > > a. > > >>> [EMAIL PROTECTED] 16/04/2007 8:47 pm >>> > > I have a feedback form on our website, and we're getting a lot of SPAM. > I don't know if it's because we're using mailto in the cf code or > because we're not using some sort of image verification on the form (I'm > sure it's a combination of the two). Does anyone know of a good CF > based form validation/image verification code to help make our feedback > section more secure? > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Create Web Applications With ColdFusion MX7 & Flex 2. Build powerful, scalable RIAs. Free Trial http://www.adobe.com/products/coldfusion/flex2/?sdid=RVJS Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:275548 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
