Community Member Profile
Avid
Member since Mar 27, 2011
- Profile: /members/8047-Avid.htm
- Comments: 2
- Points: 19
Recent Blog Comments By Avid
-
Using CAPTCHA In ColdFusion 8
Posted on Mar 28, 2011 at 10:51 AM
@Jody, Yes, the value passed in the captcha is dynamic and encrypted. But for the line that compares the passed value with the encrypted value below: <cfif (strCaptcha EQ FORM.captcha)> If the spammer can check the form once and scrape the strCaptcha encrypted string... read more »
-
Using CAPTCHA In ColdFusion 8
Posted on Mar 27, 2011 at 10:50 PM
I have been using captcha with cfimage and passing the encrypted or hashed field as a hidden value and comparing it to the user input, however a spammer or bot can still bypass the form. They can scrape the encrypted hidden value from the form and know it's corresponding real value one-time from... read more »
