random string for page submission

  • Thread starter Thread starter Keith G Hicks
  • Start date Start date
K

Keith G Hicks

I'm looking for one of those tools that lets your page generate an obscurred
image of a random character string that the user has to type into a text box
in order to submit a page. I'm not sure what it's called or what to look.
Can anyone point me in the right direction. Free is preferable.

Thanks,

Keith
 
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