Quote Originally Posted by Gman View Post
Apparently it's under Settings > Human Verification Manager

https://vbulletin.org/forum/showthread.php?t=315960

...and maybe this is an option?: Admin CP -> Usergroups -> Usergroup Manager -> Edit Usergroup (Unregistered) -> Require Human Verification on Configured Actions -> Yes
We use the Human Verification System (HVS), just not the CAPTCHA at this time. I just looked at it again and we do have HVS configured for that usergroup. There is no option to activate it for accessing/browsing the site.