Captcha Security : By using this function, users will need to edit exactly same characters in form before being redirected to next website (Advertiser's website). Because it requires and human action to complete search process, this would be the best filter to drop any automated clicks by software. This requires to have GD library in your server so that script can generate graphic image.
Time interval : This function would help to avoid bots click. It requires to have a certain time interval between search and click. To disable it, set 0. You may set between 1 to 2 for accepting natural clicks. If you set 3 or higher, you may block even human clicks.
Security options (1) : details are described in your script admin area. We recommend to activate all section 1 options to protect from fake kind of clicks.
Security options (2) : Those filters are only for sites which get specific problematic traffic.
Anti bot clicks : To use this filter, you must activate all Option 1 filters. This is extremely strict filter and you may block too much traffic. And it uses a lot of real time server resource. Unless you have serious problem which you cannot maintain without enable this filter, there is no need to enable this. It is kind of emergency filter.
