For the most part, if you visit a gambling site, you will be greeted by the gamban® block page. This:
However, occasionally you might come across this:
This is nothing to worry about. It is down to the the site’s security certification and it’s something that is out of our control. If you click ‘advanced’ followed by ‘proceed anyway’ you’ll arrive at (www.gamban.com). So when you see this page it just means, your protection is working as normal.