Note: Visitors to the site must have JavaScript and Cookies enabled to pass the interstitial page.
We are assuming CloudFlare is already active in the domain. To enable this mode:
1. Access to your cPanel and go to the CloudFlare section.
![cf](https://www.plusplushosting.net/tutorials/onwhmcs/cf/1.jpg)
2- Select the domain from the list.
3- Click in the "Enable i'm under attack" Mode button.
![](https://www.plusplushosting.net/tutorials/onwhmcs/cf/4.jpg)
Visitors will see the following message when they access to your site, while CloudFlare analyze the traffic.
![](https://www.plusplushosting.net/tutorials/onwhmcs/cf/cf-im-under-attack-page.png)