If your website uses Cloudflare service, please make sure that Cloudflare does not block FastCron.
To add FastCron's IP addresses to the Cloudflare whitelist, follow this step-by-step:
- Create a list of FastCron IPs in your Cloudflare account
Visit Manage Account > Configurations > Lists, and create a new list.
Add all IP addresses to your new list
- Create a firewall rule (WAF)
Visit Security > WAF, create a new firewall rule
Create a new rule to bypass all features from all IP source addresses in the previous list.
After deploying the firewall rule, FastCron will no longer be blocked by Cloudflare.