How do I ensure Cloudflare's IP addresses are whitelisted in

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Grade: Education Subject: Support
How do I ensure Cloudflare's IP addresses are whitelisted in my server's firewall?
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You need to configure your server's firewall (iptables, UFW, Windows Firewall, etc.) to allow traffic from Cloudflare's IP address ranges. You can find the current list of Cloudflare IP ranges on their website in the 'IP Addresses' section of their documentation. Make sure to update these ranges periodically as Cloudflare's infrastructure evolves.