I have a problem with iptables. I added the cloudflare IP’s to whitelist using this document. https://support.cloudflare.com/hc/en-us/articles/201897700-Whitelisting-Cloudflare-IP-addresses
But sometimes iptables drops the cloudflare IP address and my website can’t be reached. What I need to do to prevent this situation?
Here is the screenshot:
Thanks for the support.