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When trying to setup Cloudflare DNS for SSL for my DigitalOcean Ubuntu server, I received a “Error 521” and started troubleshooting.
I found this article: https://support.cloudflare.com/hc/en-us/articles/200169166-How-do-I-whitelist-CloudFlare-s-IP-addresses-in-iptables-
And followed the steps until saving. Since there was no change, when I tested https://MyDomain.com, I didn’t bother saving the iptable entries.
Is there something I’m missing here??
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IsaacMvd
Leon Junior
hashembarret@gmail.com
JetForMe
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Philipp Mayerhofer
enews
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