Question about firewall and server

Hello everyone I have the free version of Cloudflare for my website and recently I started getting error 520 (very rarely), someone told me that I should add my server to the Cloudflare firewall.
Here are the options I see:

He told me that in the Cloudflare firewall I should put the IP of my server in bypass and with all the options (the 5 that I see and that I understand are free). Is this correct? In operator should I put equals?

Any help?

This won’t do anything if you’re saying users visiting your site are getting a 520 error.

They probably mean that the firewall on your server or hosting provider should be allowing all of the IP addresses listed in

This topic was automatically closed 15 days after the last reply. New replies are no longer allowed.