I use Linode to host my sites and everything was working just fine. Today I am testing out the Linode firewall for some extra security the issue is when I turn the firewall on my site is very slow at connecting for the first time but will connect after 10-20 seconds then it loads just fine. 5-10 minutes later it will be very slow at connecting again. If I turn the firewall off it works just fine. My question is do I need to open some additional ports or anything like that for Cloudflare? I know the issue is something with the firewall I just don’t know what. I have 80, 553 and 53 open.
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