C*O*L*T
C*O*L*T
CDCloudflare Developers
Created by C*O*L*T on 3/26/2025 in #general-help
AWS EC2 Plesk, enabling Proxied mode drops site 521 error
#Environment AWS EC2 instance Plesk Obsidian 18.0.6.7 with Nginx + Apache Cloudflare for DNS and proxy #Issue Description When using Cloudflare in DNS-only mode, site loads perfectly fine. However, when switching to Proxied mode A and CNAME - www, I consistently get a Cloudflare 521 error (Web server is down). #Troubleshooting Steps Already Taken AWS Security Configuration: Inbound security groups allow all traffic (0.0.0.0/0) on ports 80 and 443 No network ACLs are blocking connections #Server Configuration: Disabled ModSec, Fail2Ban and mod_reqtimeout in Plesk Verified Nginx is listening on all interfaces: Copyss -tulpn | grep nginx tcp LISTEN 0 511 0.0.0.0:443 0.0.0.0:* users:(("nginx",pid=3639309,fd=45),("nginx",pid=3639308,fd=45)) tcp LISTEN 0 511 0.0.0.0:80 0.0.0.0:* users:(("nginx",pid=3639309,fd=46),("nginx",pid=3639308,fd=46)) Confirmed no iptables rules are blocking traffic: Copyiptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination #Nginx Configuration: Added listening directives for all interfaces in both server.conf and domain.conf: listen 80; listen 443 ssl http2; Verified configuration with nginx -t and restarted Nginx #Cloudflare Configuration: Using "Flexible", "Strict", "Full" SSL/TLS mode all gives 521 Properly configured A records No custom Page Rules affecting the site #What I've Verified The site works perfectly in DNS-only mode Nginx is properly listening on all interfaces for ports 80 and 443 No firewall rules are blocking traffic I have issued CFlare SSL certificate, installed on the domain at Plesk, still 521
2 replies
CDCloudflare Developers
Created by C*O*L*T on 3/25/2025 in #general-help
Cannot locate dashboard account
Hello, trying to view submitted case and on trying to open the case, getting "Cannot locate dashboard account". Pro plan, thank you in advance Case # : 01434918 Subject : domain is not appearing in my account, however I bought it from CloudFlare
4 replies