
Troubleshooting
Cloudflare 521 Error: How to Check Server Logs
If you're seeing a Cloudflare 521 error, it means Cloudflare tried to connect to your origin ...
Clear technical guides for everyday software errors, configuration problems, and productivity tools.

If you're seeing a Cloudflare 521 error, it means Cloudflare tried to connect to your origin ...

After restarting nginx, you might see errors like connect() to unix:/var/run/php-fpm.sock f...

When you see fatal: unable to access '...': SSL certificate problem: unable to get ...

If Chrome shows 'Your connection is not private' with 'NET::ERR_CERT_AUTHORITY_INVALI...

If you're seeing ERR_CONNECTION_RESET in Chrome, it usually means the connection...

If you see a 521 error after setting up Cloudflare, it means your origin server refused the conne...
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