Guides from the NOC

WordPress plugin updates or API calls failing with cURL error 60? Fix the outdated CA bundle causing 'unable to get local issuer certificate' for good.

AutoSSL or Certbot can't validate your domain? Learn why .well-known/acme-challenge gets blocked and how to fix it on cPanel, Nginx, and Apache.

Getting an SSL warning for mail.yourdomain.com in Outlook or Thunderbird? Learn why the certificate name mismatch happens in cPanel and how to fix it for good.

Cloudflare showing error 526, invalid SSL certificate? Learn why Full (Strict) mode rejects your origin cert and how to fix it for good, step by step.

Getting ERR_SSL_PROTOCOL_ERROR in Chrome? Learn why the browser can't even start a TLS handshake and how to fix it on cPanel, Nginx, Apache, or Cloudflare.

Getting ERR_SSL_VERSION_OR_CIPHER_MISMATCH in Chrome? Learn why it's a TLS handshake failure, not a bad cert, and fix it on cPanel, Nginx, or Cloudflare.

Getting SSL_ERROR_RX_RECORD_TOO_LONG in Firefox? Learn why your browser thinks port 443 isn't serving SSL, and fix the Apache, Nginx or Cloudflare cause.

Seeing NET::ERR_CERT_DATE_INVALID or a mismatch warning? Decode the exact SSL error code and fix expired, mismatched, or mixed-content certificates fast.

Either the certificate expired or your device's clock is wrong. One command tells you which, and the answer changes the fix completely.

The certificate is readable but the browser does not trust its issuer. Usually a missing intermediate certificate - here is the one command that proves it.

Hit Let's Encrypt's 'too many certificates' error? See the exact rate limits, why renewals fail, and how to fix and avoid it on cPanel or a VPS server.

Site down behind Cloudflare showing error 521, 522, or 525? Learn what each code really means and how to fix the origin connection fast.

Site stuck in a redirect loop or showing ERR_TOO_MANY_REDIRECTS? Learn the real causes - SSL mode, .htaccess, WordPress URLs - and fix each one step by step.