ERR_CERT_AUTHORITY_INVALIDERR_CERT_AUTHORITY_INVALID — Untrusted Certificate Authority
The SSL/TLS certificate is issued by a certificate authority that is not trusted.
ENOTFOUNDThe DNS lookup for the hostname failed in Node.js.
Node.js could not resolve the hostname to an IP address. The domain may not exist, DNS servers may be unreachable, or there is a typo in the hostname.
Check the hostname for typos. Verify DNS connectivity from the server. Use an IP address instead for testing. Check if the domain is registered and has DNS records.
ERR_CERT_AUTHORITY_INVALIDThe SSL/TLS certificate is issued by a certificate authority that is not trusted.
ERR_CONNECTION_REFUSEDThe browser's connection attempt was actively refused by the server.
REFUSEDThe DNS server refused to answer the query.
Content Security Policy violationA resource or action was blocked by the Content-Security-Policy header.
ERR_ABORTEDThe network request was cancelled before completion.
CORS: Preflight request failedThe CORS preflight OPTIONS request was rejected by the server.