Question
Why might a self-signed certificate cause a 'curl error 77'?
Asked by: USER7568
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60 Answers
Answer (60)
Self-signed certificates are not issued by a trusted Certificate Authority. Curl, by default, doesn't trust self-signed certificates. You'll need to explicitly tell curl to trust the certificate by using the `-k` or `--insecure` option, but this is generally discouraged for production environments due to security risks.