curl: (60) SSL certificate problem: unable to get local issuer certificate

Question

root@sclrdev:/home/sclr/certs/FreshCerts# curl --ftp-ssl --verbose ftp://{abc}/ -u trup:trup --cacert /etc/ssl/certs/ca-certificates.crt
* About to connect() to {abc         


        

Answer 1

I had this problem with Digicert of all CAs. I created a digicertca.pem file that was just both intermediate and root pasted together into one file.

curl https://cacerts.digicert.com/DigiCertGlobalRootCA.crt.pem
curl https://cacerts.digicert.com/DigiCertSHA2SecureServerCA.crt.pem

curl -v https://mydigisite.com/sign_on --cacert DigiCertCA.pem
...
*  subjectAltName: host "mydigisite.com" matched cert's "mydigisite.com"
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert SHA2 Secure Server CA
*  SSL certificate verify ok.
> GET /users/sign_in HTTP/1.1
> Host: mydigisite.com
> User-Agent: curl/7.65.1
> Accept: */*
...

Eorekan had the answer but only got myself and one other to up vote his answer.