Verifiqué que la CA raíz AddTrust External CA Root
está instalada en el almacén de certificados de Windows 10. ¿De qué otra manera puedo solucionar esto desde la perspectiva del cliente?
$ openssl s_client -connect service.electrostub.com:443 -tls1_2
depth=2 C = GB, ST = Greater Manchester, L = Salford,
O = COMODO CA Limited, CN = COMODO RSA Certification Authority
verify error:num=20:unable to get local issuer certificate
verify return:0
---
Certificate chain
0 s:/OU=Domain Control Validated/OU=PositiveSSL Wildcard/CN=*.electrostub.com
i:/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO RSA
Domain Validation Secure Server CA
1 s:/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO RSA
Domain Validation Secure Server CA
i:/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO RSA Certification Authority
2 s:/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO RSA Certification Authority
i:/C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External CA Root