Additional SSL Troubleshooting Commands

Verify Certificate Trust Chain

To verify the trust chain of a certificate, run:

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openssl verify -CAfile rootCA.pem cert.pem

Check Certificate Expiry

To check the expiry date of a certificate, execute:

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openssl x509 -enddate -noout -in cert.pem

Test SSL Handshake with OpenSSL

To test the SSL handshake for a specific service, use:

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openssl s_client -connect hostname:port -CAfile truststore.pem

Check for Specific SSL Errors

To diagnose specific SSL errors, run:

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openssl s_client -connect hostname:port

Display Certificate Details

To display detailed information about a certificate, execute:

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openssl x509 -in cert.pem -text -noout