내용 | 명령어 | 기타 |
certification 내용 확인 | > openssl x509 -in cert.pem -noout -text | Certificate: Data: Version: 3 (0x2) Serial Number: ... Signature Algorithm: sha256WithRSAEncryption Issuer: C = US, O = Let's Encrypt, CN = R3 Validity |
발급된 cert파일과 private key가 같은지 확인 | > openssl x509 -noout -modulus -in cert.pem | openssl md5 > openssl rsa -noout -modulus -in privkey.pem | openssl md5 |
MD5(stdin)= 41dc41d6318ac4e5586bfa0ce8e1249b MD5(stdin)= 41dc41d6318ac4e5586bfa0ce8e1249b |
CA cert 확인 | > openssl verify -CAfile isrgrootx1.pem RSA-chain.pem | RSA-chain.pem: OK |
ssl connectivity 확인 | openssl s_client -verify_return_error -connect <domain>:<ssl port> | CONNECTED(00000005) depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify return:1 depth=1 C = US, O = Let's Encrypt, CN = R3 verify return:1 depth=0 CN = <domain> verify return:1 --- |
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