| 51 | |
| 52 | == 証明書の確認 == |
| 53 | {{{ |
| 54 | $ $ openssl s_client -connect yuna.ultimania.org:443 </dev/null 2>/dev/null | openssl x509 -noout -text |
| 55 | Certificate: |
| 56 | Data: |
| 57 | Version: 3 (0x2) |
| 58 | Serial Number: |
| 59 | 04:0b:a4:f8:d5:5e:e0:92:a4:53:fc:9c:53:f1:b4:f6:d5:ba |
| 60 | Signature Algorithm: sha256WithRSAEncryption |
| 61 | Issuer: C = US, O = Let's Encrypt, CN = R11 ★発行者 |
| 62 | Validity |
| 63 | Not Before: Nov 12 04:22:58 2024 GMT |
| 64 | Not After : Feb 10 04:22:57 2025 GMT |
| 65 | Subject: CN = ultimania.org |
| 66 | Subject Public Key Info: |
| 67 | ... |
| 68 | X509v3 extensions: |
| 69 | X509v3 Key Usage: critical |
| 70 | Digital Signature, Key Encipherment |
| 71 | X509v3 Extended Key Usage: |
| 72 | TLS Web Server Authentication, TLS Web Client Authentication |
| 73 | X509v3 Basic Constraints: critical |
| 74 | CA:FALSE |
| 75 | X509v3 Subject Key Identifier: |
| 76 | 71:34:2D:CC:B9:53:C7:AE:6D:FF:EB:95:E3:99:D4:3F:3D:3D:57:7F |
| 77 | X509v3 Authority Key Identifier: |
| 78 | C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9 |
| 79 | Authority Information Access: |
| 80 | OCSP - URI:http://r11.o.lencr.org |
| 81 | CA Issuers - URI:http://r11.i.lencr.org/ |
| 82 | X509v3 Subject Alternative Name: ★証明書のドメイン |
| 83 | DNS:alminium.ultimania.org, DNS:drive.ultimania.org, DNS:kanon.ultimania.org, DNS:test.ultimania.org, DNS:ultimania.org, DNS:yuna.ultimania.org |
| 84 | X509v3 Certificate Policies: |
| 85 | Policy: 2.23.140.1.2.1 |
| 86 | CT Precertificate SCTs: |
| 87 | Signed Certificate Timest |
| 88 | }}} |
| 89 | |
| 90 | ==== 証明書タイプの見分け方 ==== |
| 91 | |
| 92 | ■ドメイン証明書 |
| 93 | |
| 94 | {{{ |
| 95 | Subject: CN = ultimania.org |
| 96 | }}} |
| 97 | |
| 98 | CNがドメイン名のみ。 |
| 99 | |
| 100 | ■企業認証証明書 |
| 101 | |
| 102 | |
| 103 | {{{ |
| 104 | Subject: C = US, ST = WA, L = Redmond, O = Microsoft Corporation, CN = microsoft.com |
| 105 | }}} |
| 106 | |
| 107 | 所在地、組織情報が入っている。 |
| 108 | |
| 109 | ■EVSSL |
| 110 | |
| 111 | {{{ |
| 112 | Issuer: C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Extended Validation Secure Server CA |
| 113 | }}} |
| 114 | |
| 115 | IssuerにExtended Validation Secure ServerもしくはEV SSLが入っている。 |
| 116 | |
| 117 | |
| 118 | |