TLS/SSL cert for IPv4 Private Addresses

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Usage

Download cert.pem and privkey.pem, install to your private system.

For example:
https://192-168-0-1.ip4a.net/

Download

ip4a.net.cert-2024-03-01.tar.gz
SHA256 (./ip4a.net.cert-2024-03-01.tar.gz) = bcd69dc5693b3c97953f568754a04861f9553f51a6fc89b779da8e8b75034250

cert.pem

# openssl x509 -in ./cert.pem -text -noout
Certificate:
   Data:
       Version: 3 (0x2)
       Serial Number:
           04:0a:4b:3c:14:b4:1e:b6:a3:7c:fc:ac:42:ce:dc:9b:52:17
       Signature Algorithm: sha256WithRSAEncryption
       Issuer: C = US, O = Let's Encrypt, CN = R3
       Validity
           Not Before: Mar  1 00:04:14 2024 GMT
           Not After : May 30 00:04:13 2024 GMT
       Subject: CN = *.ip4a.net
       Subject Public Key Info:
           Public Key Algorithm: id-ecPublicKey
               Public-Key: (256 bit)
               pub:
                   04:89:f3:69:9e:c8:6a:44:65:72:b3:b2:cf:a0:b6:
                   0e:18:0f:20:ba:98:8f:e9:b9:24:2b:e5:e7:46:a9:
                   e9:09:7e:b8:a9:82:9a:b8:26:e4:4e:6a:46:52:b7:
                   54:bd:bd:74:62:60:24:a3:fd:9b:ea:d0:bd:16:76:
                   f2:75:04:b2:99
               ASN1 OID: prime256v1
               NIST CURVE: P-256
       X509v3 extensions:
           X509v3 Key Usage: critical
               Digital Signature
           X509v3 Extended Key Usage: 
               TLS Web Server Authentication, TLS Web Client Authentication
           X509v3 Basic Constraints: critical
               CA:FALSE
           X509v3 Subject Key Identifier: 
               DA:AC:35:57:C4:3B:A2:4A:7A:B0:5E:84:CB:7F:C7:DC:EA:A0:0D:16
           X509v3 Authority Key Identifier: 
               keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
           Authority Information Access: 
               OCSP - URI:http://r3.o.lencr.org
               CA Issuers - URI:http://r3.i.lencr.org/
           X509v3 Subject Alternative Name: 
               DNS:*.ip4a.net, DNS:ip4a.net
           X509v3 Certificate Policies: 
               Policy: 2.23.140.1.2.1
           CT Precertificate SCTs: 
               Signed Certificate Timestamp:
                   Version   : v1 (0x0)
                   Log ID    : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
                               1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
                   Timestamp : Mar  1 01:04:14.426 2024 GMT
                   Extensions: none
                   Signature : ecdsa-with-SHA256
                               30:45:02:20:48:71:F8:0F:42:43:E2:78:4D:82:FC:F4:
                               7C:3E:7A:65:EB:81:94:CB:7B:21:0C:8A:DC:A7:EC:7F:
                               FF:24:E5:25:02:21:00:F4:C6:CC:38:45:20:BC:3A:83:
                               4E:21:C4:FE:E1:81:C8:69:C6:4B:63:93:98:FD:14:05:
                               FB:1F:35:5D:CB:6C:4D
               Signed Certificate Timestamp:
                   Version   : v1 (0x0)
                   Log ID    : A2:E2:BF:D6:1E:DE:2F:2F:07:A0:D6:4E:6D:37:A7:DC:
                               65:43:B0:C6:B5:2E:A2:DA:B7:8A:F8:9A:6D:F5:17:D8
                   Timestamp : Mar  1 01:04:14.527 2024 GMT
                   Extensions: none
                   Signature : ecdsa-with-SHA256
                               30:46:02:21:00:98:5A:1E:54:2E:6C:77:3F:BD:3C:67:
                               DC:3C:10:45:C5:D6:9F:46:EE:7A:3D:2B:48:C1:92:8C:
                               F1:D4:59:F6:47:02:21:00:FF:0F:32:5A:5E:12:3C:7A:
                               B3:8A:9A:FC:7F:8D:9C:06:2B:D5:54:26:27:AB:38:E5:
                               8F:04:CA:18:44:58:23:6F
   Signature Algorithm: sha256WithRSAEncryption
        99:00:59:0e:bf:63:8f:e4:85:9f:cd:f5:ea:71:33:af:30:3a:
        7d:e1:f0:3c:12:89:7b:bc:f7:e1:f8:ab:11:97:aa:30:dc:58:
        79:e5:3f:79:c5:db:2c:32:d0:a7:e4:17:1a:d8:41:ff:17:73:
        14:f1:8f:1c:21:1c:19:36:ec:1e:64:12:65:e8:65:51:50:f3:
        d1:ad:db:3b:9a:98:bd:b1:0d:a9:80:6d:3d:0e:c0:0f:d7:26:
        a7:ac:42:12:e5:a8:27:d9:5e:a4:51:26:95:af:89:b8:2b:46:
        6d:72:ff:54:4a:a8:af:ae:5b:a7:13:da:a5:a4:b2:dc:4b:99:
        e7:f3:c0:44:26:de:2c:0b:66:ae:db:4f:69:2b:48:88:9a:76:
        39:ec:bb:12:25:2d:16:e4:c9:3b:4e:24:0c:ab:39:5f:42:ce:
        04:30:da:ed:70:16:28:6a:75:6f:03:f2:13:f5:80:69:ca:ef:
        8c:58:1a:a6:f3:a2:29:10:8d:0f:78:73:78:29:fa:d6:86:38:
        ca:24:77:63:5e:fe:ca:f3:26:88:6f:7d:9c:6a:89:6b:e7:31:
        e8:52:60:98:6c:6b:cf:0c:74:e9:11:dd:be:71:07:c8:3d:06:
        06:e2:04:29:67:26:45:82:e9:70:8f:5f:8f:60:b0:55:1f:80:
        0c:33:41:0c

privkey.pem


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