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-2024-04-01.tar.gz
SHA256 (./ip4a.net.cert-2024-04-01.tar.gz) = a88304c005dc8ba61bf2a568bde0105d6a31f069cd3249594dd96857a37155d5

cert.pem

# openssl x509 -in ./cert.pem -text -noout
Certificate:
   Data:
       Version: 3 (0x2)
       Serial Number:
           04:ef:d2:58:ef:74:37:6e:d1:ad:a1:b9:29:3a:ba:77:91:1c
       Signature Algorithm: sha256WithRSAEncryption
       Issuer: C = US, O = Let's Encrypt, CN = R3
       Validity
           Not Before: Apr  1 00:04:43 2024 GMT
           Not After : Jun 30 00:04:42 2024 GMT
       Subject: CN = *.ip4a.net
       Subject Public Key Info:
           Public Key Algorithm: id-ecPublicKey
               Public-Key: (256 bit)
               pub:
                   04:5e:0f:ec:02:03:35:64:d9:4b:62:65:60:ee:08:
                   7d:53:40:10:5c:15:1f:cb:44:23:df:21:87:0c:44:
                   20:ac:8f:36:ef:46:47:7c:ab:34:90:1e:7c:06:71:
                   47:0b:d3:c9:ae:37:cb:84:f4:03:a4:75:46:b5:27:
                   3b:65:83:03:c3
               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: 
               2F:2D:D7:26:E8:3D:B2:8F:6A:1F:08:6F:6D:1B:EA:2D:00:5E:5D:57
           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    : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12:
                               ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E
                   Timestamp : Apr  1 01:04:43.710 2024 GMT
                   Extensions: none
                   Signature : ecdsa-with-SHA256
                               30:46:02:21:00:AD:F1:F6:DC:3A:E7:0D:51:44:87:03:
                               EB:8B:92:3C:B7:B7:31:DC:64:F1:B9:7E:76:6B:C0:8E:
                               B7:89:0C:3F:63:02:21:00:FC:CA:13:DF:BF:24:CE:07:
                               65:0E:B4:43:9E:86:56:EE:CC:10:F8:FF:0F:91:E7:C0:
                               57:13:B6:1E:6A:93:38:1D
               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 : Apr  1 01:04:43.866 2024 GMT
                   Extensions: none
                   Signature : ecdsa-with-SHA256
                               30:46:02:21:00:FE:80:3A:5B:61:0A:64:59:98:9E:60:
                               B8:6B:8A:96:54:2D:B5:AA:84:37:F5:07:F2:50:E8:E6:
                               39:55:E9:13:05:02:21:00:A3:0A:5D:C7:64:95:13:DC:
                               21:54:D9:F8:1E:74:68:D9:6B:E9:06:D9:36:0D:CE:DF:
                               A1:33:90:A2:BB:D7:9C:5C
   Signature Algorithm: sha256WithRSAEncryption
        8d:07:34:d8:54:b2:da:06:76:25:b2:f1:b5:f0:45:a9:ae:7d:
        40:2a:d1:75:8b:ae:95:80:aa:d3:aa:c0:ed:5c:95:e5:71:3a:
        f5:3b:dd:1f:8b:bf:7a:f8:53:fa:d1:83:25:ef:75:85:dc:d8:
        c5:b0:a1:05:f9:3f:25:1e:b1:6f:a4:58:19:42:9f:87:2d:15:
        1b:29:bc:6e:99:af:8f:2d:d1:0b:14:7b:0e:77:0d:28:61:8a:
        23:b0:54:31:c3:d1:d5:c0:ff:7e:e1:67:3d:bf:fb:2c:72:f5:
        06:f6:69:a5:2d:66:ac:be:2b:01:3a:5b:5b:f7:69:cd:e0:c5:
        29:7a:11:7f:b8:39:bf:d9:4a:5f:6a:9f:fd:1d:23:57:61:2f:
        05:87:ac:03:8c:e4:b7:82:f5:c9:54:fb:bc:37:58:1b:e3:e7:
        ba:4b:06:1d:38:43:e5:02:93:12:fb:f9:d1:ea:5d:fe:dd:88:
        38:27:82:e1:cd:51:cb:ca:66:fd:77:c9:52:39:57:cf:86:2a:
        83:26:4b:16:b1:fe:5b:80:1b:71:62:38:fb:06:e2:24:e4:4b:
        99:f1:80:8c:bc:b4:65:41:52:ad:78:e7:a6:90:28:70:ee:90:
        24:93:5d:cb:f9:d6:ed:2e:ce:07:9f:a9:48:74:8d:5e:f8:73:
        80:2c:31:7b

privkey.pem


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