Download cert.pem and privkey.pem, install to your private system.
For example:
https://192-168-0-1.ip4a.net/
ip4a.net.cert-2024-06-01.tar.gz
SHA256 (./ip4a.net.cert-2024-06-01.tar.gz) = d2dce9e5e55b20cc8ef672a8c9e92291afcc40fa304e8bcafef3862d70a8b210
# openssl x509 -in ./cert.pem -text -noout
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:e0:d4:f2:2f:db:41:4d:44:d9:4a:4d:62:f6:67:88:67:ca
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R3
Validity
Not Before: Jun 1 00:05:36 2024 GMT
Not After : Aug 30 00:05:35 2024 GMT
Subject: CN = *.ip4a.net
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:05:0b:60:50:0d:91:14:30:b6:c3:e2:92:f7:4f:
34:bb:b2:20:de:ea:c8:4c:14:9c:40:52:f2:56:1e:
b1:ce:39:77:ca:d0:11:bb:61:c8:76:49:8c:bb:c2:
cb:54:cb:75:ad:f5:65:01:ee:30:cd:1a:8d:d6:b9:
6f:0b:2d:48:62
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:
5A:7E:DB:02:A2:A2:2A:85:2C:1D:48:D4:F7:2C:9B:3D:E9:98:D4:37
X509v3 Authority Key Identifier:
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 : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
Timestamp : Jun 1 01:05:36.441 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:5E:B2:80:AD:6B:58:07:AB:1E:AA:2B:6A:
16:A3:07:8A:81:B5:81:1C:98:89:24:63:05:C3:EE:69:
D8:9C:5C:AB:02:21:00:84:6C:61:49:10:56:35:D6:09:
A2:FE:90:C7:1A:6B:8D:03:9C:CF:28:4E:98:62:7D:19:
99:C2:88:57:20:A3:B3
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 : Jun 1 01:05:36.448 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:45:CD:AE:96:7D:61:9C:B7:10:27:EB:AD:
B0:A7:1B:FD:66:97:07:89:0A:71:26:EE:B2:61:7B:71:
17:AD:99:37:02:21:00:8F:D8:D5:91:A7:85:74:70:D8:
47:FF:86:AB:F8:D8:98:12:A4:A7:37:D0:A4:F3:30:08:
98:2A:21:02:AC:35:94
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
b6:ee:c2:01:94:38:f2:e7:70:a5:8f:92:12:1b:44:0d:4c:19:
d6:91:0f:4e:3d:5f:50:e4:09:ca:6f:6b:5f:ef:66:7e:26:51:
91:8f:34:65:e7:75:a9:c8:27:d0:d9:60:f4:7b:ec:a0:24:cd:
cb:07:2c:df:7b:55:ba:ab:58:b5:28:95:2b:d3:ad:b5:64:1b:
de:de:2d:cc:61:69:5f:99:84:a4:2e:d4:67:c5:bf:1f:bf:04:
82:44:3d:20:c4:b1:d6:98:c0:96:b6:2d:09:28:f7:13:05:6d:
2d:19:cb:db:c9:3c:5d:14:7d:7c:39:c0:69:f3:56:74:c2:fd:
6a:d7:a2:79:7f:9d:1e:85:81:83:93:fd:09:1c:63:be:21:73:
39:e6:d5:05:17:3b:26:ee:7c:f6:2e:15:b0:f9:86:35:69:8a:
70:13:67:2e:55:b1:a9:74:e7:7d:76:28:d0:ae:65:7d:36:dd:
d8:c0:bc:fe:eb:58:e8:80:3e:1f:33:1c:2d:d0:03:11:75:6c:
e1:fd:c4:67:ee:c8:a5:9b:c7:51:d7:78:30:71:bb:4d:83:c6:
6d:04:6f:93:84:b7:b7:74:92:b9:02:31:c2:8e:57:b1:0c:c6:
32:93:90:40:0f:64:9d:67:a3:68:34:fc:e3:40:a6:ae:6e:8f:
cc:2e:1c:95