Download cert.pem and privkey.pem, install to your private system.
For example:
https://192-168-0-1.ip4a.net/
ip4a.net.cert-2025-02-01.tar.gz
SHA256 (./ip4a.net.cert-2025-02-01.tar.gz) = 561a50bd20ba3682664e039b787fcb0b592393ed878b70d73bdc9fd882ec4688
# openssl x509 -in ./cert.pem -text -noout
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
04:51:36:5f:da:48:ad:42:20:ff:7a:eb:aa:df:0f:09:5d:be
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E5
Validity
Not Before: Feb 1 00:05:04 2025 GMT
Not After : May 2 00:05:03 2025 GMT
Subject: CN = *.ip4a.net
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:3f:ce:fe:12:38:e5:41:1a:ce:95:1f:87:81:09:
1c:fe:98:42:62:49:ed:1c:9b:85:33:b5:70:79:e3:
6a:3f:98:5a:47:53:08:a0:8c:29:cb:fc:0b:2a:3e:
00:54:22:70:da:0f:d8:33:11:78:7d:0a:e0:da:20:
ce:10:67:ab:28
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:
27:F6:86:52:D8:E4:8F:78:96:C6:AC:EF:CF:D1:B6:01:D2:D8:0B:4A
X509v3 Authority Key Identifier:
9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
Authority Information Access:
OCSP - URI:http://e5.o.lencr.org
CA Issuers - URI:http://e5.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 : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
Timestamp : Feb 1 01:03:34.400 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:CE:55:CC:6B:8A:08:B5:31:94:FC:B8:
F7:28:5C:17:5B:61:20:45:37:A7:58:BD:74:9F:96:17:
EC:8F:6E:19:01:02:20:6D:2B:64:56:4B:3B:33:0D:E5:
55:F4:20:35:56:3F:07:CE:AC:31:AF:42:CF:D1:9B:E0:
8B:D9:9E:9F:A7:E1:38
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 13:4A:DF:1A:B5:98:42:09:78:0C:6F:EF:4C:7A:91:A4:
16:B7:23:49:CE:58:57:6A:DF:AE:DA:A7:C2:AB:E0:22
Timestamp : Feb 1 01:03:34.583 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:DB:3B:94:38:C7:F3:0B:E9:4A:0E:EA:
16:70:F9:4F:8E:EB:D6:85:7E:AB:9E:01:D6:1B:C3:F2:
5A:54:24:FD:00:02:20:25:65:5C:AB:CC:FF:56:5C:76:
9C:85:38:06:AF:6A:66:DD:08:E2:E9:E0:08:A1:1A:20:
6D:AA:FB:54:87:33:C4
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:64:02:30:40:15:34:05:26:a7:37:32:73:37:ff:31:3f:cf:
a1:c5:1b:8f:59:e4:3a:b8:5b:67:24:e0:a3:c1:fb:03:85:27:
04:6a:de:3e:78:5a:03:54:55:45:df:1b:08:e7:47:89:02:30:
42:93:32:02:e0:c9:1f:a1:69:56:7a:45:82:f7:b5:51:fd:24:
d5:2f:79:6a:5f:79:3e:9b:73:fd:e0:18:f7:ad:1e:33:9f:86:
13:2c:db:4f:8b:6b:b3:cd:e3:1d:0b:45