Download cert.pem and privkey.pem, install to your private system.
For example:
https://192-168-0-1.ip4a.net/
ip4a.net.cert-2024-08-01.tar.gz
SHA256 (./ip4a.net.cert-2024-08-01.tar.gz) = e4aa3c922fa5d36bf93e5bb8ba9e106529575bbd233bf728d92c6c0a53dba439
# openssl x509 -in ./cert.pem -text -noout
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:b2:f1:c6:4a:e1:20:a5:a7:4a:b8:bf:3f:e0:01:1a:66:f9
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E5
Validity
Not Before: Aug 1 00:05:44 2024 GMT
Not After : Oct 30 00:05:43 2024 GMT
Subject: CN = *.ip4a.net
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:65:dc:ff:c7:01:43:1e:cc:4e:7f:11:16:c6:57:
29:70:95:a9:e5:6f:46:f6:ed:e6:a1:cf:06:64:ef:
f3:c2:85:78:a4:e4:84:84:86:b8:63:78:1e:90:da:
fd:b1:b1:52:ec:fd:0d:dc:ed:e2:dc:5c:8f:27:36:
28:a8:7d:49:da
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:
1B:D4:C0:5E:2F:A3:B4:AB:1B:B7:D6:1A:F7:37:70:60:11:11:23:0D
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 : 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 : Aug 1 01:05:44.624 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:3A:51:A6:A6:9F:B5:BC:CE:A2:4A:B3:96:
A6:5E:62:1E:18:E1:1E:14:C1:AC:A3:FC:76:E3:22:52:
8E:6E:32:07:02:21:00:E6:34:C0:B7:3A:09:F5:13:A5:
B7:5F:BB:A8:FD:6C:AF:1F:8F:CB:91:D1:B5:F4:17:7C:
8B:AD:78:71:CD:A3:32
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : DF:E1:56:EB:AA:05:AF:B5:9C:0F:86:71:8D:A8:C0:32:
4E:AE:56:D9:6E:A7:F5:A5:6A:01:D1:C1:3B:BE:52:5C
Timestamp : Aug 1 01:05:44.839 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:C6:4A:A5:0E:D6:E3:B0:7B:BC:F7:B3:
85:CC:69:CA:92:BB:6E:9B:A7:1F:D0:4F:8F:2E:2E:1C:
F5:06:D5:F9:D5:02:20:2D:19:9C:48:D7:B7:DA:DE:45:
DA:66:D8:ED:2F:FB:13:7D:45:FC:A7:B3:40:63:EF:68:
58:86:57:A8:27:03:0D
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:66:02:31:00:e7:08:f2:b4:f7:f1:0a:7c:59:59:82:7e:f0:
36:5a:5f:fe:6a:f8:28:d5:8d:09:a3:08:23:06:3d:c4:1b:2c:
08:fa:18:e4:86:71:93:80:fb:42:f0:87:86:17:92:18:91:02:
31:00:fb:5e:a6:e5:e6:6e:90:c6:47:fa:73:c5:31:d1:c6:f7:
f2:d7:be:6c:31:7a:4c:4f:14:a3:ea:b1:08:9a:df:16:f4:62:
60:6f:14:9c:0b:27:a9:80:7b:02:9a:1a:d2:7f