421 Service not available.\r\n

nginx

HTTP/1.1 403 Forbidden
Server: nginx
Date: Tue, 23 Apr 2024 03:44:44 GMT
Content-Type: text/html
Content-Length: 564
Connection: keep-alive
Vary: Accept-Encoding

net-snmp

SNMP:
  Versions:
    3
  Engine Boots: 17
  Engineid Data: 80001f8880d79d3162afcdaa5600000000
  Enterprise: 8072
  Engine Time: 2177 days, 0:39:48

nginx

HTTP/1.1 403 Forbidden
Server: nginx
Date: Sun, 28 Apr 2024 06:10:58 GMT
Content-Type: text/html
Content-Length: 564
Connection: keep-alive
Vary: Accept-Encoding

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:e6:33:b9:01:0e:9b:b3:03:c1:f2:04:67:76:9a:59:77:00
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R3
        Validity
            Not Before: Apr 25 00:24:28 2024 GMT
            Not After : Jul 24 00:24:27 2024 GMT
        Subject: CN=*.ziyu.net
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:c0:1c:4a:17:ae:94:a9:bf:73:7d:fe:36:c4:5f:
                    a2:45:4b:be:80:e7:2b:d7:04:de:2b:70:2e:24:ab:
                    ec:06:a1:01:a1:67:17:fa:4b:db:e8:2a:e5:29:95:
                    4a:30:02:e0:06:7d:41:d2:dd:96:d1:1e:6e:5c:38:
                    90:44:65:88:27:ee:54:bd:98:2a:c7:64:e4:09:e9:
                    54:83:a4:ed:6b:2f:ed:d7:9c:2b:67:e1:95:e3:d4:
                    d9:5e:47:cc:3d:7b:5d:bd:2f:70:9d:af:ea:ff:78:
                    e2:1a:62:d2:7b:80:26:6d:d7:a8:b7:0c:85:e9:ce:
                    d7:b1:2b:71:32:b5:c7:2a:90:34:c5:71:74:6a:6a:
                    f4:c9:c8:b3:5e:b4:58:60:74:09:75:21:c8:4f:d3:
                    fb:e7:03:69:18:d0:4c:bc:05:97:7e:b8:c5:c3:f3:
                    2f:79:f6:8f:73:cf:80:70:9f:50:66:2e:f3:91:70:
                    9d:09:b5:cf:ef:a0:49:7b:91:67:97:b8:51:97:61:
                    32:73:48:54:bd:01:b3:35:ff:24:d5:4a:f0:43:da:
                    6b:92:77:28:2f:2d:72:88:56:03:c7:5c:00:c6:f0:
                    28:8b:32:38:8c:73:d1:ba:43:cf:68:22:77:4a:cb:
                    29:77:39:3d:d9:88:a1:2a:d0:f3:b5:4f:98:67:e5:
                    dc:93
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                B8:0E:18:33:91:C1:3A:F2:9C:CE:08:BB:09:7B:1A:AE:62:E6:A6:7E
            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:*.ziyu.net, DNS:ziyu.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 : Apr 25 01:24:28.662 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:3C:24:A2:A1:B8:B5:7E:0B:AE:1F:0C:30:
                                8C:F7:12:55:CF:41:55:53:22:50:C5:C0:DE:F4:1E:49:
                                36:DA:CE:DE:02:20:69:D0:1B:8B:C2:59:CE:53:CC:B3:
                                FC:FD:69:4E:8E:78:EC:36:05:54:B2:35:9E:1C:66:47:
                                F3:D8:EE:94:38:4E
                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 25 01:24:28.678 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:E2:8C:AC:09:1C:21:B6:A7:D7:38:CC:
                                45:36:71:27:E2:D3:6E:36:D2:EF:1D:5B:A0:87:D0:F5:
                                64:46:2E:BB:86:02:21:00:E5:DB:1C:66:FB:84:87:BC:
                                79:E7:37:18:24:FA:6D:B0:4E:7D:74:4E:50:DA:A9:FF:
                                65:38:35:A5:BC:4A:0A:83
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        7a:ba:64:71:f0:ad:b3:19:58:15:05:a3:ca:14:ae:e8:cc:fa:
        4e:b6:ca:95:8e:c8:81:b5:1f:f2:bb:f4:79:a1:62:e3:16:26:
        5b:b5:fb:d7:d7:b5:51:d3:3f:cb:ac:fe:c6:c9:af:d4:4c:f8:
        b0:af:bd:ef:50:99:3d:a7:dd:4b:8e:6b:0f:76:1a:c1:09:c5:
        63:52:e1:3e:15:43:a5:f7:e1:83:43:55:70:35:9e:65:f3:62:
        9c:35:34:ad:40:fe:c1:a8:ca:52:9b:3d:da:46:8f:ea:0b:ce:
        11:9f:39:e5:b8:a3:49:b7:21:5e:be:ff:5c:65:03:5f:85:dd:
        8b:34:e2:af:4a:2e:ff:18:83:80:30:41:8b:7f:44:11:fb:bb:
        c9:78:14:14:09:13:1a:98:10:6d:6f:1d:eb:a2:3f:89:b3:6c:
        cd:0b:35:ad:33:59:e3:cd:17:30:df:f5:27:2e:87:02:9f:b5:
        db:7f:0c:8a:b3:58:25:a6:40:08:6f:94:83:fd:2e:62:d3:f0:
        17:f5:97:7c:11:08:3a:ea:8c:5b:e0:eb:e0:9d:b5:18:c5:9b:
        59:7e:5f:77:7a:91:2c:b9:15:2c:08:d4:47:86:cf:3d:03:db:
        d3:e8:4b:68:cc:3a:40:db:90:e6:5f:d7:3a:2a:0a:33:74:2e:
        51:d2:3c:b4