AWS ELB2.0

HTTP/1.1 503 Service Temporarily Unavailable
Server: awselb/2.0
Date: Sat, 22 Mar 2025 14:42:59 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 27
Connection: keep-alive

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            05:4c:9e:98:46:b2:55:8f:03:d6:de:90:75:05:b3:d2
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Amazon, CN=Amazon RSA 2048 M03
        Validity
            Not Before: Nov  8 00:00:00 2024 GMT
            Not After : Dec  7 23:59:59 2025 GMT
        Subject: CN=*.kok.uplus.co.kr
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:ca:d5:8e:36:e5:e6:ef:1c:de:91:43:6d:7b:81:
                    1a:ba:e8:1c:0f:91:4e:ae:c1:5d:70:8e:7c:03:fc:
                    7c:56:e8:a2:9e:61:25:1b:01:80:bd:8a:3d:11:f2:
                    a5:08:1c:8f:b1:d7:c1:8e:a1:92:ef:ad:6b:03:04:
                    26:f6:28:65:3e:55:16:0b:20:3a:e0:65:47:bb:0f:
                    ee:9f:8c:d4:e5:a3:24:96:2f:45:c7:ce:a4:10:91:
                    e6:ec:c4:36:83:f9:92:a2:c7:82:0b:c5:f4:2d:39:
                    6a:e8:33:5b:b0:22:b1:f8:36:b4:e6:2e:6c:dc:d7:
                    f6:65:e2:06:fd:15:c6:19:d0:33:38:2c:32:12:10:
                    f9:e8:1b:d5:be:18:1d:55:fa:1d:2d:d2:c5:5b:73:
                    2e:ac:05:aa:58:ca:c7:ad:29:ec:3e:6e:7f:ab:d5:
                    0e:1e:1e:82:05:5c:a8:45:61:b5:78:5d:45:a1:98:
                    b5:67:82:f1:9c:62:ee:90:1f:2c:b5:57:fc:df:cf:
                    7b:52:8b:2e:58:78:9b:27:25:f5:6f:d9:1a:11:af:
                    a2:1e:b3:44:08:8c:02:53:8c:06:37:d6:22:47:a4:
                    d8:e6:31:91:b5:b4:c7:c9:de:ea:95:c0:c9:92:e3:
                    0a:a6:aa:b6:8f:09:5c:17:c8:08:6f:8f:46:4b:89:
                    98:71
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                55:D9:18:5F:D2:1C:CC:01:E1:58:B4:BE:AB:D9:55:42:01:D7:2E:02
            X509v3 Subject Key Identifier: 
                08:6D:BB:B7:91:B1:82:9E:21:CB:F8:AE:9C:B3:B0:01:FD:63:35:38
            X509v3 Subject Alternative Name: 
                DNS:*.kok.uplus.co.kr
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://crl.r2m03.amazontrust.com/r2m03.crl
            Authority Information Access: 
                OCSP - URI:http://ocsp.r2m03.amazontrust.com
                CA Issuers - URI:http://crt.r2m03.amazontrust.com/r2m03.cer
            X509v3 Basic Constraints: critical
                CA:FALSE
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
                                F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
                    Timestamp : Nov  8 00:18:19.712 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:5B:1B:B3:AC:64:87:12:B5:9F:4E:6D:14:
                                E8:FE:13:9F:02:27:32:C8:08:C7:1B:F5:88:47:EF:9C:
                                03:BE:51:CB:02:20:62:DD:6C:DE:BB:BA:EC:B5:68:1D:
                                9D:C2:D7:E1:C9:AE:70:0F:A2:D7:A8:BD:73:3D:60:5A:
                                79:55:B2:4E:6D:B1
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
                                D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
                    Timestamp : Nov  8 00:18:19.830 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:E0:29:86:99:78:1A:AB:0E:9C:B4:F4:
                                1B:19:CC:2B:BD:51:06:49:E7:D2:FC:CA:E5:33:07:93:
                                46:1F:C9:1C:98:02:21:00:9E:37:49:AC:9E:DA:C4:F4:
                                88:00:EF:C5:BA:B8:E5:C3:69:83:AD:DE:50:3F:C3:23:
                                33:8C:53:9F:93:E6:49:A3
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
                                22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
                    Timestamp : Nov  8 00:18:19.633 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:08:24:55:A2:35:91:4E:32:34:9A:06:50:
                                8D:C7:DC:43:BB:B0:1E:43:B7:8B:71:FE:D2:1E:45:64:
                                C1:34:BC:08:02:20:02:8B:76:1F:27:B7:B3:CB:58:04:
                                76:8A:40:2A:3F:AF:8C:FF:35:68:49:88:C3:A2:F2:89:
                                82:74:3C:EA:11:5A
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        04:fd:fd:4e:d4:c5:e6:62:34:be:b1:18:5b:72:24:e9:f0:2c:
        15:de:5b:65:8a:42:25:4d:f6:c1:eb:49:e4:f9:4d:8b:2c:8f:
        81:5c:fd:c9:8e:6a:d6:8a:04:70:b4:be:9a:68:8a:20:de:26:
        00:dc:00:1a:7e:47:e4:ba:65:59:8b:4a:88:a8:e3:5e:1f:10:
        b7:7d:41:88:90:04:a9:4c:d3:25:52:e7:5e:be:53:0c:73:2f:
        e5:43:c0:61:e7:3e:7f:01:33:0c:4b:a4:0c:21:a7:ee:cd:e1:
        ef:35:36:c9:b5:4d:86:13:fa:8b:a5:3e:c7:aa:f6:fc:74:c0:
        15:ae:b3:89:49:96:75:28:d5:55:74:14:b4:31:8d:4c:34:20:
        f1:8c:20:1d:42:04:5f:68:e9:17:2b:58:24:c9:51:a3:84:fe:
        b6:74:b2:c5:0f:05:54:69:2f:87:82:f6:fc:dc:c7:27:73:b8:
        6b:d1:81:df:0d:42:16:7e:6c:36:d0:c1:17:29:5c:25:6c:26:
        87:5f:cf:bd:82:77:e8:73:9d:3f:cd:ec:c2:84:c5:39:56:dc:
        d8:17:36:d2:3c:77:de:1b:36:0c:2d:69:70:e7:ac:d0:ea:91:
        5b:27:59:c1:a1:1a:fe:3d:41:86:9d:4a:21:5c:08:4b:f3:f8:
        50:9b:23:ea