HTTP/1.1 503 Service Unavailable: Back-end server is at capacity
Content-Length: 0
Connection: keep-alive

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            09:c5:ac:23:df:91:2a:be:fa:8b:d9:fa:ba:8c:70:b1
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Amazon, CN=Amazon RSA 2048 M03
        Validity
            Not Before: Dec 26 00:00:00 2024 GMT
            Not After : Jan 24 23:59:59 2026 GMT
        Subject: CN=xiang.sip.dev.uw2.d.worktalk.me
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:e7:cc:38:b6:27:3a:3b:1d:62:7f:e0:fc:8a:dc:
                    5f:45:19:8e:3e:97:20:6c:3a:1c:fb:b1:ce:78:77:
                    09:80:e0:b8:1c:b9:7c:53:87:47:59:70:c7:54:36:
                    30:e1:5f:46:96:ee:3c:21:d9:5f:9d:4e:71:0d:51:
                    13:ba:de:ff:45:50:6e:e8:54:c7:9c:db:e6:6f:62:
                    ea:3c:60:a9:cc:f1:36:64:58:f4:d8:8e:b4:42:93:
                    52:a4:8b:42:12:70:eb:ff:83:67:b2:1f:f9:5f:6c:
                    f7:d4:ec:0c:e0:ab:56:76:e0:2c:1b:b4:59:48:7a:
                    56:e3:ab:02:e7:37:8f:31:b5:8c:55:8a:aa:65:fc:
                    aa:d1:fd:6c:b6:19:ff:f6:9f:9e:c6:38:8c:07:2b:
                    a6:fc:14:1e:b5:13:f1:f3:ac:80:b3:e1:cb:dc:d8:
                    80:0a:6a:06:1c:d1:5b:59:de:58:18:2c:6e:07:24:
                    69:3f:ca:1c:4d:f0:71:0d:40:3f:cd:95:b0:9b:9e:
                    69:f0:3f:67:84:ff:b8:b5:57:2b:fb:bc:f3:49:58:
                    6e:d2:a4:3d:68:44:98:44:c6:2f:d6:52:00:43:40:
                    c6:10:17:a7:a4:12:b5:bb:1d:bf:ae:c4:86:f4:0d:
                    5c:5d:2f:b2:64:bb:b7:1d:5c:80:9c:7a:cf:57:b7:
                    b6:e7
                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: 
                AC:41:37:D4:E3:F6:44:D0:52:B5:97:7D:E9:44:6B:77:E7:66:88:87
            X509v3 Subject Alternative Name: 
                DNS:xiang.sip.dev.uw2.d.worktalk.me
            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    : 96:97:64:BF:55:58:97:AD:F7:43:87:68:37:08:42:77:
                                E9:F0:3A:D5:F6:A4:F3:36:6E:46:A4:3F:0F:CA:A9:C6
                    Timestamp : Dec 26 01:42:52.274 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:ED:2C:F0:BC:0F:BC:A4:D8:06:64:EA:
                                D4:94:5B:8B:E6:98:CF:C5:E3:78:F4:AA:94:74:EB:09:
                                07:83:71:31:DD:02:21:00:E3:05:47:D5:BD:02:E9:24:
                                A9:7A:2D:33:90:F4:94:93:D9:A3:9F:57:FA:3F:16:9B:
                                C2:D1:5D:B8:FF:D9:26:05
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
                                4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
                    Timestamp : Dec 26 01:42:52.239 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:8A:D3:9D:05:FF:CB:F7:2E:B8:DA:C5:
                                1F:E9:A3:64:68:70:99:2A:C6:13:94:FC:3A:7A:D8:EA:
                                B8:A4:8D:A6:AA:02:21:00:9B:EE:86:43:A7:B2:26:1E:
                                16:8A:20:3B:F1:BE:0B:E6:52:F4:97:91:EE:28:9F:04:
                                4A:68:09:3D:BF:1F:BB:50
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
                                5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
                    Timestamp : Dec 26 01:42:52.252 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:77:47:65:80:7D:3B:84:FC:23:5E:2A:DE:
                                AE:25:14:16:FA:41:8B:4D:38:60:1B:0E:87:1B:AB:1E:
                                E4:93:55:52:02:21:00:D7:20:42:ED:06:EA:80:FF:30:
                                AA:93:F9:01:0D:2C:52:08:DC:CB:33:9A:D0:CB:B4:C8:
                                B3:CF:D0:20:3C:33:04
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        43:97:f2:b5:0c:11:37:00:8c:bf:bd:ab:b5:2d:6b:b0:ba:eb:
        c7:8d:d0:20:f0:57:75:46:24:bf:85:41:e5:b3:9e:62:68:ed:
        50:e1:e7:d4:68:01:de:54:d3:37:5a:10:c4:44:9e:a3:fc:ad:
        b3:7c:d0:47:a5:d1:96:7f:1d:ba:88:6c:b5:17:d6:70:f0:d7:
        84:60:7d:6f:e1:08:36:42:b5:7c:bc:72:43:96:e1:f0:83:c1:
        95:5f:9a:54:d3:ae:05:dc:21:1d:e6:e7:46:32:68:fa:43:9c:
        4f:97:88:56:b8:e8:d7:7b:d9:1a:fb:ca:69:92:45:67:77:f4:
        2e:dc:f2:cb:1e:0f:74:0a:25:1c:5f:66:cd:33:6d:86:62:ee:
        fd:c4:c2:5a:1c:30:ce:af:1e:66:e8:30:c6:4c:53:54:f4:60:
        06:89:83:d1:8c:2a:58:91:f6:92:ee:f3:70:b8:d0:1d:df:fb:
        b3:44:99:7c:28:33:b4:f7:5d:b7:06:67:c5:41:a4:39:c8:52:
        3e:9b:b7:19:32:39:09:9c:9d:d4:a9:4c:c5:dc:f6:84:3d:93:
        ed:ed:3a:1c:5a:5e:72:2d:36:4e:ca:69:29:db:f1:19:6f:c9:
        86:8f:05:88:ba:79:ca:3b:30:9e:2e:2f:a9:92:31:40:42:93:
        0d:f9:a6:8b