HTTP/1.1 503 Service Unavailable
Content-Type: text/html; charset=UTF-8
Content-Length: 1517
Connection: close
P3P: CP="CAO PSA OUR"
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache

nginx1.18.0

HTTP/1.1 200 OK
Server: nginx/1.18.0 (Ubuntu)
Date: Sun, 10 Nov 2024 12:59:05 GMT
Content-Type: text/html
Content-Length: 10918
Last-Modified: Wed, 20 Jan 2021 10:04:26 GMT
Connection: keep-alive
ETag: "6008002a-2aa6"
Accept-Ranges: bytes

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:f2:0b:27:ff:5b:8e:fe:48:90:c4:7d:0f:13:8f:0b:0f:4f
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R11
        Validity
            Not Before: Oct  9 09:06:32 2024 GMT
            Not After : Jan  7 09:06:31 2025 GMT
        Subject: CN=redmine.know-center.tugraz.at
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:83:75:d8:ac:07:e1:a5:37:f2:75:74:b7:ec:29:
                    25:3d:23:b5:e9:d2:b3:0a:75:e3:d0:d3:67:00:8b:
                    ba:b0:d8:07:c8:4b:60:bb:88:34:1f:3d:08:f2:6c:
                    87:68:87:20:9e:0e:20:e0:2e:47:5f:7b:12:da:5e:
                    dd:d8:a6:1f:34:c1:9a:a9:fb:48:57:4f:71:66:c7:
                    2f:4e:e7:99:30:1c:e1:07:2b:17:b1:96:2e:e6:a3:
                    81:91:77:53:f6:48:8e:53:9d:f7:f0:d5:24:98:ce:
                    21:e6:ec:eb:5d:6b:14:6b:45:b2:b0:3d:bb:d4:ce:
                    7c:23:2c:59:c5:06:b5:72:89:44:91:53:e0:e8:cd:
                    8f:f6:bc:7b:92:c9:79:bf:df:2e:fd:36:ce:f6:bb:
                    ed:7c:ab:ec:27:f4:f1:6d:bc:18:4e:76:b0:f2:ee:
                    34:45:0b:d7:5e:93:aa:98:76:df:75:0b:d2:45:ed:
                    0b:67:6d:71:55:58:7a:c8:b6:f8:11:a7:fb:0c:10:
                    de:9c:d3:fa:84:40:56:dd:e9:75:9a:75:23:47:aa:
                    0f:52:6f:1b:5c:33:f2:dd:9d:1b:9e:75:c3:22:e2:
                    79:f9:9e:d0:21:b5:b6:6a:be:61:e2:09:71:43:90:
                    34:7c:46:77:70:63:9a:1b:c1:63:f5:5e:46:cb:31:
                    5f:f3
                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: 
                E6:22:B3:C4:45:1C:7B:84:DE:BE:45:AF:8E:44:01:94:10:17:0F:75
            X509v3 Authority Key Identifier: 
                C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
            Authority Information Access: 
                OCSP - URI:http://r11.o.lencr.org
                CA Issuers - URI:http://r11.i.lencr.org/
            X509v3 Subject Alternative Name: 
                DNS:kcs-redmine-external.know-center.tugraz.at, DNS:redmine.know-center.tugraz.at
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                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 : Oct  9 10:05:02.553 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:09:CB:51:9D:11:F6:19:FC:BA:CB:16:E9:
                                AD:DE:82:D9:A2:EF:3B:AF:0D:47:21:42:AC:C6:69:A5:
                                86:FD:AC:CB:02:21:00:C5:76:1A:98:8B:B5:32:D2:86:
                                0C:9D:8E:3A:B4:48:85:75:2D:EE:3D:9C:DD:E2:11:A9:
                                0D:69:D3:3D:74:F6:A7
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : E0:92:B3:FC:0C:1D:C8:E7:68:36:1F:DE:61:B9:96:4D:
                                0A:52:78:19:8A:72:D6:72:C4:B0:4D:A5:6D:6F:54:04
                    Timestamp : Oct  9 10:05:02.593 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:27:3D:7C:5C:32:89:43:A8:E0:2C:C4:2A:
                                47:6D:8E:7E:56:79:9C:F4:0B:97:1F:DE:40:55:D7:AC:
                                14:07:CD:56:02:20:23:79:2A:02:C4:D3:21:D4:79:B4:
                                DF:A1:49:CC:47:7A:28:1A:B7:6F:14:A1:D3:66:BC:2B:
                                11:D1:7B:03:7D:D2
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        40:e4:dc:de:af:67:16:9b:ef:c6:75:8c:b8:12:b6:10:cd:ea:
        29:77:11:43:dd:ab:5a:53:3e:1d:62:2c:82:cd:6a:77:eb:ee:
        ff:e5:93:a5:c4:7c:e8:dc:a2:9b:b5:0d:45:10:ab:fc:7a:63:
        d0:08:09:5a:2b:dc:cb:f1:cd:8b:78:50:f5:9d:7c:fe:bd:42:
        0c:6d:e2:c8:42:ac:07:9a:86:b3:18:34:2f:86:ab:ce:b0:b8:
        bd:56:45:79:b4:b0:35:6b:b3:01:89:fd:1b:8c:d4:41:4e:20:
        31:d9:d1:0c:da:03:d0:f5:01:e2:c3:20:65:8c:d4:20:b8:98:
        5e:4b:41:17:27:df:00:7e:58:ac:29:35:3c:3d:d1:44:6b:67:
        8f:4b:83:b0:e7:8f:dc:d0:3c:cb:35:83:7b:4c:98:b7:60:af:
        aa:11:3e:2e:35:2d:68:56:69:dd:8e:b7:52:53:a9:16:8f:85:
        29:ef:39:02:e6:8e:d7:2d:b1:15:2a:b1:8b:f4:4f:c1:21:90:
        89:01:df:14:3c:38:eb:58:4e:14:0d:16:58:c8:ce:c1:77:0a:
        cd:2c:a6:a6:4c:93:5b:99:82:a6:88:b4:48:99:7f:db:80:8b:
        65:2d:be:cb:e7:0f:d1:53:d6:e4:d9:58:d7:42:72:1b:a2:c9:
        3b:10:5b:b4