220 DS218 FTP server ready.
530 Login incorrect.
214- The following commands are recognized (* =>'s unimplemented).
   USER    LPRT    MODE    MSOM*   RNTO    SITE    RMD     SIZE    AUTH 
   PASS    EPRT    RETR    MSAM*   ABOR    SYST    XRMD    MDTM    PBSZ 
   ACCT*   PASV    STOR    MRSQ*   DELE    STAT    PWD     MLST    PROT 
   SMNT*   LPSV    APPE    MRCP*   CWD     HELP    XPWD    MLSD    CCC 
   REIN*   EPSV    MLFL*   ALLO    XCWD    NOOP    CDUP    MFMT 
   QUIT    TYPE    MAIL*   REST    LIST    MKD     XCUP    FEAT 
   PORT    STRU    MSND*   RNFR    NLST    XMKD    STOU    OPTS 
214 Direct comments to ftp-bugs@DS218.
211- Extensions supported:
 AUTH TLS
 PBSZ
 PROT
 CCC
 SIZE
 MDTM
 REST STREAM
 MFMT
 TVFS
 MLST modify*;type*;unique*;size*;UNIX.mode*;UNIX.owner*;UNIX.group*;
 MLSD modify*;type*;unique*;size*;UNIX.mode*;UNIX.owner*;UNIX.group*;
 UTF8
211 End.

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            04:6f:38:3c:c1:e0:65:84:f8:5d:09:bd:02:26:ce:34:4d:35
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R11
        Validity
            Not Before: Jan  5 10:07:16 2025 GMT
            Not After : Apr  5 10:07:15 2025 GMT
        Subject: CN=ds218jsams.synology.me
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:b6:da:b3:1b:c4:1c:cf:5f:52:4f:c0:08:86:c1:
                    ab:5a:e9:b1:9e:8b:2d:a1:a8:86:50:df:dd:db:a9:
                    b2:37:90:ef:f0:e7:82:82:81:bc:a4:0d:5d:d6:83:
                    c3:c9:34:bc:74:c6:dc:1e:05:03:91:0e:75:84:d1:
                    3d:e6:ce:2b:b1:77:4c:bd:78:fb:4d:db:88:cb:5c:
                    bb:e1:3b:af:a0:d1:a8:43:02:2c:e1:9f:17:47:30:
                    23:db:a6:0b:bc:99:ed:61:f0:f2:61:a5:57:fe:3c:
                    34:8a:49:a6:4e:a5:e3:b1:ae:2b:e9:27:63:34:e5:
                    76:40:dc:cf:1c:3a:b1:da:80:e8:17:b9:ed:56:13:
                    9a:55:a2:f0:32:65:a2:1a:90:6b:48:c2:c6:84:ed:
                    66:0c:18:8f:80:4e:52:05:5a:35:3e:9e:b2:35:1d:
                    67:1a:56:9f:e8:15:79:ce:5e:39:ff:55:a0:41:3e:
                    e9:f1:b8:ae:f0:3a:e1:f5:6e:35:d7:64:f1:e4:ad:
                    ca:33:50:70:bc:65:f8:a0:e9:61:e7:ce:96:ba:c9:
                    4d:6d:46:48:65:72:63:17:41:e1:4c:a7:a5:09:dd:
                    ea:9b:c3:c0:7b:60:63:1e:1f:d2:70:fa:00:cf:e2:
                    f6:9c:2c:5a:d4:44:9a:69:f9:98:14:f6:5f:b0:c4:
                    76:03
                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: 
                CE:C6:AE:6F:E5:93:14:8F:F1:13:CD:FF:1F:B4:F7:4C:9F:BA:7C:1D
            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:ds218jsams.synology.me
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 73:20:22:0F:08:16:8A:F9:F3:C4:A6:8B:0A:B2:6A:9A:
                                4A:00:EE:F5:77:85:8A:08:4D:05:00:D4:A5:42:44:59
                    Timestamp : Jan  5 11:05:46.740 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:85:89:08:1D:07:62:0B:B0:80:43:6E:
                                0D:6F:DC:5C:96:54:9E:96:CF:F4:31:67:38:F6:17:34:
                                1D:E4:5C:0E:4F:02:20:21:28:D7:B2:B9:FD:C5:89:98:
                                6A:D0:FE:70:8F:AB:E9:AD:31:2B:14:31:3D:66:6E:3F:
                                4F:BD:E0:1D:67:3B:4D
                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 : Jan  5 11:05:46.745 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:9D:D8:17:09:CB:56:A9:8B:6C:1F:24:
                                B8:B7:23:75:C0:43:8E:76:D0:65:D1:45:C8:D9:21:D5:
                                B8:09:33:66:90:02:21:00:91:5D:6E:E2:F4:4C:CB:19:
                                A3:CF:B1:32:87:13:48:7E:41:4D:1B:B5:67:58:62:67:
                                D2:D6:D8:E2:90:88:86:0F
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        19:6a:e6:e0:5c:7b:66:32:51:fe:2b:92:cc:fa:c6:72:9c:61:
        43:60:29:97:b2:4d:90:8b:d6:f2:2a:99:cd:68:18:ea:cc:81:
        4f:15:fd:58:ed:5f:9f:79:7d:8b:58:ea:45:54:4d:8a:66:1a:
        1b:46:70:90:c5:9d:a6:17:16:e2:a0:55:b0:e1:93:9d:85:14:
        a4:ed:78:d1:0d:a3:29:d7:35:d5:07:23:3c:c7:50:13:06:39:
        f3:12:88:03:f3:19:c5:e2:67:69:f1:07:f9:52:25:55:db:b1:
        ed:bf:a7:c3:d4:6b:5b:c2:e7:83:d2:df:dd:5a:60:bf:fd:5a:
        a9:5d:f5:68:53:08:63:79:06:b7:07:a7:69:57:7b:db:4e:45:
        e3:01:9b:5a:9f:a3:84:4b:02:33:75:9e:a7:3a:41:be:a8:3a:
        23:62:ad:d9:62:61:84:93:eb:8e:1b:7f:bf:ec:b1:ea:83:40:
        da:0f:43:5e:23:81:bb:37:0e:36:81:e4:f0:49:63:60:25:f7:
        91:fc:da:be:2c:30:0d:35:19:2b:f2:a7:87:d4:d0:b5:88:b5:
        86:56:84:fe:28:99:f6:e2:42:3d:e7:a6:85:ec:bd:eb:4a:d6:
        78:0d:38:54:a0:2a:22:66:cd:8b:e7:66:ac:e0:58:56:28:27:
        9a:f8:97:a1

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Wed, 05 Feb 2025 13:23:47 GMT
Content-Type: text/html
Content-Length: 1474
Connection: keep-alive
Keep-Alive: timeout=20
Vary: Accept-Encoding
Last-Modified: Thu, 01 Aug 2019 12:31:33 GMT
ETag: "5d42dba5-5c2"
Accept-Ranges: bytes