220 FTP server ready.
214- The following commands are recognized (* =>'s unimplemented).
   USER    PASV    MLFL*   ALLO    XCWD    NOOP    XPWD    EPRT 
   PASS    TYPE    MAIL*   REST    LIST    MKD     CDUP    FEAT 
   ACCT*   STRU    MSND*   RNFR    NLST    XMKD    XCUP    OPTS 
   SMNT*   MODE    MSOM*   RNTO    SITE    RMD     STOU    AUTH 
   REIN*   RETR    MSAM*   ABOR    SYST    XRMD    SIZE    PBSZ 
   QUIT    STOR    MRSQ*   DELE    STAT    RRMD    MDTM    PROT 
   PORT    APPE    MRCP*   CWD     HELP    PWD     EPSV 
214 Direct comments to support@avm.de.
211- Extensions supported:
 UTF8
 MDTM
 SIZE
 AUTH TLS
 PBSZ
 PROT
211 end

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            54:98:18:d9:85:3d:26:3c:15:35:4e:21:3a:4d:75:54:34:60:b5:ff
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=zemeerhezbvacsxw.myfritz.net
        Validity
            Not Before: Jan 24 20:55:35 2025 GMT
            Not After : Jan 15 20:55:35 2038 GMT
        Subject: CN=zemeerhezbvacsxw.myfritz.net
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:aa:e0:27:bc:1c:4c:e2:20:04:4c:74:1a:89:04:
                    a1:98:df:99:37:54:88:38:ec:77:90:a0:69:a0:c9:
                    7e:56:5f:24:4a:98:b6:01:26:8e:9f:53:ea:7f:ed:
                    d8:bd:b2:85:28:87:f5:a1:aa:67:dd:a7:ed:64:63:
                    c0:9b:39:56:7e:49:9c:87:71:52:ec:9d:6d:44:09:
                    4d:a4:20:6f:52:6f:4e:1a:98:5a:d4:9e:ab:77:8b:
                    30:cd:f5:d9:77:f8:94:42:43:46:fb:7b:7a:8a:6a:
                    58:59:8e:bd:fa:d3:ba:15:6e:f5:04:fa:81:7e:74:
                    ee:27:2e:d5:11:5f:9b:12:69:45:9a:a6:21:86:38:
                    cf:0b:e8:ee:31:ee:12:c0:e8:3c:75:8b:9c:8a:f2:
                    97:31:b8:0f:bd:e5:20:d8:f9:e5:84:71:78:05:6c:
                    b3:16:cc:bd:cb:b5:c9:b6:4f:e7:5f:2c:44:9e:a1:
                    78:11:6e:ab:34:f1:b0:b7:61:2f:c3:11:42:9c:14:
                    5b:13:a1:9a:6b:5a:2e:43:14:f9:00:2a:cf:85:0e:
                    a7:ab:6a:62:46:f5:13:26:9c:37:45:0e:7c:96:2a:
                    70:b3:40:fa:21:8f:3e:1e:39:a6:a8:2d:9a:94:97:
                    8e:e8:0c:b5:8e:7a:ef:f6:09:63:9f:81:85:d2:ee:
                    ac:6b
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                4F:0B:4D:08:A0:D0:88:88:97:8E:BD:0D:C5:CF:D6:97:A9:AC:AD:C1
            X509v3 Authority Key Identifier: 
                keyid:4F:0B:4D:08:A0:D0:88:88:97:8E:BD:0D:C5:CF:D6:97:A9:AC:AD:C1
                DirName:/CN=zemeerhezbvacsxw.myfritz.net
                serial:54:98:18:D9:85:3D:26:3C:15:35:4E:21:3A:4D:75:54:34:60:B5:FF
            X509v3 Basic Constraints: 
                CA:TRUE
            X509v3 Subject Alternative Name: 
                DNS:zemeerhezbvacsxw.myfritz.net, DNS:fritz.box, DNS:www.fritz.box, DNS:myfritz.box, DNS:www.myfritz.box, DNS:fritz.nas, DNS:www.fritz.nas
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        18:31:13:91:f3:96:11:33:65:3c:23:b3:ea:68:d2:c1:39:83:
        09:8c:7d:47:e2:f4:d5:35:0a:81:84:05:17:85:93:94:06:30:
        2b:91:cd:5c:bd:53:83:8e:5e:c3:ef:d6:fd:6d:ba:18:2e:45:
        b1:a4:07:41:23:8c:1f:08:1a:c0:4f:4a:6f:cf:b2:27:15:63:
        c5:8e:e3:61:ae:55:4a:17:a4:00:76:5c:8e:e1:c5:8e:95:c9:
        da:79:42:b6:37:f8:12:79:08:d1:f6:75:17:ee:76:5e:be:23:
        61:a2:55:42:96:69:48:5b:ee:b6:1e:8d:e2:e5:d2:b4:9d:ad:
        28:57:48:64:f4:35:8e:02:c0:05:14:b1:3e:81:23:4d:15:2f:
        2c:d1:6c:cc:38:e0:89:bf:07:3c:7c:de:64:94:50:5f:58:46:
        0d:2d:c5:ef:c0:aa:1a:ff:2f:0b:fd:f1:12:9c:a2:56:21:a1:
        68:5a:25:97:d8:b0:8d:55:f2:a0:e4:d9:7e:df:be:80:0f:3f:
        dd:db:f8:62:69:81:20:92:c0:b3:4f:2e:a3:65:67:3a:03:36:
        56:a8:73:59:25:17:76:bb:b2:1f:d0:4c:96:dc:6a:c1:19:73:
        05:0d:ea:de:36:6d:e6:ff:73:e0:98:c2:f4:4d:b2:db:c0:3b:
        6c:8e:f4:16

nginx

HTTP/1.1 502 Bad Gateway
Server: nginx
Date: Mon, 20 Jan 2025 06:18:53 GMT
Content-Type: text/html
Content-Length: 3566
Connection: keep-alive
Keep-Alive: timeout=20
ETag: "6245516d-dee"