220 FTP Server ready .. 
530 Login incorrect.
214-The following commands are recognized (* =>'s unimplemented):
 CWD     XCWD    CDUP    XCUP    SMNT*   QUIT    PORT    PASV    
 EPRT    EPSV    ALLO*   RNFR    RNTO    DELE    MDTM    RMD     
 XRMD    MKD     XMKD    PWD     XPWD    SIZE    SYST    HELP    
 NOOP    FEAT    OPTS    AUTH*   CCC*    CONF*   ENC*    MIC*    
 PBSZ*   PROT*   TYPE    STRU    MODE    RETR    STOR    STOU    
 APPE    REST    ABOR    USER    PASS    ACCT*   REIN*   LIST    
214 Direct comments to root@localhost
211-Features:
 MDTM
 REST STREAM
 SIZE
211 End

OpenSSH6.6\r\n

SSH-2.0-OpenSSH_6.6\r\n

220 rwn-001.fmcity.com ESMTP
250-rwn-001.fmcity.com
250-PIPELINING
250-8BITMIME
250-SIZE 0
250 AUTH LOGIN PLAIN CRAM-MD5

+OK <22302.1716790451@rwn-001.fmcity.com>
-ERR authorization first

nginx

HTTP/1.1 406 Not Acceptable
Server: nginx
Date: Fri, 24 May 2024 16:24:11 GMT
Content-Type: text/html
Content-Length: 558
Connection: keep-alive

Certificate:
    Data:
        Version: 1 (0x0)
        Serial Number: 0 (0x0)
        Signature Algorithm: md5WithRSAEncryption
        Issuer: C=GB, ST=Berkshire, L=Newbury, O=My Company Ltd
        Validity
            Not Before: Apr 13 00:34:41 2017 GMT
            Not After : Mar 20 00:34:41 2117 GMT
        Subject: C=GB, ST=Berkshire, L=Newbury, O=My Company Ltd
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:ab:a3:ef:24:98:bf:42:7b:aa:5f:90:46:8d:e3:
                    32:52:4e:a3:f6:82:7f:30:bb:d1:db:94:49:f2:f9:
                    ea:29:6a:45:ab:d9:82:e0:c9:0b:d9:84:3a:2f:bc:
                    b8:f9:08:d9:5e:d7:db:35:b3:c9:d2:c8:1e:b9:67:
                    b5:63:d1:5c:26:e3:2d:ba:ef:93:0b:7d:a6:f6:16:
                    ff:cb:dd:19:6e:61:b3:51:9b:ba:b5:a4:a5:b8:b5:
                    bf:24:2f:f5:e5:74:3b:40:37:f9:92:9f:af:52:79:
                    1f:b7:61:8c:b3:d7:85:b7:d6:37:bf:88:bc:64:4d:
                    0f:4e:1c:16:04:bd:13:a2:44:c4:de:6f:91:59:bf:
                    26:7f:4a:68:ed:71:c7:86:2a:c4:a4:47:04:dd:fd:
                    73:24:1f:5f:7f:af:81:26:c3:06:7d:bb:cb:09:78:
                    05:8a:60:86:b7:13:fb:7d:8a:75:f4:18:b4:2b:bd:
                    32:3b:89:5d:52:f4:85:c1:f5:7a:8a:36:dc:5c:83:
                    c3:7c:09:51:84:eb:2c:47:f6:da:d4:9c:2d:ae:76:
                    60:de:36:a5:24:7c:44:98:11:48:70:13:de:1f:f8:
                    39:5d:ed:b9:2a:78:31:5f:18:7b:bb:fe:9e:a9:b7:
                    a7:f0:fb:5e:2d:5c:e9:8b:d0:ed:d1:ae:ec:bf:5d:
                    e4:b7
                Exponent: 65537 (0x10001)
    Signature Algorithm: md5WithRSAEncryption
    Signature Value:
        8f:f5:66:ed:a8:1c:41:a0:20:25:56:bd:99:14:47:13:e8:92:
        c1:e2:9d:03:bc:31:e2:d6:1d:00:6a:b7:eb:ab:3f:e3:ce:3d:
        53:ef:fd:4e:5e:7c:14:5d:87:39:47:33:ed:99:00:88:46:ae:
        27:d7:22:ee:94:5d:bf:27:fd:9c:ba:79:07:11:f0:66:60:9b:
        6e:89:0f:97:19:a6:ca:f6:1b:7d:8c:ed:43:6a:3d:91:cb:f6:
        6a:bc:ad:31:f9:0b:c4:27:ff:36:85:76:09:e7:65:40:95:20:
        90:9f:bf:85:5e:5d:6d:bd:a1:49:11:24:8d:1d:51:d3:11:49:
        e5:db:b1:1a:93:04:63:13:f0:9e:f2:6f:ef:d3:90:23:d5:60:
        bd:27:d2:9a:05:58:45:5f:e1:8b:45:08:fb:be:c9:f2:7d:9d:
        6a:87:19:63:34:d7:fe:1c:e9:c2:63:e6:80:6a:e7:e4:d6:86:
        00:7e:74:64:d0:e4:4e:cc:73:74:a6:97:b4:b3:e4:7e:48:d3:
        88:76:44:ac:a3:8b:62:da:06:c7:6a:de:46:13:62:c7:11:7a:
        3f:34:19:f0:e8:b6:6b:48:46:6b:12:a2:f9:46:f3:81:fb:3d:
        f2:44:29:9c:74:ed:22:34:48:4e:90:7a:1b:1f:2e:60:6f:e8:
        71:ef:1b:fb

220 rwn-001.fmcity.com ESMTP
250-rwn-001.fmcity.com
250-PIPELINING
250-8BITMIME
250-SIZE 0
250 AUTH LOGIN PLAIN CRAM-MD5