220 GATEWAY-4 Microsoft FTP Service (Version 5.0).
230 Anonymous user logged in.
214-The following  commands are recognized(* ==>'s unimplemented).
   ABOR 
   ACCT 
   ALLO 
   APPE 
   CDUP 
   CWD  
   DELE 
   HELP 
   LIST 
   MDTM 
   MKD  
   MODE 
   NLST 
   NOOP 
   PASS 
   PASV 
   ...

220 Welcome Alpine ftp server https://hub.docker.com/r/delfer/alpine-ftp-server/
530 Login incorrect.
530 Please login with USER and PASS.
211-Features:
 EPRT
 EPSV
 MDTM
 PASV
 REST STREAM
 SIZE
 TVFS
 UTF8
211 End

220 ::ffff:133.18.81.66 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     XP...

220 Microsoft FTP Service

220 FTP ready at Nov 12 11:28:47
530 Failed
530 Failed
530 Failed

220 Microsoft FTP Service

HTTP/1.1 400 Bad Request
Date: Thu, 12 Nov 2026 10:28:43 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 3027
Content-Language: en
Connection: close

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head>
<meta type="copyright" con...

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 ...

220 Microsoft FTP Service
530 User cannot log in.
214-The following commands are recognized (* ==>'s unimplemented).
    ABOR 
    ACCT 
    ADAT *
    ALLO 
    APPE 
    AUTH 
    CCC 
    CDUP 
    CWD 
    DELE 
    ENC *
    EPRT 
    EPSV 
    FEAT 
    HELP 
    HOST 
    LANG 
    LIST ...

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 1 of 50 allowed.
220-Local time is now 10:28. Server port: 21.
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.
421 Unable to set up secure anon...