220 a74131313 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@a74131313.
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.

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Tue, 07 May 2024 12:45:13 GMT
Content-Type: text/html
Content-Length: 650
Connection: close

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Tue, 07 May 2024 14:48:13 GMT
Content-Type: text/html
Content-Length: 650
Connection: close

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Wed, 08 May 2024 01:20:43 GMT
Content-Type: text/html
Content-Length: 650
Connection: close