220 (vsFTPd 3.0.5)
230 Login successful.
214-The following commands are recognized.
 ABOR ACCT ALLO APPE CDUP CWD  DELE EPRT EPSV FEAT HELP LIST MDTM MKD
 MODE NLST NOOP OPTS PASS PASV PORT PWD  QUIT REIN REST RETR RMD  RNFR
 RNTO SITE SIZE SMNT STAT STOR STOU STRU SYST TYPE USER XCUP XCWD XMKD
 XPWD XRMD
214 Help OK.
211-Features:
 EPRT
 EPSV
 MDTM
 PASV
 REST STREAM
 SIZE
 TVFS
211 End

nginx1.18.0

HTTP/1.1 200 OK
Server: nginx/1.18.0 (Ubuntu)
Date: Fri, 21 Jun 2024 10:51:21 GMT
Content-Type: text/html
Content-Length: 612
Last-Modified: Mon, 22 Apr 2024 08:40:42 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: "6626228a-264"
Accept-Ranges: bytes