220 Welcome to ASUS RT-AX86U FTP service.
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 ICNV
214 Help OK.
211-Features:
 EPRT
 EPSV
 MDTM
 PASV
 ICNV
 PBSZ
 PROT
 REST STREAM
 SIZE
 TVFS
 UTF8
211 End