付爸爸的神奇日記本

READ All FTP commands which deal with file reading (directory listing not included): RETR, SITE, SIZE, STAT

WRITE All FTP commands which deal with file or directory write/creation/deletion: APPE, DELE, MKD, RMD, RNTO, STOR, XMKD, XRMD

DIRS All FTP commands which deal with directory listing: CDUP, CWD, LIST, MDTM, NLST, PWD, RNFR, XCUP, XCWD, XPWD

ALL ALL FTP commands (identical to READ WRITE DIRS).