Supported FTP Commands
ABOR
APPE
AUTHmod_tls)
CDUP
CWD
DELE
EPRTPORT command that can handle IPv6
    addresses.
EPSVPASV command that can
    handle IPv6 addresses.
FEAT
HELP
LIST
MDTM
MKD
NLST
NOOP
OPTSOPTS
    command, if that command supports such optional parameters.
PASS
PASV
PBSZmod_tls)
PORT
PROTmod_tls)
PWD
QUIT
REST
RETR
RMD
RNFR
RNTO
SITEproftpd's SITE commands.
SIZE
STAT
STOR
STOU
SYST
TYPE
USER
XCUPCDUP command,
    and has the same functionality.
XCWDCWD command,
    and has the same functionality.
XMKDMKD command,
    and has the same functionality.
XPWDPWD command,
    and has the same functionality.
XRMDRMD command,
    and has the same functionality.
Supported SITE commands
CHGRPExample:
    SITE CHGRP ftpgroup script.cgi
  
CHMODExample:
    SITE CHMOD 755 script.cgi
  
HELP
MKDIRMKD command, this
    SITE can be used to create a directory.  It will, unlike
    MKD, also create any directories in the path that do
    not exist.
    Example:
SITE MKDIR /path/to/some/dir/that/is/not/there/Supported by the
mod_site_misc module.
  
RMDIRRMD command, this
    SITE can be used to remove a directory.  It will, unlike
    RMD, also delete any files in the directory.
    Example:
SITE RMDIR /path/to/some/dir/with/files/Supported by the
mod_site_misc module.
  
SYMLINKExample:
SITE SYMLINK src destSupported by the
mod_site_misc module.
  
UTIMEExample:
SITE UTIME 200412312359 /path/to/some/file.txtSupported by the
mod_site_misc module.
  
Unsupported FTP Commands
ACCT
ALLO
MACB
MODEproftpd only
    supports one (i.e. Stream), and thus this command is not
    supported.
REIN
SMNT
STRUproftpd only supports a
    STRU parameter of type F (for "file"),
    and so does not support this command.