| Value |
Description |
| FTP_FEATURE_SIZE |
The server supports the SIZE command to determine the size
of a file. If this feature is not enabled, the library will
attempt to use the MLST or STAT command to determine the file
size. |
| FTP_FEATURE_STAT |
The server supports using the STAT command to return
information about a specific file. If this feature is not
enabled, the client may not be able to obtain information about
a specific file such as its size, permissions or modification
time. |
| FTP_FEATURE_MDTM |
The server supports the MDTM command to obtain information
about the modification time for a specific file. This command
may also be used to set the file time on the server. |
| FTP_FEATURE_REST |
The server supports restarting file transfers using the
REST command. If this feature is not enabled, the client will
not be able to restart file transfers and must upload or
download the complete file. |
| FTP_FEATURE_SITE |
The server supports site specific commands using the SITE
command. If this feature is not enabled, no site specific
commands will be sent to the server. |
| FTP_FEATURE_IDLE |
The server supports setting the idle timeout period using
the SITE IDLE command to specify the number of seconds that the
client may idle before the server terminates the
connection. |
| FTP_FEATURE_CHMOD |
The server supports modifying the permissions of a specific
file using the SITE CHMOD command. If this feature is not
enabled, the client will not be able to set the permissions for
a file. |
| FTP_FEATURE_AUTH |
The server supports explicit TLS sessions using the AUTH
command. If this feature is not enabled, the client will only
be able to connect to a secure server that uses implicit TLS
connections. Changing this feature has no effect on standard,
non-secure connections. |
| FTP_FEATURE_PBSZ |
The server supports the PBSZ command which specifies the
buffer size used with secure data connections. If this feature
is disabled, it may prevent the client from changing the
protection level on the data channel. Changing this feature has
no effect on standard, non-secure connections. |
| FTP_FEATURE_PROT |
The server supports the PROT command which specifies the
protection level for the data channel. If this feature is
disabled, the client will be unable to change the protection
level on the data channel. Changing this feature has no effect
on standard, non-secure connections. |
| FTP_FEATURE_CCC |
The server supports the CCC command which returns the
command channel to a non-secure mode. Changing this feature has
no effect on standard, non-secure connections. |
| FTP_FEATURE_HOST |
The server supports the HOST command which enables a client
to specify the hostname after establishing a connection with a
server that supports virtual hosting. |
| FTP_FEATURE_MLST |
The server supports the MLST command which returns status
information for files. If this feature is enabled, the MLST
command will be used instead of the STAT command. |
| FTP_FEATURE_MFMT |
The server supports the MFMT command which is used to
change the last modification time for a file. If this command
is supported, it is used instead of the MDTM command to change
the modification time for a file. |
| FTP_FEATURE_XCRC |
The server supports the XCRC command which returns the
CRC-32 checksum for the contents of a specified file. This
command is used for file verification. |
| FTP_FEATURE_XMD5 |
The server supports the XMD5 command which returns an MD5
hash for the contents of a specified file. This command is used
for file verification. |
| FTP_FEATURE_LANG |
The server supports the LANG command which sets the
language used for the current client session. Command responses
and file naming conventions will use the specified
language. |
| FTP_FEATURE_UTF8 |
The server supports the OPTS UTF-8 command which specifies
UTF-8 encoding when specifying filenames. This feature is
typically used in conjunction with setting the default language
for the client session. |
| FTP_FEATURE_XQUOTA |
The server supports the XQUOTA command which returns quota
information for the current client session. |
| FTP_FEATURE_UTIME |
The server supports the UTIME command which is used to
change the last modification time for a specified file. |