534 : CCC not supported
Explanation
The server FTP.DATA file contains the statement SECURE_CTRLCONN with a value of SAFE or PRIVATE. A CCC command was received but the control connection cannot be set to the clear protection level.
System action
The CCC command is rejected. FTP continues.
User response
None.
System programmer response
If a protection level of clear is desired for the control connection, change the SECURE_CTRLCONN statement to have a value of CLEAR.